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Cheap flights from New York LaGuardia Airport to Washington, D.C. from C$ 90

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 26/8. 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 round-trip flights

United Airlines Logo
10:25 a.m. - 11:54 a.m.LGA-IAD
1h 29mdirect
United Airlines Logo
10:08 p.m. - 11:30 p.m.IAD-LGA
1h 22mdirect
C$ 179United Airlines
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Delta Logo
6:00 a.m. - 7:19 a.m.LGA-DCA
1h 19mdirect
Delta Logo
1:40 p.m. - 3:07 p.m.DCA-LGA
1h 27mdirect
C$ 179Delta
Find Deal
Thu, 21 Aug - Mon, 25 Aug
United Airlines Logo
7:29 p.m. - 8:59 p.m.LGA-IAD
1h 30mdirect
United Airlines Logo
10:08 p.m. - 11:30 p.m.IAD-LGA
1h 22mdirect
C$ 184United Airlines
Find Deal
Fri, 5 Sep - Sun, 14 Sep
United Airlines Logo
6:00 a.m. - 7:30 a.m.LGA-IAD
1h 30mdirect
United Airlines Logo
12:40 p.m. - 2:13 p.m.IAD-LGA
1h 33mdirect
C$ 185United Airlines
Find Deal
Thu, 18 Sep - Sat, 20 Sep
American Airlines Logo
6:30 a.m. - 7:50 a.m.LGA-DCA
1h 20mdirect
American Airlines Logo
1:45 p.m. - 3:00 p.m.DCA-LGA
1h 15mdirect
C$ 262American Airlines
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Southwest Logo
1:50 p.m. - 8:25 p.m.LGA-DCA
6h 35m1 stop
Southwest Logo
3:15 p.m. - 10:15 p.m.DCA-LGA
7h 00m1 stop
C$ 273Southwest
Find Deal
Sat, 6 Sep - Wed, 10 Sep
American Airlines Logo
9:21 a.m. - 10:50 a.m.LGA-DCA
1h 29mdirect
American Airlines Logo
7:30 a.m. - 8:41 a.m.DCA-LGA
1h 11mdirect
C$ 274American Airlines
Find Deal
Mon, 18 Aug - Thu, 21 Aug
Southwest Logo
6:00 a.m. - 2:25 p.m.LGA-DCA
8h 25m1 stop
Southwest Logo
3:35 p.m. - 11:00 p.m.DCA-LGA
7h 25m1 stop
C$ 280Southwest
Find Deal
Tue, 19 Aug - Tue, 19 Aug
JetBlue Logo
7:00 a.m. - 4:12 p.m.LGA-DCA
9h 12m1 stop
JetBlue Logo
7:00 a.m. - 2:06 p.m.DCA-LGA
7h 06m1 stop
C$ 343JetBlue
Find Deal
Thu, 28 Aug - Thu, 4 Sep
JetBlue Logo
1:30 p.m. - 8:54 p.m.LGA-DCA
7h 24m1 stop
JetBlue Logo
7:37 a.m. - 3:00 p.m.DCA-LGA
7h 23m1 stop
C$ 345JetBlue
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 Sep
LGA10:25 a.m.New York LaGuardia
1h 29m
IAD11:54 a.m.Washington, D.C. Dulles Intl
7 Sep
IAD10:08 p.m.Washington, D.C. Dulles Intl
1h 22m
LGA11:30 p.m.New York LaGuardia
C$ 179
Find similar
United Airlines
5 Sep
LGA7:29 p.m.New York LaGuardia
1h 30m
IAD8:59 p.m.Washington, D.C. Dulles Intl
14 Sep
IAD10:08 p.m.Washington, D.C. Dulles Intl
1h 22m
LGA11:30 p.m.New York LaGuardia
C$ 184
Find similar
United Airlines
18 Sep
LGA6:00 a.m.New York LaGuardia
1h 30m
IAD7:30 a.m.Washington, D.C. Dulles Intl
20 Sep
IAD12:40 p.m.Washington, D.C. Dulles Intl
1h 33m
LGA2:13 p.m.New York LaGuardia
C$ 185
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
6 Oct
LGA6:30 a.m.New York LaGuardia
1h 20m
DCA7:50 a.m.Washington, D.C. Reagan-National
8 Oct
DCA1:45 p.m.Washington, D.C. Reagan-National
1h 15m
LGA3:00 p.m.New York LaGuardia
C$ 262
Find similar
American Airlines
18 Aug
LGA9:21 a.m.New York LaGuardia
1h 29m
DCA10:50 a.m.Washington, D.C. Reagan-National
21 Aug
DCA7:30 a.m.Washington, D.C. Reagan-National
1h 11m
LGA8:41 a.m.New York LaGuardia
C$ 274
Find similar
American Airlines
18 Aug
LGA7:00 p.m.New York LaGuardia
4h 33m
1 stop
DCA11:33 p.m.Washington, D.C. Reagan-National
20 Aug
DCA1:47 p.m.Washington, D.C. Reagan-National
1h 14m
LGA3:01 p.m.New York LaGuardia
C$ 350
Find similar

momondo Fare Finder

 
Customize 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 96,600 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. 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 a.m.-11:54 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 7/9

10:08 p.m.-11:30 p.m.

Nonstop1h 22m

C$ 179

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 21/8

6:00 a.m.-7:19 a.m.

Nonstop1h 19m

Washington, D.C. Reagan-National

Mon 25/8

1:40 p.m.-3:07 p.m.

Nonstop1h 27m

C$ 179

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 5/9

7:29 p.m.-8:59 p.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sun 14/9

10:08 p.m.-11:30 p.m.

Nonstop1h 22m

C$ 184

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 18/9

6:00 a.m.-7:30 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Sat 20/9

12:40 p.m.-2:13 p.m.

Nonstop1h 33m

C$ 185

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Mon 6/10

6:30 a.m.-7:50 a.m.

Nonstop1h 20m

Washington, D.C. Reagan-National

Wed 8/10

1:45 p.m.-3:00 p.m.

Nonstop1h 15m

C$ 262

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sat 6/9

1:50 p.m.-8:25 p.m.

1 stop6h 35m

Washington, D.C. Reagan-National

Wed 10/9

3:15 p.m.-10:15 p.m.

1 stop7h 00m

C$ 273

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Mon 18/8

9:21 a.m.-10:50 a.m.

Nonstop1h 29m

Washington, D.C. Reagan-National

Thu 21/8

7:30 a.m.-8:41 a.m.

Nonstop1h 11m

C$ 274

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 19/8

6:00 a.m.-2:25 p.m.

1 stop8h 25m

Washington, D.C. Reagan-National

Tue 19/8

3:35 p.m.-11:00 p.m.

1 stop7h 25m

C$ 280

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 28/8

7:00 a.m.-4:12 p.m.

1 stop9h 12m

Washington, D.C. Reagan-National

Thu 4/9

7:00 a.m.-2:06 p.m.

1 stop7h 06m

C$ 343

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Tue 9/9

1:30 p.m.-8:54 p.m.

1 stop7h 24m

Washington, D.C. Reagan-National

Thu 11/9

7:37 a.m.-3:00 p.m.

1 stop7h 23m

C$ 345

Flights are sorted by cheapest round-trip 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.?

If you aren’t able to travel during the month of September, then book flights to Washington, D.C. from New York LaGuardia Airport during April instead. Flights to Washington, D.C. in April, while not as cheap as those in September, still average around C$ 273.

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

The cheapest day to depart from New York LaGuardia Airport to Washington, D.C. is on a Saturday. Travellers who choose to depart for Washington, D.C. on a Saturday will often find tickets for as low as C$ 520. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,222.

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

In the afternoon 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 C$ 520. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 661 per ticket.

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

Fly from New York LaGuardia to Washington, D.C. Dulles Intl 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 July 2025, prices for New York LaGuardia Airport to Washington, D.C. 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.

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 round-trip 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

C$ 90

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 C$ 90. The best round-trip flight deal from New York LaGuardia Airport to Washington, D.C. found on momondo in the last 72 hours is C$ 179.
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?

    A flight from New York LaGuardia to Washington, D.C. will travel around 340.5 km. 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.?

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

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

    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..

  • 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 license 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
Herndon
Linthicum Heights
Bethesda
Alexandria
Silver Spring
Reston
Laurel
Pikesville
Fairfax
Capitol Heights
Arlington
Gettysburg
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

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?

momondo does allow users to show only those flights to Washington, D.C. from New York which offer a flexible booking policy as well as other useful filters and features.

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 can track prices for New York to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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