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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 31/8. 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

Delta Logo
21:20 - 22:56LGA-DCA
1h 36mdirect
Delta Logo
08:45 - 10:11DCA-LGA
1h 26mdirect
£97Delta
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Thu, 21 Aug - Mon, 25 Aug
Delta Logo
06:00 - 07:19LGA-DCA
1h 19mdirect
Delta Logo
20:45 - 22:04DCA-LGA
1h 19mdirect
£98Delta
Find Deal
Thu, 21 Aug - Sun, 24 Aug
Delta Logo
21:20 - 22:56LGA-DCA
1h 36mdirect
Delta Logo
07:00 - 08:17DCA-LGA
1h 17mdirect
£104Delta
Find Deal
Thu, 14 Aug - Sat, 23 Aug
Delta Logo
06:00 - 07:19LGA-DCA
1h 19mdirect
Delta Logo
20:45 - 22:04DCA-LGA
1h 19mdirect
£110Delta
Find Deal
Wed, 13 Aug - Sun, 17 Aug
Southwest Logo
06:00 - 12:55LGA-DCA
6h 55m1 stop
Southwest Logo
15:35 - 23:00DCA-LGA
7h 25m1 stop
£148Southwest
Find Deal
Tue, 26 Aug - Tue, 26 Aug
American Airlines Logo
09:21 - 10:50LGA-DCA
1h 29mdirect
American Airlines Logo
07:30 - 08:41DCA-LGA
1h 11mdirect
£149American Airlines
Find Deal
Mon, 18 Aug - Thu, 21 Aug
Southwest Logo
06:00 - 14:25LGA-DCA
8h 25m1 stop
Southwest Logo
15:35 - 23:00DCA-LGA
7h 25m1 stop
£152Southwest
Find Deal
Tue, 19 Aug - Tue, 19 Aug
JetBlue Logo
13:30 - 20:54LGA-DCA
7h 24m1 stop
JetBlue Logo
07:37 - 15:00DCA-LGA
7h 23m1 stop
£172JetBlue
Find Deal
Tue, 9 Sep - Fri, 12 Sep
JetBlue Logo
13:30 - 20:59LGA-DCA
7h 29m1 stop
JetBlue Logo
10:32 - 20:30DCA-LGA
9h 58m1 stop
£186JetBlue
Find Deal
Fri, 29 Aug - Fri, 5 Sep
American Airlines Logo
13:19 - 06:59LGA-DCA
17h 40m1 stop
American Airlines Logo
10:04 - 11:19DCA-LGA
1h 15mdirect
£188American Airlines
Find Deal
Wed, 27 Aug - Thu, 28 Aug

Southwest flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport

Our best Southwest deals on New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flight tickets
Southwest
26 Aug
LGA06:00New York LaGuardia
6h 55m
1 stop
DCA12:55Washington, D.C. Reagan-National
26 Aug
DCA15:35Washington, D.C. Reagan-National
7h 25m
1 stop
LGA23:00New York LaGuardia
£148
Find similar
Southwest
19 Aug
LGA06:00New York LaGuardia
8h 25m
1 stop
DCA14:25Washington, D.C. Reagan-National
19 Aug
DCA15:35Washington, D.C. Reagan-National
7h 25m
1 stop
LGA23:00New York LaGuardia
£152
Find similar
Southwest
26 Aug
LGA09:00New York LaGuardia
6h 10m
1 stop
DCA15:10Washington, D.C. Reagan-National
27 Aug
DCA06:05Washington, D.C. Reagan-National
5h 40m
1 stop
LGA11:45New York LaGuardia
£174
Find similar

JetBlue flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
9 Sept
LGA13:30New York LaGuardia
7h 24m
1 stop
DCA20:54Washington, D.C. Reagan-National
12 Sept
DCA07:37Washington, D.C. Reagan-National
7h 23m
1 stop
LGA15:00New York LaGuardia
£172
Find similar
JetBlue
29 Aug
LGA13:30New York LaGuardia
7h 29m
1 stop
DCA20:59Washington, D.C. Reagan-National
5 Sept
DCA10:32Washington, D.C. Reagan-National
9h 58m
1 stop
LGA20:30New York LaGuardia
£186
Find similar
JetBlue
8 Sept
LGA06:30New York LaGuardia
6h 58m
1 stop
DCA13:28Washington, D.C. Reagan-National
12 Sept
DCA07:37Washington, D.C. Reagan-National
7h 23m
1 stop
LGA15:00New York LaGuardia
£193
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport 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 31 July 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

Thu 21/8

06:00-07:19

Nonstop1h 19m

Washington, D.C. Reagan-National

Sun 24/8

20:45-22:04

Nonstop1h 19m

£98

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 14/8

21:20-22:56

Nonstop1h 36m

Washington, D.C. Reagan-National

Sat 23/8

07:00-08:17

Nonstop1h 17m

£104

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Wed 13/8

06:00-07:19

Nonstop1h 19m

Washington, D.C. Reagan-National

Sun 17/8

20:45-22:04

Nonstop1h 19m

£110

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 26/8

06:00-12:55

1 stop6h 55m

Washington, D.C. Reagan-National

Tue 26/8

15:35-23:00

1 stop7h 25m

£148

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Mon 18/8

09:21-10:50

Nonstop1h 29m

Washington, D.C. Reagan-National

Thu 21/8

07:30-08:41

Nonstop1h 11m

£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

£152

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

Fri 12/9

07:37-15:00

1 stop7h 23m

£172

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Fri 29/8

13:30-20:59

1 stop7h 29m

Washington, D.C. Reagan-National

Fri 5/9

10:32-20:30

1 stop9h 58m

£186

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Wed 27/8

13:19-06:59

1 stop17h 40m

Washington, D.C. Reagan-National

Thu 28/8

10:04-11:19

Nonstop1h 15m

£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. Reagan-National 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. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport, with most prices found around £170. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport during August instead. Flights to Washington, D.C. Reagan-National Airport in August, while not as cheap as those in February, still average around £175.

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

The cheapest day to depart from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport is on a Tuesday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as £97. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Reagan-National Airport on Sunday is £352.

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

Our data shows that the cheapest New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as £104. Try not to purchase tickets at midday because they tend to be around £394. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around £224 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from New York LaGuardia Airport for as low as £120 on momondo.

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

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

As of July 2025, prices for New York LaGuardia Airport to Washington, D.C. Reagan-National Airport flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Washington, D.C. Reagan-National 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. Reagan-National Airport 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. Reagan-National Airport (LGA to DCA) 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. Reagan-National Airport

Best price found

£49

Fastest flight time

1h 19m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport found on momondo in the last 72 hours is £97.
The fastest flight from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport takes 1h 19m
Direct flights go from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport every day.
Search flight deals

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

    A flight from New York LaGuardia to Washington, D.C. Reagan-National will travel around 214.0 mi. A reasonable flight in good conditions will take 1h 19m.

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

    Prices for flights from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York LaGuardia Airport to Washington, D.C. Reagan-National Airport.

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

    The required travel and health documents for your Washington, D.C. Reagan-National 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. Reagan-National 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. Reagan-National Airport?

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.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from New York.

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

Yes. momondo allows you to filter the results for New York to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential New York to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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