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Cheap flights from New York LaGuardia Airport to Washington, D.C. from £33

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 15/4. 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

Enter your travel dates to find the best prices.
JetBlue Logo
13:50 - 20:35
LGA
-
DCA
6h 45m
1 stop
JetBlue Logo
07:00 - 15:01
DCA
-
LGA
8h 01m
1 stop
£79JetBlue
Sat, 14 Mar - Wed, 18 Mar
JetBlue Logo
15:55 - 22:34
LGA
-
DCA
6h 39m
1 stop
JetBlue Logo
16:50 - 23:14
DCA
-
LGA
6h 24m
1 stop
£79JetBlue
Wed, 22 Jul - Sun, 26 Jul
JetBlue Logo
12:30 - 22:31
LGA
-
DCA
10h 01m
1 stop
JetBlue Logo
10:05 - 20:33
DCA
-
LGA
10h 28m
1 stop
£83JetBlue
Tue, 10 Feb - Wed, 18 Feb
JetBlue Logo
15:54 - 22:31
LGA
-
DCA
6h 37m
1 stop
JetBlue Logo
15:55 - 23:36
DCA
-
LGA
7h 41m
1 stop
£85JetBlue
Sat, 7 Feb - Mon, 9 Feb
JetBlue Logo
15:54 - 22:31
LGA
-
DCA
6h 37m
1 stop
JetBlue Logo
15:59 - 22:57
DCA
-
LGA
6h 58m
1 stop
£87JetBlue
Mon, 9 Feb - Tue, 17 Feb
JetBlue Logo
15:55 - 22:32
LGA
-
DCA
6h 37m
1 stop
JetBlue Logo
11:00 - 20:11
DCA
-
LGA
9h 11m
1 stop
£87JetBlue
Wed, 13 May - Sun, 17 May
United Airlines Logo
06:00 - 07:29
LGA
-
IAD
1h 29mdirect
United Airlines Logo
08:20 - 09:44
IAD
-
LGA
1h 24mdirect
£92United Airlines
Wed, 18 Feb - Thu, 19 Feb
United Airlines Logo
06:00 - 07:29
LGA
-
IAD
1h 29mdirect
United Airlines Logo
12:40 - 14:18
IAD
-
LGA
1h 38mdirect
£93United Airlines
Sun, 22 Feb - Tue, 24 Feb
United Airlines Logo
14:59 - 16:28
LGA
-
IAD
1h 29mdirect
United Airlines Logo
22:22 - 23:44
IAD
-
LGA
1h 22mdirect
£94United Airlines
Tue, 24 Feb - Fri, 27 Feb
Frontier Logo
06:00 - 16:08
LGA
-
IAD
10h 08m
1 stop
Frontier Logo
11:41 - 23:06
IAD
-
LGA
11h 25m
1 stop
£109Frontier
Mon, 23 Feb - Mon, 2 Mar

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
9 Feb
LGA10:28New York LaGuardia
1h 27m
IAD11:55Washington, D.C. Dulles Intl
11 Feb
IAD12:40Washington, D.C. Dulles Intl
1h 34m
LGA14:14New York LaGuardia
£85
United Airlines
18 Feb
LGA06:00New York LaGuardia
1h 29m
IAD07:29Washington, D.C. Dulles Intl
19 Feb
IAD08:20Washington, D.C. Dulles Intl
1h 24m
LGA09:44New York LaGuardia
£92
United Airlines
22 Feb
LGA06:00New York LaGuardia
1h 29m
IAD07:29Washington, D.C. Dulles Intl
24 Feb
IAD12:40Washington, D.C. Dulles Intl
1h 38m
LGA14:18New York LaGuardia
£93

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

Our best Frontier deals on New York LaGuardia Airport to Washington, D.C. flight tickets
Frontier
23 Feb
LGA06:00New York LaGuardia
10h 08m
1 stop
IAD16:08Washington, D.C. Dulles Intl
2 Mar
IAD11:41Washington, D.C. Dulles Intl
11h 25m
1 stop
LGA23:06New York LaGuardia
£109
Frontier
23 Feb
LGA06:00New York LaGuardia
10h 08m
1 stop
IAD16:08Washington, D.C. Dulles Intl
2 Mar
IAD11:41Washington, D.C. Dulles Intl
9h 24m
2 stops
LGA21:05New York LaGuardia
£154
Frontier
17 Apr
LGA18:30New York LaGuardia
6h 06m
1 stop
IAD00:36Washington, D.C. Dulles Intl
19 Apr
IAD09:51Washington, D.C. Dulles Intl
7h 39m
1 stop
LGA17:30New York LaGuardia
£170

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 279,928 searches. Data last updated 28 January 2026.
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 - DCA

LGADCA

New York LaGuardia

Sat 14/3

13:50-20:35

1 stop6h 45m

Washington, D.C. Reagan-National

Wed 18/3

07:00-15:01

1 stop8h 01m

£79

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Wed 22/7

15:55-22:34

1 stop6h 39m

Washington, D.C. Reagan-National

Sun 26/7

16:50-23:14

1 stop6h 24m

£79

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 10/2

12:30-22:31

1 stop10h 01m

Washington, D.C. Reagan-National

Wed 18/2

10:05-20:33

1 stop10h 28m

£83

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sat 7/2

15:54-22:31

1 stop6h 37m

Washington, D.C. Reagan-National

Mon 9/2

15:55-23:36

1 stop7h 41m

£85

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Mon 9/2

15:54-22:31

1 stop6h 37m

Washington, D.C. Reagan-National

Tue 17/2

15:59-22:57

1 stop6h 58m

£87

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Wed 13/5

15:55-22:32

1 stop6h 37m

Washington, D.C. Reagan-National

Sun 17/5

11:00-20:11

1 stop9h 11m

£87

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 18/2

06:00-07:29

Nonstop1h 29m

Washington, D.C. Dulles Intl

Thu 19/2

08:20-09:44

Nonstop1h 24m

£92

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sun 22/2

06:00-07:29

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 24/2

12:40-14:18

Nonstop1h 38m

£93

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 24/2

14:59-16:28

Nonstop1h 29m

Washington, D.C. Dulles Intl

Fri 27/2

22:22-23:44

Nonstop1h 22m

£94

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 23/2

06:00-16:08

1 stop10h 08m

Washington, D.C. Dulles Intl

Mon 2/3

11:41-23:06

1 stop11h 25m

£109

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 February. Flight prices, which tend to average around £130, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until April to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of £143.

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

On average, the least expensive day to fly to Washington, D.C. from New York LaGuardia Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £144. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £225.

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

In the morning is the cheapest time of day to fly from New York LaGuardia Airport to Washington, D.C. when you can find flight prices for as low as £158. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £382. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 3 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.

Can stopping save me money on New York LaGuardia Airport to Washington, D.C. flights?

You could potentially save up to 48% on your flight if you consider stops on a New York LaGuardia Airport to Washington, D.C. flight.

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

As of January 2026, prices for New York LaGuardia Airport to Washington, D.C. flights are approximately 3% 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 23m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Washington, D.C.

2 airports
The fastest flight from New York LaGuardia Airport to Washington, D.C. takes 1h 23m
Direct flights go from New York LaGuardia Airport to Washington, D.C. on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 2 airports in Washington, D.C.. From New York LaGuardia Airport there are direct flights to 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?

    New York LaGuardia and Washington, D.C. are 211.6 mi apart from one another. By plane, this route typically takes 1h 23m.

  • 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. refresh daily.

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

    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..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Laurel
College Park
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Rockville
Silver Spring
Owings Mills
National Harbor

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?

All flight searches from New York to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to Washington, D.C..

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from New York and alert you when they change.

An easier way to manage your Washington, D.C. trip

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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 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport