What are the most reliable airlines from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

No one likes to see their flight delayed. When booking a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport consider choosing ANA (92%), Avianca (89%) or Republic Airways (86%) as they are the most reliable in getting you off to your destination on time.

What is the cheapest day to fly round-trip from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 24% when planning your travel around this day of the week.

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

Most trusted provider : When it comes to deals on New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport 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 New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from LaGuardia to Dulles Intl that include hotel bookings?

Yes. In addition to deals on LaGuardia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from LaGuardia to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to Dulles Intl.

Can I find deals for business class flights from LaGuardia to Dulles Intl?

Yes. Cheapflights offers flight deals from LaGuardia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$49+ Flights from New York LaGuardia Airport, NY to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from LaGuardia to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$77 (United Airlines)
One-way from	$49 (United Airlines)
Popular in	November
Cheapest in	January
Average price	$285
Good round-trip deal	$290 or less
Good one-way deal	$142 or less

Provider with most accurate pricing for New York LaGuardia-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for New York LaGuardia-Washington, D.C. Dulles Intl flights.

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From New York LaGuardia to Washington, D.C. Dulles Intl

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One-way flight from New York LaGuardia to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from New York LaGuardia to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from New York LaGuardia to Washington, D.C. Dulles Intl.

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Find flight deals from LaGuardia to Dulles Intl

Cheapest flights from LaGuardia to Dulles Intl
Explore the most affordable flight options available from LaGuardia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Thu 5/16:00 amLGA - IAD

Nonstop1h 26mUnited Airlines

Thu 5/88:21 amIAD - LGA

Nonstop1h 26mUnited Airlines

Deal found 4/3

$77

Thu 5/86:30 amLGA - IAD

1 stop7h 53mFrontier

Sat 5/105:34 pmIAD - LGA

1 stop5h 29mFrontier

Deal found 4/4

$159

Fri 4/256:50 pmLGA - IAD

1 stop5h 06mAmerican Airlines

Sun 4/275:00 amIAD - LGA

1 stop4h 04mAmerican Airlines

Deal found 4/3

$253

Wed 5/216:30 amLGA - IAD

2 stops28h 34mMultiple Airlines

Sat 5/249:50 pmIAD - LGA

2 stops14h 10mMultiple Airlines

Deal found 4/3

$274

Best flights from LaGuardia to Dulles Intl
Discover carefully curated flight deals from LaGuardia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Thu 5/16:00 amLGA - IAD

Nonstop1h 26mUnited Airlines

Thu 5/88:21 amIAD - LGA

Nonstop1h 26mUnited Airlines

Deal found 4/3

$77

Thu 5/86:30 amLGA - IAD

1 stop7h 53mFrontier

Sat 5/105:34 pmIAD - LGA

1 stop5h 29mFrontier

Deal found 4/4

$159

Fri 4/256:50 pmLGA - IAD

1 stop5h 06mAmerican Airlines

Sun 4/275:00 amIAD - LGA

1 stop4h 04mAmerican Airlines

Deal found 4/3

$253

Wed 5/216:30 amLGA - IAD

2 stops28h 34mMultiple Airlines

Sat 5/249:50 pmIAD - LGA

2 stops14h 10mMultiple Airlines

Deal found 4/3

$274

Last-minute flights from LaGuardia to Dulles Intl
Discover last-minute flight deals from LaGuardia to Dulles Intl. Data last updated April 4, 2025 and is based on user searches.

Wed 4/910:00 pmLGA - IAD

1 stop10h 36mFrontier

Wed 4/163:19 pmIAD - LGA

1 stop5h 40mFrontier

Deal found 4/4

$221

Thu 4/109:55 amLGA - IAD

3 stops25h 25mMultiple Airlines

Sun 4/1312:55 pmIAD - LGA

3 stops34h 38mMultiple Airlines

Deal found 4/3

$524

Mon 4/146:00 amLGA - IAD

Nonstop1h 27mUnited Airlines

Thu 4/178:22 amIAD - LGA

Nonstop1h 26mUnited Airlines

Deal found 4/3

$229

Mon 4/145:17 pmLGA - IAD

1 stop6h 39mAmerican Airlines

Tue 4/159:10 amIAD - LGA

1 stop7h 10mAmerican Airlines

Deal found 4/4

$424

Fri 4/256:50 pmLGA - IAD

1 stop5h 06mAmerican Airlines

Sun 4/275:00 amIAD - LGA

1 stop4h 04mAmerican Airlines

Deal found 4/3

$253

Thu 5/16:00 amLGA - IAD

Nonstop1h 26mUnited Airlines

Thu 5/88:21 amIAD - LGA

Nonstop1h 26mUnited Airlines

Deal found 4/3

$77

Thu 5/86:30 amLGA - IAD

1 stop7h 53mFrontier

Sat 5/105:34 pmIAD - LGA

1 stop5h 29mFrontier

Deal found 4/4

$159

Wed 5/216:30 amLGA - IAD

2 stops28h 34mMultiple Airlines

Sat 5/249:50 pmIAD - LGA

2 stops14h 10mMultiple Airlines

Deal found 4/3

$274

One-way flights from LaGuardia to Dulles Intl
Search for one-way flight options from LaGuardia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Thu 5/16:00 amLGA - IAD

Nonstop1h 26mUnited Airlines

Deal found 4/3

$49

Thu 5/16:30 amLGA - IAD

1 stop7h 53mFrontier

Deal found 4/3

$80

Tue 5/2010:55 amLGA - IAD

3 stops24h 25mMultiple Airlines

Deal found 4/3

$122

Tue 5/207:10 pmLGA - IAD

1 stop4h 52mAmerican Airlines

Deal found 4/4

$129

Mon 4/218:38 amLGA - IAD

2 stops7h 37mSouthern / Mokulele

Deal found 4/4

$245

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 5/1

6:00 am-7:26 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Thu 5/8

8:21 am-9:47 am

Nonstop1h 26m

$77

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 5/8

6:30 am-2:23 pm

1 stop7h 53m

Washington, D.C. Dulles Intl

Sat 5/10

5:34 pm-11:03 pm

1 stop5h 29m

$159

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 4/25

6:50 pm-11:56 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 4/27

5:00 am-9:04 am

1 stop4h 04m

$253

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 5/21

6:30 am-11:04 am

2 stops28h 34m

Washington, D.C. Dulles Intl

Sat 5/24

9:50 pm-12:00 pm

2 stops14h 10m

$274

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 5/1

6:00 am-7:26 am

Nonstop1h 26m

$49

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 5/1

6:30 am-2:23 pm

1 stop7h 53m

$80

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 5/20

10:55 am-11:20 am

3 stops24h 25m

$122

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 5/20

6:21 am-1:22 pm

1 stop7h 01m

$129

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 4/21

8:38 am-4:15 pm

2 stops7h 37m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Compare providers for flights from LaGuardia to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Dulles Intl in April.

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

*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 New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport 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 New York LaGuardia Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport trip

Airports

LGA

LGA offers free Wi-Fi throughout the airport, ensuring a strong signal from check-in to boarding, perfect for accessing digital boarding passes.

IAD

The Washington Metro Silver line now reaches IAD in under 40 minutes, offering a cheap and convenient city connection.

Our travel experts

Brandon Schultz

Expert on LGA

Ramsey Qubein

Expert on IAD

Best time to book a flight from LaGuardia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from LaGuardia 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 New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 LGA to IAD?

It’s typically best to fly out from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

The most flights from LGA to IAD are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get a feel of what it's like to fly with United Airlines, American Airlines and Frontier from New York to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,618 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

United Airlines

7.4

Good

8,618 reviews

United Airlines

7.4

Good

8,618 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,618 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Frontier

6.0

Okay

3,276 reviews

United Airlines

7.4

Good

8,618 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Related info for your journey

What are the cheapest airlines flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport round-trip?
United Airlines, at $77, was found to be the cheapest airline from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Frontier and American Airlines. United Airlines is currently priced 75% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport one-way?
$49 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $80 and $129, respectively.
What are the most reliable airlines from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?
No one likes to see their flight delayed. When booking a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport consider choosing ANA (92%), Avianca (89%) or Republic Airways (86%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport is $74. On average you can expect to pay $1,059. The most popular route, (New York LaGuardia - Washington, D.C. Dulles Intl), can usually be booked for $77.
Can I find deals for flights from LaGuardia to Dulles Intl that include hotel bookings?
Yes. In addition to deals on LaGuardia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from LaGuardia to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from LaGuardia to Dulles Intl.
Can I find deals for business class flights from LaGuardia to Dulles Intl?
Yes. Cheapflights offers flight deals from LaGuardia to Dulles Intl 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 New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Sterling

Bowie

Gettysburg

National Harbor

Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from LaGuardia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$185	Average$314	FlexibilityNo cancel fee	On-time69%

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$49+ Cheap flights from LaGuardia, NY (LGA) to Dulles Intl (IAD)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from LaGuardia to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from LaGuardia to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from LaGuardia to Dulles Intl

Cheapest flights from LaGuardia to Dulles IntlExplore the most affordable flight options available from LaGuardia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Explore the most affordable flight options available from LaGuardia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from LaGuardia to Dulles Intl

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 LaGuardia to Dulles Intl in April.

The best insider tips for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport trip

Airports

LGA

IAD

Our travel experts

Best time to book a flight from LaGuardia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from LaGuardia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from LGA to IAD?

Find hourly flight availability from LaGuardia to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.

What is the cheapest day to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to Dulles Intl. Price data was last updated on March 30, 2025.

Weekly flight availability from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from LaGuardia to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 4, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with United Airlines, American Airlines and Frontier from New York to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from LaGuardia to Dulles Intl that include hotel bookings?

How can I find direct flights from LaGuardia to Dulles Intl?

Can I find deals for business class flights from LaGuardia to Dulles Intl?

What is the cheapest month to book a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

Traveling to a place near New York LaGuardia Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for LaGuardia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from LaGuardia to Dulles Intl

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Cheapest flights from LaGuardia to Dulles Intl
Explore the most affordable flight options available from LaGuardia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.