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Cheap flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New York LaGuardia Airport to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from New York LaGuardia Airport to Washington, D.C..
United Airlines Logo
6:00 am - 7:26 amLGA-IAD
1h 26mnonstop
United Airlines Logo
10:10 pm - 11:30 pmIAD-LGA
1h 20mnonstop
$129United Airlines
Find Deal
Mon, May 19 - Tue, May 20
United Airlines Logo
10:28 am - 11:54 amLGA-IAD
1h 26mnonstop
United Airlines Logo
10:10 pm - 11:30 pmIAD-LGA
1h 20mnonstop
$138United Airlines
Find Deal
Sun, May 11 - Sat, May 17
United Airlines Logo
6:00 am - 7:26 amLGA-IAD
1h 26mnonstop
United Airlines Logo
10:10 pm - 11:30 pmIAD-LGA
1h 20mnonstop
$145United Airlines
Find Deal
Thu, May 15 - Thu, May 15
United Airlines Logo
10:28 am - 11:54 amLGA-IAD
1h 26mnonstop
United Airlines Logo
8:21 am - 9:47 amIAD-LGA
1h 26mnonstop
$147United Airlines
Find Deal
Thu, May 8 - Sun, May 11
Frontier Logo
6:30 am - 3:29 pmLGA-IAD
8h 59m1 stop
Frontier Logo
4:16 pm - 11:26 pmIAD-LGA
7h 10m1 stop
$152Frontier
Find Deal
Sat, Jun 7 - Sat, Jun 14
Frontier Logo
6:30 am - 3:29 pmLGA-IAD
8h 59m1 stop
Frontier Logo
4:16 pm - 11:26 pmIAD-LGA
7h 10m1 stop
$156Frontier
Find Deal
Sat, Jun 7 - Sat, Jun 21
American Airlines Logo
5:18 pm - 12:02 amLGA-IAD
6h 44m1 stop
American Airlines Logo
9:11 am - 1:09 pmIAD-LGA
3h 58m1 stop
$257American Airlines
Find Deal
Tue, May 13 - Wed, May 14
American Airlines Logo
6:21 am - 1:22 pmLGA-IAD
7h 01m1 stop
American Airlines Logo
5:02 am - 9:13 amIAD-LGA
4h 11m1 stop
$267American Airlines
Find Deal
Fri, May 9 - Sat, May 10
 Logo
11:55 am - 2:32 pmLGA-IAD
26h 37m2 stops
 Logo
11:52 am - 7:04 pmIAD-LGA
31h 12m2 stops
Fri, Jun 6 - Sun, Jun 8
 Logo
10:55 am - 2:32 pmLGA-IAD
27h 37m2 stops
 Logo
11:52 am - 7:04 pmIAD-LGA
31h 12m2 stops
Fri, Jun 6 - Sun, Jun 8

Frontier flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jun 7
LGA6:30 amNew York LaGuardia
8h 59m
1 stop
IAD3:29 pmWashington, D.C. Dulles Intl
Jun 14
IAD4:16 pmWashington, D.C. Dulles Intl
7h 10m
1 stop
LGA11:26 pmNew York LaGuardia
Frontier
Jun 7
LGA6:30 amNew York LaGuardia
8h 59m
1 stop
IAD3:29 pmWashington, D.C. Dulles Intl
Jun 21
IAD4:16 pmWashington, D.C. Dulles Intl
7h 10m
1 stop
LGA11:26 pmNew York LaGuardia
Frontier
Jun 25
LGA10:00 pmNew York LaGuardia
12h 09m
1 stop
IAD10:09 amWashington, D.C. Dulles Intl
Jun 28
IAD12:24 pmWashington, D.C. Dulles Intl
8h 35m
1 stop
LGA8:59 pmNew York LaGuardia

United Airlines flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
May 19
LGA6:00 amNew York LaGuardia
1h 26m
IAD7:26 amWashington, D.C. Dulles Intl
May 20
IAD10:10 pmWashington, D.C. Dulles Intl
1h 20m
LGA11:30 pmNew York LaGuardia
United Airlines
May 11
LGA10:28 amNew York LaGuardia
1h 26m
IAD11:54 amWashington, D.C. Dulles Intl
May 17
IAD10:10 pmWashington, D.C. Dulles Intl
1h 20m
LGA11:30 pmNew York LaGuardia
United Airlines
May 15
LGA6:00 amNew York LaGuardia
1h 26m
IAD7:26 amWashington, D.C. Dulles Intl
May 15
IAD10:10 pmWashington, D.C. Dulles Intl
1h 20m
LGA11:30 pmNew York LaGuardia

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, April is the cheapest month to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $207. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $242.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $475. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport for around $630.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $484 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $695 on average. Flights to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest New York LaGuardia to Washington, D.C. Dulles Intl flight route?

Fly from New York LaGuardia to Washington, D.C. Dulles Intl for the best New York LaGuardia - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on New York LaGuardia to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on New York LaGuardia to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of April 2025, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport (LGA to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$65

Fastest flight time

1h 25m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport in the past 72 hours is $65. The best round-trip flight deal from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $129.
The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 25m
Direct flights go from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport every day.

  • How far is New York LaGuardia to Washington, D.C. Dulles Intl by plane?

    A flight from New York LaGuardia to Washington, D.C. Dulles Intl will travel around 227.7 mi. Typically, this will take 1h 26m by plane in normal conditions.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?


Best airlines flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $152Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
  • United Airlines Flights From New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport start from $152 round-trip. Over the 24 United Airlines flights for this route in a normal week, average airfare is usually $310 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Winchester
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Harpers Ferry
Gaithersburg
Rockville
Glen Burnie
Towson
Linthicum Heights
Fairfax
Reston

Why use momondo?

Why should I use momondo to find a flight deal from New York to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to Washington, D.C. for you.

Can I find flights from New York to Washington, D.C. with flexible booking policies on momondo?

Flights from New York to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New York to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from New York.

I’m not ready to book a flight from New York to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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