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$94+ Cheap flights from District of Columbia to Las Vegas (LAS)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAS
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from District of Columbia to Las Vegas

Keep the following information in mind while searching for District of Columbia to Las Vegas flight deals. Data was last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(Frontier)

One-way from

$94
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$423

Good round-trip deal

$372 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flights.
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From District of Columbia to Las Vegas Harry Reid Intl
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One-way flight from District of Columbia to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from District of Columbia to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from District of Columbia to Las Vegas Harry Reid Intl.
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Find flight deals from District of Columbia to Las Vegas

Cheapest flights from District of Columbia to Las Vegas
Explore the most affordable flight options available from District of Columbia to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Frontier deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:00 pmDCA - LAS
1 stop8h 49mFrontier
Wed 4/236:00 amLAS - DCA
1 stop12h 59mFrontier
Deal found 3/2$169
This Cheapflightsfares deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:01 amIAD - LAS
Nonstop5h 15mFrontier
Sat 5/1011:00 pmLAS - IAD
Nonstop4h 31mFrontier
Deal found 3/3$186
This Expedia deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:00 pmIAD - LAS
1 stop8h 24mMultiple Airlines
Sat 5/311:00 pmLAS - IAD
Nonstop4h 31mMultiple Airlines
Deal found 3/2$212
This Expedia deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:00 pmDCA - LAS
1 stop8h 38mMultiple Airlines
Tue 5/1310:30 amLAS - DCA
1 stop8h 29mMultiple Airlines
Deal found 3/2$218
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:40 pmDCA - LAS
Nonstop5h 10mSouthwest
Sat 5/178:25 amLAS - DCA
Nonstop4h 30mSouthwest
Deal found 3/3$221
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:30 pmIAD - LAS
1 stop7h 25mSouthwest
Tue 5/138:30 amLAS - IAD
1 stop6h 25mSouthwest
Deal found 3/2$241
This Alaska Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/258:35 amDCA - LAS
1 stop10h 18mAlaska Airlines
Wed 5/2810:10 amLAS - DCA
1 stop8h 00mAlaska Airlines
Deal found 3/3$248
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/208:25 amDCA - LAS
Nonstop5h 28mAmerican Airlines
Wed 4/2312:34 pmLAS - DCA
Nonstop4h 26mAmerican Airlines
Deal found 3/3$253
This Hawaiian Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:00 amIAD - LAS
1 stop10h 59mHawaiian Airlines
Sat 5/106:00 amLAS - IAD
1 stop7h 00mHawaiian Airlines
Deal found 3/2$256
This Alaska Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:59 pmIAD - LAS
1 stop18h 13mAlaska Airlines
Tue 5/136:00 amLAS - IAD
1 stop7h 00mAlaska Airlines
Deal found 3/2$276
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/163:50 pmIAD - LAS
Nonstop5h 17mUnited Airlines
Tue 4/298:40 amLAS - IAD
Nonstop4h 33mUnited Airlines
Deal found 3/2$277
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amDCA - LAS
1 stop6h 49mDelta
Thu 5/299:35 amLAS - DCA
1 stop8h 01mDelta
Deal found 3/3$277

Find flights from District of Columbia to Las Vegas within your budget

Customize your flight search to find flights from District of Columbia to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.

Fly from

District of Columbia

Fly to

Las Vegas

Route

Depart

Return

Price

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 4/16

6:00 pm-11:49 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Wed 4/23

6:00 am-9:59 pm

1 stop12h 59m

$169

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 5/4

8:01 am-10:16 am

Nonstop5h 15m

Las Vegas Harry Reid Intl

Sat 5/10

11:00 pm-6:31 am

Nonstop4h 31m

$186

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 4/28

5:00 pm-10:24 pm

1 stop8h 24m

Las Vegas Harry Reid Intl

Sat 5/3

11:00 pm-6:31 am

Nonstop4h 31m

$212

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 5/7

1:00 pm-6:38 pm

1 stop8h 38m

Las Vegas Harry Reid Intl

Tue 5/13

10:30 am-9:59 pm

1 stop8h 29m

$218

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 5/10

4:40 pm-6:50 pm

Nonstop5h 10m

Las Vegas Harry Reid Intl

Sat 5/17

8:25 am-3:55 pm

Nonstop4h 30m

$221

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 5/7

5:30 pm-9:55 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

Tue 5/13

8:30 am-5:55 pm

1 stop6h 25m

$241

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 5/25

8:35 am-3:53 pm

1 stop10h 18m

Las Vegas Harry Reid Intl

Wed 5/28

10:10 am-9:10 pm

1 stop8h 00m

$248

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 4/20

8:25 am-10:53 am

Nonstop5h 28m

Las Vegas Harry Reid Intl

Wed 4/23

12:34 pm-8:00 pm

Nonstop4h 26m

$253

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 5/3

7:00 am-2:59 pm

1 stop10h 59m

Las Vegas Harry Reid Intl

Wed 5/7

6:38 am-5:22 pm

1 stop7h 44m

$256

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 4/16

3:50 pm-6:07 pm

Nonstop5h 17m

Las Vegas Harry Reid Intl

Tue 4/29

8:40 am-4:13 pm

Nonstop4h 33m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 35 results
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Best time to book a flight from District of Columbia to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from District of Columbia 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.

Travel insights for flights from District of Columbia to Las Vegas

Get recent, data-driven insights about flights from District of Columbia to Las Vegas including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from District of Columbia to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Las Vegas (average of $198). Flying from District of Columbia to Las Vegas in March is currently the most expensive (average of $269). 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 DC to LAS?

Find hourly flight availability from District of Columbia to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Las Vegas as you normally would.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated March 3, 2025.
To help decide which airline to fly from District of Columbia to Las Vegas, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Las Vegas. 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 into for flights to Las Vegas from District of Columbia?

    If you book a flight to Las Vegas from District of Columbia, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas.

  • What are the cheapest airlines to fly from District of Columbia to Las Vegas one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $94. United Airlines flights start at $115 while deals on Southwest start at $121 one-way.

  • What are the most reliable airlines from District of Columbia to Las Vegas?

    Before booking your flight to Las Vegas from District of Columbia, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (61%), Ethiopian Air (61%), Austrian Airlines( 61%).

  • What are the cheapest flights from District of Columbia to Las Vegas?

    On average you can expect to pay $945 for a flight from District of Columbia to Las Vegas. The cheapest flight overall is $138 while the most popular route, (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) is currently priced at $197.

  • Can I find deals for flights from District of Columbia to Las Vegas that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Las Vegas?

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

  • Can I find deals for business class flights from District of Columbia to Las Vegas?

    Yes. Cheapflights offers flight deals from District of Columbia to Las Vegas 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 District of Columbia to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Las Vegas (average of $198). Flying from District of Columbia to Las Vegas in March is currently the most expensive (average of $269). 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.

See more FAQs

Traveling to a place near District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mesquite
Needles
Mount Charleston
Pahrump
Boulder City

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from District of Columbia to Las Vegas

Discover the top 9 airlines that operate flights from District of Columbia to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$277FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$236FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$132Average$349FlexibilityNo cancel feeOn-time83%
DeltaCheapest$226Average$392FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$239Average$335FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$265Average$353FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$289Average$514FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$306Average$503FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$317Average$506FlexibilityNo cancel feeOn-time63%
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