What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?

Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $138. Additional round-trip tickets that might be worth considering are offered by Frontier and United Airlines, with the lowest prices starting at $180 and $221, respectively. Users have found that Spirit Airlines is 61% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $109 and $110 on United Airlines and Frontier, respectively.

What are the most popular routes from Las Vegas to Washington, D.C.?

While some choose either Las Vegas Harry Reid Intl - Baltimore/Washington or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl is the most popular route from Las Vegas to Washington, D.C..

What are the cheapest flights from Las Vegas to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $217 on average our data indicates $965 when flying from Las Vegas to Washington, D.C..

What are the most reliable airlines from Las Vegas to Washington, D.C.?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Washington, D.C. on time: United Airlines (87%), Brussels Airlines (85%), Austrian Airlines (82%).

What are the most popular airlines that fly from Las Vegas to Washington, D.C.?

American Airlines, Delta and Frontier are the most popular airlines when flying from Las Vegas to Washington, D.C..

What is the cheapest day to fly round-trip from Las Vegas to Washington, D.C.?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 56%.

How far in advance should I book a flight from Las Vegas to Washington, D.C.?

Travelers have found it’s best to book a flight 28 days in advance to save up to 103% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Las Vegas to Washington, D.C. 1-2 weeks in advance for as low as $314, or $476 for flights within the next 24 hours.

What is the cheapest month to fly from Las Vegas to Washington, D.C.?

Flights from Las Vegas to Washington, D.C. lean towards being more expensive in July. Prices are generally better when you fly from Las Vegas to Washington, D.C. in August, with the cheapest ticket starting at $159.

Most accurate provider : When it comes to deals on Las Vegas-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Las Vegas to Washington, D.C.?

Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Harry Reid Intl; the airport handles an average of 4 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Washington, D.C..

Can I find deals for business class flights from Las Vegas to Washington, D.C.?

Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$68+ Save on Flights from Las Vegas to Washington, D.C.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or October, booked 27 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Las Vegas to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$138 (Cheapflightsfares)
One-way from	$68 (Cheapflightsfares)
Popular in	July
Cheapest in	August
Average price	$365
Good round-trip deal	$176 or less
Good one-way deal	$145 or less

Provider with most accurate pricing for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Washington, D.C. (WAS) flights.

Search Deals

From Las Vegas Harry Reid Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Washington, D.C. (WAS).

Search Deals

Find flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Sun 4/1310:15 pmLAS - BWI

Nonstop4h 31mSpirit Airlines

Sat 4/199:39 pmBWI - LAS

Nonstop5h 19mSpirit Airlines

Deal found 3/23

$138

Thu 5/1511:00 pmLAS - IAD

Nonstop4h 31mFrontier

Sun 5/188:01 amIAD - LAS

Nonstop5h 15mFrontier

Deal found 3/24

$180

Thu 5/810:39 pmLAS - BWI

Nonstop4h 30mMultiple Airlines

Thu 5/158:21 pmBWI - LAS

2 stops29h 53mMultiple Airlines

Deal found 3/24

$213

Mon 5/510:45 pmLAS - IAD

Nonstop4h 25mUnited Airlines

Mon 5/123:55 pmIAD - LAS

Nonstop5h 17mUnited Airlines

Deal found 3/24

$221

Sat 5/2412:44 pmLAS - DCA

Nonstop4h 31mAmerican Airlines

Wed 5/287:55 amDCA - LAS

Nonstop5h 08mAmerican Airlines

Deal found 3/23

$229

Sat 5/37:08 amLAS - DCA

1 stop11h 51mAlaska Airlines

Sat 5/109:59 amDCA - LAS

1 stop10h 08mAlaska Airlines

Deal found 3/24

$236

Thu 4/2410:30 amLAS - DCA

1 stop8h 29mHawaiian Airlines

Mon 4/289:59 amDCA - LAS

1 stop10h 08mHawaiian Airlines

Deal found 3/23

$240

Wed 4/237:14 pmLAS - IAD

1 stop9h 29mHawaiian Airlines

Wed 4/305:00 pmIAD - LAS

1 stop8h 24mHawaiian Airlines

Deal found 3/24

$240

Sat 5/36:30 amLAS - IAD

1 stop7h 20mSouthwest

Sat 5/104:00 pmIAD - LAS

1 stop10h 10mSouthwest

Deal found 3/24

$246

Thu 5/1511:00 pmLAS - IAD

Nonstop4h 31mMultiple Airlines

Sun 5/1811:37 amIAD - LAS

1 stop14h 09mMultiple Airlines

Deal found 3/24

$251

Wed 4/238:31 pmLAS - DCA

1 stop8h 54mJetBlue

Wed 4/3012:45 pmDCA - LAS

1 stop10h 40mJetBlue

Deal found 3/24

$255

Thu 5/17:08 amLAS - IAD

1 stop7h 51mAlaska Airlines

Sat 5/105:00 pmIAD - LAS

1 stop8h 24mAlaska Airlines

Deal found 3/24

$256

Best flights from Las Vegas to Washington, D.C.
Discover carefully curated flight deals from Las Vegas to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Sun 4/1310:15 pmLAS - BWI

Nonstop4h 31mSpirit Airlines

Sat 4/199:39 pmBWI - LAS

Nonstop5h 19mSpirit Airlines

Deal found 3/23

$138

Thu 5/1511:00 pmLAS - IAD

Nonstop4h 31mFrontier

Sun 5/188:01 amIAD - LAS

Nonstop5h 15mFrontier

Deal found 3/24

$180

Thu 5/810:39 pmLAS - BWI

Nonstop4h 30mMultiple Airlines

Thu 5/158:21 pmBWI - LAS

2 stops29h 53mMultiple Airlines

Deal found 3/24

$213

Mon 5/510:45 pmLAS - IAD

Nonstop4h 25mUnited Airlines

Mon 5/123:55 pmIAD - LAS

Nonstop5h 17mUnited Airlines

Deal found 3/24

$221

Sat 5/37:08 amLAS - DCA

1 stop11h 51mAlaska Airlines

Sat 5/109:59 amDCA - LAS

1 stop10h 08mAlaska Airlines

Deal found 3/24

$236

Wed 4/237:14 pmLAS - IAD

1 stop9h 29mHawaiian Airlines

Wed 4/305:00 pmIAD - LAS

1 stop8h 24mHawaiian Airlines

Deal found 3/24

$240

Sat 5/36:30 amLAS - IAD

1 stop7h 20mSouthwest

Sat 5/104:00 pmIAD - LAS

1 stop10h 10mSouthwest

Deal found 3/24

$246

Wed 4/236:25 amLAS - DCA

1 stop11h 34mJetBlue

Wed 4/3012:45 pmDCA - LAS

1 stop10h 40mJetBlue

Deal found 3/24

$255

Wed 4/96:40 pmLAS - IAD

1 stop13h 17mSun Country Air

Mon 4/2111:37 amIAD - LAS

1 stop9h 11mSun Country Air

Deal found 3/24

$280

Wed 4/2312:34 pmLAS - DCA

Nonstop4h 26mAmerican Airlines

Wed 4/308:25 amDCA - LAS

Nonstop5h 28mAmerican Airlines

Deal found 3/24

$289

Tue 5/2712:54 amLAS - DCA

1 stop7h 09mDelta

Wed 6/49:40 amDCA - LAS

1 stop7h 10mDelta

Deal found 3/24

$293

Thu 5/1511:00 pmLAS - IAD

Nonstop4h 31mMultiple Airlines

Sun 5/1811:37 amIAD - LAS

1 stop14h 09mMultiple Airlines

Deal found 3/24

$251

Last-minute flights from Las Vegas to Washington, D.C.
Discover last-minute flight deals from Las Vegas to Washington, D.C.. Data last updated March 25, 2025 and is based on user searches.

Mon 3/3112:59 amLAS - IAD

2 stops9h 23mAmerican Airlines

Fri 4/45:13 pmIAD - LAS

1 stop7h 46mAmerican Airlines

Deal found 3/24

$494

Tue 4/111:06 pmLAS - IAD

1 stop12h 23mFrontier

Fri 4/45:55 pmIAD - LAS

1 stop31h 48mFrontier

Deal found 3/24

$390

Tue 4/17:00 amLAS - IAD

Nonstop4h 33mUnited Airlines

Fri 4/45:55 pmIAD - LAS

Nonstop5h 19mUnited Airlines

Deal found 3/24

$469

Wed 4/210:12 amLAS - BWI

1 stop6h 47mMultiple Airlines

Tue 4/86:30 amBWI - LAS

1 stop11h 05mMultiple Airlines

Deal found 3/24

$253

Wed 4/26:00 amLAS - DCA

1 stop7h 59mFrontier

Sat 4/56:00 pmDCA - LAS

1 stop8h 49mFrontier

Deal found 3/24

$298

Wed 4/212:46 amLAS - BWI

1 stop7h 19mFrontier

Sun 4/61:27 pmBWI - LAS

1 stop13h 17mFrontier

Deal found 3/24

$298

Wed 4/28:30 amLAS - DCA

Nonstop4h 20mSouthwest

Tue 4/84:25 pmDCA - LAS

1 stop6h 20mSouthwest

Deal found 3/22

$415

Wed 4/26:15 amLAS - IAD

1 stop8h 07mHawaiian Airlines

Tue 4/85:30 pmIAD - LAS

1 stop8h 21mHawaiian Airlines

Deal found 3/24

$428

Thu 4/311:00 pmLAS - IAD

1 stop12h 35mMultiple Airlines

Mon 4/76:35 amIAD - LAS

1 stop19h 21mMultiple Airlines

Deal found 3/24

$385

Thu 4/312:41 pmLAS - DCA

Nonstop4h 26mAmerican Airlines

Mon 4/78:25 amDCA - LAS

Nonstop5h 28mAmerican Airlines

Deal found 3/24

$409

Thu 4/37:25 amLAS - IAD

1 stop9h 16mDelta

Sun 4/67:46 pmIAD - LAS

1 stop7h 40mDelta

Deal found 3/24

$429

Fri 4/410:30 pmLAS - BWI

2 stops22h 28mSpirit Airlines

Mon 4/76:30 amBWI - LAS

Nonstop5h 27mSpirit Airlines

Deal found 3/23

$273

One-way flights from Las Vegas to Washington, D.C.
Search for one-way flight options from Las Vegas to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Sat 5/1010:39 pmLAS - BWI

Nonstop4h 30mSpirit Airlines

Deal found 3/25

$68

Sat 5/108:25 amLAS - IAD

Nonstop4h 33mUnited Airlines

Deal found 3/24

$109

Sat 5/311:00 pmLAS - IAD

Nonstop4h 31mFrontier

Deal found 3/24

$110

Sat 5/310:30 amLAS - DCA

1 stop8h 29mHawaiian Airlines

Deal found 3/24

$112

Sat 5/36:00 amLAS - IAD

1 stop7h 00mHawaiian Airlines

Deal found 3/24

$114

Sat 5/2412:44 pmLAS - DCA

Nonstop4h 31mAmerican Airlines

Deal found 3/24

$115

Sat 5/1010:30 amLAS - DCA

1 stop8h 29mAlaska Airlines

Deal found 3/24

$118

Tue 5/66:38 amLAS - IAD

1 stop7h 44mAlaska Airlines

Deal found 3/24

$118

Tue 5/1310:50 pmLAS - DCA

1 stop6h 40mSouthwest

Deal found 3/24

$121

Thu 5/111:15 amLAS - IAD

1 stop8h 25mSouthwest

Deal found 3/24

$121

Tue 4/2912:59 amLAS - DCA

1 stop8h 10mFrontier

Deal found 3/24

$125

Fri 5/308:55 amLAS - BWI

2 stops36h 23mMultiple Airlines

Deal found 3/24

$137

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Sun 4/13

10:15 pm-5:46 am

Nonstop4h 31m

Baltimore/Washington

Sat 4/19

9:39 pm-11:58 pm

Nonstop5h 19m

$138

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 5/15

11:00 pm-6:31 am

Nonstop4h 31m

Washington, D.C. Dulles Intl

Sun 5/18

8:01 am-10:16 am

Nonstop5h 15m

$180

Las VegasBaltimore

LAS - BWI

LASBWI

Las Vegas Harry Reid Intl

Thu 5/8

10:39 pm-6:09 am

Nonstop4h 30m

Baltimore/Washington

Thu 5/15

8:21 pm-11:14 pm

2 stops29h 53m

$213

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Mon 5/5

10:45 pm-6:10 am

Nonstop4h 25m

Washington, D.C. Dulles Intl

Mon 5/12

3:55 pm-6:12 pm

Nonstop5h 17m

$221

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 5/24

12:44 pm-8:15 pm

Nonstop4h 31m

Washington, D.C. Reagan-National

Wed 5/28

7:55 am-10:03 am

Nonstop5h 08m

$229

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 5/3

7:08 am-9:59 pm

1 stop11h 51m

Washington, D.C. Reagan-National

Sat 5/10

9:59 am-5:07 pm

1 stop10h 08m

$236

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 4/24

10:30 am-9:59 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Mon 4/28

9:59 am-5:07 pm

1 stop10h 08m

$240

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 4/23

7:14 pm-7:43 am

1 stop9h 29m

Washington, D.C. Dulles Intl

Wed 4/30

5:00 pm-10:24 pm

1 stop8h 24m

$240

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Sat 5/3

6:30 am-4:50 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

Sat 5/10

4:00 pm-11:10 pm

1 stop10h 10m

$246

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 5/15

11:00 pm-6:31 am

Nonstop4h 31m

Washington, D.C. Dulles Intl

Sun 5/18

11:37 am-10:46 pm

1 stop14h 09m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 51 results

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Compare providers for flights from Las Vegas to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Washington, D.C. in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Las Vegas-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Las Vegas to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Washington, D.C. trip

Airports

LAS

Las Vegas airport offers self-service TSA screening to streamline security checks. Follow video instructions for a smoother departure experience.

IAD

The Washington Metro Silver line now reaches IAD, offering a cost-effective and quick 40-minute ride to the city.

Our travel experts

Ramsey Qubein

Expert on IAD and LAS

Best time to book a flight from Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Washington, D.C.

How far ahead should I book a flight from Las Vegas to Washington, D.C.?

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $309). Flying from Las Vegas to Washington, D.C. in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to WAS?

It’s optimal to fly from Las Vegas to Washington, D.C. in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Las Vegas to Washington, D.C.?

Travelers seeking maximum savings on their Las Vegas to Washington, D.C. flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,782 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,330 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly from for flights from Las Vegas to Washington, D.C.?
Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Harry Reid Intl; the airport handles an average of 4 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Las Vegas airport to Washington, D.C.. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.
What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?
Flying on Spirit Airlines is currently your cheapest option to Washington, D.C., with prices starting at $138. Additional round-trip tickets that might be worth considering are offered by Frontier and United Airlines, with the lowest prices starting at $180 and $221, respectively. Users have found that Spirit Airlines is 61% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?
For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $109 and $110 on United Airlines and Frontier, respectively.
What are the most popular routes from Las Vegas to Washington, D.C.?
While some choose either Las Vegas Harry Reid Intl - Baltimore/Washington or Las Vegas Harry Reid Intl - Washington, D.C. Reagan-National, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl is the most popular route from Las Vegas to Washington, D.C..
What are the most reliable airlines from Las Vegas to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Las Vegas to Washington, D.C. on time: United Airlines (87%), Brussels Airlines (85%), Austrian Airlines (82%).
What are the cheapest flights from Las Vegas to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $99. While the most popular route (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl) can be booked for $217 on average our data indicates $965 when flying from Las Vegas to Washington, D.C..
Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Washington, D.C..
Can I find deals for business class flights from Las Vegas to Washington, D.C.?
Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of $309). Flying from Las Vegas to Washington, D.C. in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Las Vegas to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$95	Average$233	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$114	Average$176	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$278	Average$350	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$289	Average$455	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$294	Average$464	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$306	Average$483	FlexibilityNo cancel fee	On-time71%

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$68+ Cheap flights from Las Vegas (LAS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Washington, D.C. are usually found in August or October, booked 27 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Las Vegas to Washington, D.C.

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Find flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

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Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Compare providers for flights from Las Vegas to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Washington, D.C. in March.

The best insider tips for Las Vegas to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Washington, D.C. trip

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Best time to book a flight from Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Washington, D.C.

How far ahead should I book a flight from Las Vegas to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Washington, D.C.. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

What is the cheapest time of day to fly from LAS to WAS?

Find hourly flight availability from Las Vegas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

What is the cheapest day to fly from Las Vegas to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Washington, D.C.. Price data was last updated on March 23, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Las Vegas to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Las Vegas to Washington, D.C.?

What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?

What are the most popular routes from Las Vegas to Washington, D.C.?

What are the most reliable airlines from Las Vegas to Washington, D.C.?

What are the cheapest flights from Las Vegas to Washington, D.C.?

Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?

How can I find direct flights from Las Vegas to Washington, D.C.?

Can I find deals for business class flights from Las Vegas to Washington, D.C.?

What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

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Top 6 airlines flying from Las Vegas to Washington, D.C.

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Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.