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Cheap flights from New York LaGuardia Airport to Washington, D.C. from £49

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 20/8. 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

United Airlines Logo
10:25 - 11:54LGA-IAD
1h 29mdirect
United Airlines Logo
12:40 - 14:13IAD-LGA
1h 33mdirect
£97United Airlines
Find Deal
Thu, 4 Sep - Sat, 6 Sep
Delta Logo
21:20 - 22:56LGA-DCA
1h 36mdirect
Delta Logo
08:45 - 10:11DCA-LGA
1h 26mdirect
£97Delta
Find Deal
Thu, 21 Aug - Mon, 25 Aug
American Airlines Logo
07:55 - 09:18LGA-DCA
1h 23mdirect
American Airlines Logo
22:20 - 23:44DCA-LGA
1h 24mdirect
£98American Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
United Airlines Logo
19:29 - 20:59LGA-IAD
1h 30mdirect
United Airlines Logo
22:08 - 23:30IAD-LGA
1h 22mdirect
£101United Airlines
Find Deal
Fri, 5 Sep - Sun, 14 Sep
United Airlines Logo
06:00 - 07:30LGA-IAD
1h 30mdirect
United Airlines Logo
12:40 - 14:13IAD-LGA
1h 33mdirect
£101United Airlines
Find Deal
Thu, 18 Sep - Sat, 20 Sep
American Airlines Logo
09:09 - 10:43LGA-DCA
1h 34mdirect
American Airlines Logo
05:00 - 09:04DCA-LGA
4h 04m1 stop
£146American Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Southwest Logo
13:50 - 20:25LGA-DCA
6h 35m1 stop
Southwest Logo
15:15 - 22:15DCA-LGA
7h 00m1 stop
£149Southwest
Find Deal
Sat, 6 Sep - Wed, 10 Sep
Southwest Logo
06:00 - 14:25LGA-DCA
8h 25m1 stop
Southwest Logo
15:35 - 23:00DCA-LGA
7h 25m1 stop
£153Southwest
Find Deal
Tue, 19 Aug - Tue, 19 Aug
JetBlue Logo
07:00 - 16:12LGA-DCA
9h 12m1 stop
JetBlue Logo
07:00 - 14:06DCA-LGA
7h 06m1 stop
£187JetBlue
Find Deal
Thu, 28 Aug - Thu, 4 Sep
JetBlue Logo
13:30 - 20:54LGA-DCA
7h 24m1 stop
JetBlue Logo
07:37 - 15:00DCA-LGA
7h 23m1 stop
£188JetBlue
Find Deal
Tue, 9 Sep - Thu, 11 Sep

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
4 Sept
LGA10:25New York LaGuardia
1h 29m
IAD11:54Washington, D.C. Dulles Intl
6 Sept
IAD12:40Washington, D.C. Dulles Intl
1h 33m
LGA14:13New York LaGuardia
£97
Find similar
United Airlines
5 Sept
LGA19:29New York LaGuardia
1h 30m
IAD20:59Washington, D.C. Dulles Intl
14 Sept
IAD22:08Washington, D.C. Dulles Intl
1h 22m
LGA23:30New York LaGuardia
£100
Find similar
United Airlines
18 Sept
LGA06:00New York LaGuardia
1h 30m
IAD07:30Washington, D.C. Dulles Intl
20 Sept
IAD12:40Washington, D.C. Dulles Intl
1h 33m
LGA14:13New York LaGuardia
£101
Find similar

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
14 Sept
LGA07:55New York LaGuardia
1h 23m
DCA09:18Washington, D.C. Reagan-National
21 Sept
DCA22:20Washington, D.C. Reagan-National
1h 24m
LGA23:44New York LaGuardia
£98
Find similar
American Airlines
14 Sept
LGA09:09New York LaGuardia
1h 34m
DCA10:43Washington, D.C. Reagan-National
21 Sept
DCA05:00Washington, D.C. Reagan-National
4h 04m
1 stop
LGA09:04New York LaGuardia
£146
Find similar
American Airlines
18 Aug
LGA09:21New York LaGuardia
1h 29m
DCA10:50Washington, D.C. Reagan-National
21 Aug
DCA07:30Washington, D.C. Reagan-National
1h 11m
LGA08:41New York LaGuardia
£150
Find similar

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 1 August 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

Thu 4/9

10:25-11:54

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 6/9

12:40-14:13

Nonstop1h 33m

£97

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 21/8

21:20-22:56

Nonstop1h 36m

Washington, D.C. Reagan-National

Mon 25/8

08:45-10:11

Nonstop1h 26m

£97

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sun 14/9

07:55-09:18

Nonstop1h 23m

Washington, D.C. Reagan-National

Sun 21/9

22:20-23:44

Nonstop1h 24m

£98

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 5/9

19:29-20:59

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 14/9

22:08-23:30

Nonstop1h 22m

£100

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 18/9

06:00-07:30

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sat 20/9

12:40-14:13

Nonstop1h 33m

£101

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sun 14/9

09:09-10:43

Nonstop1h 34m

Washington, D.C. Reagan-National

Sun 21/9

05:00-09:04

1 stop4h 04m

£146

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sat 6/9

13:50-20:25

1 stop6h 35m

Washington, D.C. Reagan-National

Wed 10/9

15:15-22:15

1 stop7h 00m

£149

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 19/8

06:00-14:25

1 stop8h 25m

Washington, D.C. Reagan-National

Tue 19/8

15:35-23:00

1 stop7h 25m

£153

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 28/8

07:00-16:12

1 stop9h 12m

Washington, D.C. Reagan-National

Thu 4/9

07:00-14:06

1 stop7h 06m

£187

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 9/9

13:30-20:54

1 stop7h 24m

Washington, D.C. Reagan-National

Thu 11/9

07:37-15:00

1 stop7h 23m

£188

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 September. Flight prices, which tend to average around £143, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in September, then you should wait until April to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of £149.

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 £178. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday 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 £334.

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

In the evening 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 £206. Flying to Washington, D.C. in the evening 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 £397. 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 4 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?

No. A direct flight is the cheapest option for a flight between New York LaGuardia Airport to Washington, D.C..

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

As of August 2025, prices for New York LaGuardia Airport to Washington, D.C. flights are approximately 19% cheaper 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.

Best price found

£49

Fastest flight time

1h 19m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from New York LaGuardia Airport in the past 72 hours is £49. The best return flight deal from New York LaGuardia Airport to Washington, D.C. found on momondo in the last 72 hours is £97.
The fastest flight from New York LaGuardia Airport to Washington, D.C. takes 1h 19m
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?

    New York LaGuardia and Washington, D.C. are 211.6 mi apart from one another. By plane, this route typically takes 1h 19m.

  • 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
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
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