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Cheap flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport from $46

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 3/22. 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

These are some of the best round-trip flight deals from New York LaGuardia Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
6:00 am - 7:26 amLGA-IAD
1h 26mnonstop
5:17 pm - 6:55 pmIAD-LGA
1h 38mnonstop
$92United Airlines
Find Deal
Sat, Mar 22 - Sat, Mar 29
7:29 pm - 8:59 pmLGA-IAD
1h 30mnonstop
5:17 pm - 6:55 pmIAD-LGA
1h 38mnonstop
$95United Airlines
Find Deal
Wed, Mar 12 - Sat, Mar 15
7:29 pm - 8:59 pmLGA-IAD
1h 30mnonstop
10:05 pm - 11:29 pmIAD-LGA
1h 24mnonstop
$98United Airlines
Find Deal
Mon, Mar 3 - Tue, Mar 4
6:00 am - 7:27 amLGA-IAD
1h 27mnonstop
8:22 am - 9:45 amIAD-LGA
1h 23mnonstop
$108United Airlines
Find Deal
Sun, Mar 2 - Thu, Mar 6
10:59 pm - 10:32 amLGA-IAD
11h 33m1 stop
10:09 am - 10:00 pmIAD-LGA
11h 51m1 stop
$140Frontier
Find Deal
Fri, Mar 7 - Tue, Mar 11
5:59 pm - 3:54 pmLGA-IAD
21h 55m1 stop
11:32 am - 10:00 pmIAD-LGA
10h 28m1 stop
$160Frontier
Find Deal
Thu, Mar 6 - Sat, Mar 8
10:59 pm - 10:32 amLGA-IAD
11h 33m1 stop
3:17 pm - 10:00 pmIAD-LGA
6h 43m1 stop
$170Frontier
Find Deal
Fri, Mar 7 - Sun, Mar 9
7:00 am - 1:18 pmLGA-IAD
6h 18m1 stop
9:12 am - 1:24 pmIAD-LGA
4h 12m1 stop
$257American Airlines
Find Deal
Sun, Mar 2 - Wed, Mar 5
7:00 am - 1:18 pmLGA-IAD
6h 18m1 stop
6:31 pm - 11:43 pmIAD-LGA
5h 12m1 stop
$317American Airlines
Find Deal
Sun, Mar 2 - Sun, Mar 2
7:20 pm - 11:58 pmLGA-IAD
4h 38m1 stop
5:00 am - 9:04 amIAD-LGA
4h 04m1 stop
$318American Airlines
Find Deal
Thu, Apr 3 - Sun, Apr 6

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
Mar 22
LGA6:00 amNew York LaGuardia
1h 26m
IAD7:26 amWashington, D.C. Dulles Intl
Mar 29
IAD5:17 pmWashington, D.C. Dulles Intl
1h 38m
LGA6:55 pmNew York LaGuardia
United Airlines
Mar 12
LGA7:29 pmNew York LaGuardia
1h 30m
IAD8:59 pmWashington, D.C. Dulles Intl
Mar 15
IAD5:17 pmWashington, D.C. Dulles Intl
1h 38m
LGA6:55 pmNew York LaGuardia
United Airlines
Mar 4
LGA6:00 amNew York LaGuardia
1h 26m
IAD7:26 amWashington, D.C. Dulles Intl
Mar 5
IAD12:45 pmWashington, D.C. Dulles Intl
1h 23m
LGA2:08 pmNew York LaGuardia

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

Our best American Airlines deals on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Mar 2
LGA7:00 amNew York LaGuardia
6h 18m
1 stop
IAD1:18 pmWashington, D.C. Dulles Intl
Mar 5
IAD9:12 amWashington, D.C. Dulles Intl
4h 12m
1 stop
LGA1:24 pmNew York LaGuardia
American Airlines
Feb 27
LGA11:30 amNew York LaGuardia
4h 31m
1 stop
IAD4:01 pmWashington, D.C. Dulles Intl
Feb 28
IAD6:30 amWashington, D.C. Dulles Intl
4h 14m
1 stop
LGA10:44 amNew York LaGuardia
American Airlines
Mar 2
LGA7:00 amNew York LaGuardia
6h 18m
1 stop
IAD1:18 pmWashington, D.C. Dulles Intl
Mar 2
IAD6:31 pmWashington, D.C. Dulles Intl
5h 12m
1 stop
LGA11:43 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, January 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 $271. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $282.

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 $492. 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 $624.

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 $487 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 $696 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 February 2025, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 14% 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

$46

Fastest flight time

1h 24m

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 $46. 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 $92.
The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 24m
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 24m 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 $187Free CancellationRating
7.4
8,765 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 $187 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $319 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
Laurel
National Harbor
Winchester
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Harpers Ferry
Glen Burnie
Rockville
Fairfax
Towson
Hanover

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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