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Cheap flights from New York LaGuardia Airport to Washington, D.C. from €56

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. departing on 18/11. 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 return flights

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United Airlines Logo
06:00 - 07:27LGA-IAD
1h 27mdirect
United Airlines Logo
22:23 - 23:44IAD-LGA
1h 21mdirect
€102United Airlines
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Wed, 3 Dec - Wed, 10 Dec
American Airlines Logo
20:29 - 22:15LGA-DCA
1h 46mdirect
American Airlines Logo
06:59 - 08:16DCA-LGA
1h 17mdirect
€102American Airlines
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Tue, 16 Dec - Thu, 18 Dec
American Airlines Logo
07:45 - 09:08LGA-DCA
1h 23mdirect
American Airlines Logo
22:10 - 23:28DCA-LGA
1h 18mdirect
€103American Airlines
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Thu, 4 Dec - Sun, 7 Dec
Delta Logo
21:25 - 22:54LGA-DCA
1h 29mdirect
Delta Logo
08:50 - 10:14DCA-LGA
1h 24mdirect
€118Delta
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Thu, 4 Dec - Sun, 7 Dec
Delta Logo
21:25 - 22:54LGA-DCA
1h 29mdirect
Delta Logo
08:50 - 10:14DCA-LGA
1h 24mdirect
€119Delta
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Thu, 4 Dec - Sun, 7 Dec
Multiple Airlines Logo
19:59 - 15:05LGA-IAD
19h 06m1 stop
Multiple Airlines Logo
05:45 - 16:29IAD-LGA
10h 44m1 stop
€172Multiple Airlines
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Thu, 4 Dec - Sun, 7 Dec
Multiple Airlines Logo
16:30 - 15:05LGA-IAD
22h 35m1 stop
Multiple Airlines Logo
12:04 - 22:00IAD-LGA
9h 56m2 stops
€187Multiple Airlines
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Thu, 4 Dec - Sun, 7 Dec
Frontier Logo
06:20 - 18:18LGA-IAD
11h 58m1 stop
Frontier Logo
17:26 - 23:05IAD-LGA
5h 39m1 stop
€191Frontier
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Thu, 4 Dec - Sun, 7 Dec
JetBlue Logo
12:30 - 19:53LGA-DCA
7h 23m1 stop
JetBlue Logo
15:59 - 22:57DCA-LGA
6h 58m1 stop
€192JetBlue
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Tue, 10 Mar - Wed, 11 Mar
JetBlue Logo
15:59 - 22:39LGA-DCA
6h 40m1 stop
JetBlue Logo
11:00 - 20:34DCA-LGA
9h 34m1 stop
€245JetBlue
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Wed, 3 Dec - Fri, 5 Dec

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

Our best United Airlines deals on New York LaGuardia Airport to Washington, D.C. flight tickets
United Airlines
3 Dec
LGA06:00New York LaGuardia
1h 27m
IAD07:27Washington, D.C. Dulles Intl
10 Dec
IAD22:23Washington, D.C. Dulles Intl
1h 21m
LGA23:44New York LaGuardia
€102
Find similar
United Airlines
24 Jan
LGA10:34New York LaGuardia
1h 19m
IAD11:53Washington, D.C. Dulles Intl
27 Jan
IAD17:10Washington, D.C. Dulles Intl
1h 34m
LGA18:44New York LaGuardia
€106
Find similar
United Airlines
3 Jan
LGA06:00New York LaGuardia
1h 30m
IAD07:30Washington, D.C. Dulles Intl
7 Jan
IAD08:20Washington, D.C. Dulles Intl
1h 27m
LGA09:47New York LaGuardia
€107
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American Airlines flights from New York LaGuardia Airport to Washington, D.C.

Our best American Airlines deals on New York LaGuardia Airport to Washington, D.C. flight tickets
American Airlines
16 Dec
LGA20:29New York LaGuardia
1h 46m
DCA22:15Washington, D.C. Reagan-National
18 Dec
DCA06:59Washington, D.C. Reagan-National
1h 17m
LGA08:16New York LaGuardia
€102
Find similar
American Airlines
4 Dec
LGA07:45New York LaGuardia
1h 23m
DCA09:08Washington, D.C. Reagan-National
7 Dec
DCA22:10Washington, D.C. Reagan-National
1h 18m
LGA23:28New York LaGuardia
€103
Find similar
American Airlines
4 Dec
LGA12:00New York LaGuardia
1h 14m
DCA13:14Washington, D.C. Reagan-National
5 Dec
DCA19:45Washington, D.C. Reagan-National
1h 16m
LGA21:01New York LaGuardia
€154
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momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport to Washington, D.C. 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, momondo users made 13,528 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 3/12

06:00-07:27

Nonstop1h 27m

Washington, D.C. Dulles Intl

Wed 10/12

22:23-23:44

Nonstop1h 21m

€102

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 16/12

20:29-22:15

Nonstop1h 46m

Washington, D.C. Reagan-National

Thu 18/12

06:59-08:16

Nonstop1h 17m

€102

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 4/12

07:45-09:08

Nonstop1h 23m

Washington, D.C. Reagan-National

Sun 7/12

22:10-23:28

Nonstop1h 18m

€103

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 4/12

21:25-22:54

Nonstop1h 29m

Washington, D.C. Reagan-National

Sun 7/12

08:50-10:14

Nonstop1h 24m

€118

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 4/12

21:25-22:54

Nonstop1h 29m

Washington, D.C. Reagan-National

Sun 7/12

08:50-10:14

Nonstop1h 24m

€119

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 4/12

19:59-15:05

1 stop19h 06m

Washington, D.C. Dulles Intl

Sun 7/12

05:45-16:29

1 stop10h 44m

€172

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 4/12

16:30-15:05

1 stop22h 35m

Washington, D.C. Dulles Intl

Sun 7/12

12:04-22:00

2 stops9h 56m

€187

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 4/12

06:20-18:18

1 stop11h 58m

Washington, D.C. Dulles Intl

Sun 7/12

17:26-23:05

1 stop5h 39m

€191

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 10/3

12:30-19:53

1 stop7h 23m

Washington, D.C. Reagan-National

Wed 11/3

15:59-22:57

1 stop6h 58m

€192

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Wed 3/12

15:59-22:39

1 stop6h 40m

Washington, D.C. Reagan-National

Fri 5/12

11:00-20:34

1 stop9h 34m

€245

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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.?

The cheapest month to fly to Washington, D.C. from New York LaGuardia Airport is in April. Flight prices, which tend to average around €171, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Washington, D.C. from New York LaGuardia Airport during July instead. Flights to Washington, D.C. in July, while not as cheap as those in April, still average around €171.

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

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

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

There are 2 cabin classes available to choose from on New York LaGuardia to Washington, D.C. 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. flight prices changed over time?

As of November 2025, prices for New York LaGuardia Airport to Washington, D.C. flights are approximately 67% more expensive when compared to flights at the same time last year.

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

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

Cheap New York LaGuardia Airport to Washington, D.C. (LGA to WAS) 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.

Fastest flight time

1h 14m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The fastest flight from New York LaGuardia Airport to Washington, D.C. takes 1h 14m
Direct flights go from New York LaGuardia Airport to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

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

    The straight-line distance from New York LaGuardia to Washington, D.C. is 340.5 km. A reasonable flight in good conditions will take 1h 14m.

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

    Prices for flights from New York LaGuardia Airport to Washington, D.C. are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to Washington, D.C..

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

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

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

It is quick and easy to find New York to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. All flights to Washington, D.C. from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to Washington, D.C. from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport