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Cheap flights from New York LaGuardia Airport to Washington, D.C. from $65

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 9/24. 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. (LGA-WAS)

Cheap round-trip flights

United Airlines Logo
6:00 am - 7:30 amLGA-IAD
1h 30mnonstop
United Airlines Logo
8:20 am - 9:41 amIAD-LGA
1h 21mnonstop
$129United Airlines
Find Deal
Mon, Sep 22 - Wed, Sep 24
Delta Logo
11:10 am - 12:40 pmLGA-DCA
1h 30mnonstop
Delta Logo
8:40 pm - 9:56 pmDCA-LGA
1h 16mnonstop
$129Delta
Find Deal
Sat, Sep 13 - Mon, Sep 15
Delta Logo
11:10 am - 12:40 pmLGA-DCA
1h 30mnonstop
Delta Logo
7:20 pm - 8:39 pmDCA-LGA
1h 19mnonstop
$130Delta
Find Deal
Sat, Sep 13 - Mon, Sep 15
American Airlines Logo
9:37 am - 10:59 amLGA-DCA
1h 22mnonstop
American Airlines Logo
10:20 pm - 11:44 pmDCA-LGA
1h 24mnonstop
$132American Airlines
Find Deal
Thu, Oct 2 - Fri, Oct 3
United Airlines Logo
6:00 am - 7:30 amLGA-IAD
1h 30mnonstop
United Airlines Logo
10:20 pm - 11:43 pmIAD-LGA
1h 23mnonstop
$135United Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Frontier Logo
6:30 am - 12:55 pmLGA-IAD
6h 25m1 stop
Frontier Logo
3:15 pm - 10:14 pmIAD-LGA
6h 59m1 stop
$139Frontier
Find Deal
Mon, Sep 8 - Mon, Sep 8
Spirit Airlines Logo
4:58 pm - 10:33 pmLGA-BWI
5h 35m1 stop
Spirit Airlines Logo
4:27 pm - 10:38 pmBWI-LGA
6h 11m1 stop
$139Spirit Airlines
Find Deal
Tue, Sep 23 - Wed, Sep 24
Spirit Airlines Logo
4:58 pm - 11:45 pmLGA-BWI
6h 47m1 stop
Spirit Airlines Logo
2:09 pm - 10:29 pmBWI-LGA
8h 20m1 stop
$141Spirit Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Frontier Logo
6:30 am - 12:55 pmLGA-IAD
6h 25m1 stop
Frontier Logo
3:15 pm - 10:14 pmIAD-LGA
6h 59m1 stop
$142Frontier
Find Deal
Mon, Sep 8 - Mon, Sep 15
American Airlines Logo
7:55 am - 9:18 amLGA-DCA
1h 23mnonstop
American Airlines Logo
11:30 am - 4:21 pmDCA-LGA
4h 51m1 stop
$183American Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 22

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
Sep 8
LGA6:30 amNew York LaGuardia
6h 25m
1 stop
IAD12:55 pmWashington, D.C. Dulles Intl
Sep 8
IAD3:15 pmWashington, D.C. Dulles Intl
6h 59m
1 stop
LGA10:14 pmNew York LaGuardia
$139
Find similar
Frontier
Sep 8
LGA6:30 amNew York LaGuardia
6h 25m
1 stop
IAD12:55 pmWashington, D.C. Dulles Intl
Sep 15
IAD3:15 pmWashington, D.C. Dulles Intl
6h 59m
1 stop
LGA10:14 pmNew York LaGuardia
$142
Find similar
Frontier
Sep 17
LGA11:30 amNew York LaGuardia
8h 25m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Sep 18
IAD1:55 pmWashington, D.C. Dulles Intl
10h 02m
1 stop
LGA11:57 pmNew York LaGuardia
$143
Find similar

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
Sep 22
LGA6:00 amNew York LaGuardia
1h 30m
IAD7:30 amWashington, D.C. Dulles Intl
Sep 24
IAD8:20 amWashington, D.C. Dulles Intl
1h 21m
LGA9:41 amNew York LaGuardia
$129
Find similar
United Airlines
Sep 22
LGA6:00 amNew York LaGuardia
1h 30m
IAD7:30 amWashington, D.C. Dulles Intl
Sep 29
IAD10:20 pmWashington, D.C. Dulles Intl
1h 23m
LGA11:43 pmNew York LaGuardia
$135
Find similar
United Airlines
Sep 10
LGA10:25 amNew York LaGuardia
1h 29m
IAD11:54 amWashington, D.C. Dulles Intl
Sep 16
IAD10:08 pmWashington, D.C. Dulles Intl
1h 22m
LGA11:30 pmNew York LaGuardia
$138
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 832,500 searches. Data last updated August 25, 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

Mon 9/22

6:00 am-7:30 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 9/24

8:20 am-9:41 am

Nonstop1h 21m

$129

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sat 9/13

11:10 am-12:40 pm

Nonstop1h 30m

Washington, D.C. Reagan-National

Mon 9/15

8:40 pm-9:56 pm

Nonstop1h 16m

$129

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Sat 9/13

11:10 am-12:40 pm

Nonstop1h 30m

Washington, D.C. Reagan-National

Mon 9/15

7:20 pm-8:39 pm

Nonstop1h 19m

$130

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Thu 10/2

9:37 am-10:59 am

Nonstop1h 22m

Washington, D.C. Reagan-National

Fri 10/3

10:20 pm-11:44 pm

Nonstop1h 24m

$132

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 9/22

6:00 am-7:30 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 9/29

10:20 pm-11:43 pm

Nonstop1h 23m

$135

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 9/8

6:30 am-12:55 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Mon 9/8

3:15 pm-10:14 pm

1 stop6h 59m

$139

New YorkBaltimore

LGA - BWI

LGABWI

New York LaGuardia

Tue 9/23

4:58 pm-10:33 pm

1 stop5h 35m

Baltimore/Washington

Wed 9/24

4:27 pm-10:38 pm

1 stop6h 11m

$139

New YorkBaltimore

LGA - BWI

LGABWI

New York LaGuardia

Tue 10/7

4:58 pm-11:45 pm

1 stop6h 47m

Baltimore/Washington

Tue 10/14

2:09 pm-10:29 pm

1 stop8h 20m

$141

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 9/8

6:30 am-12:55 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Mon 9/15

3:15 pm-10:14 pm

1 stop6h 59m

$142

New YorkWashington, D.C.

LGA - DCA

LGADCA

New York LaGuardia

Mon 9/22

7:55 am-9:18 am

Nonstop1h 23m

Washington, D.C. Reagan-National

Mon 9/22

11:30 am-4:21 pm

1 stop4h 51m

$183

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.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from New York LaGuardia Airport, with most prices found around $189. If you’re not able to fly to Washington, D.C. in September, then April is your next best option. Flight prices from New York LaGuardia Airport to Washington, D.C. during April average around $197.

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 Friday. momondo users have found tickets for Friday departures for as low as $349. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Washington, D.C. for around $471.

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 $380. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $468. 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. 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 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

$163

Fastest flight time

1h 18m

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 $163. The best round-trip flight deal from New York LaGuardia Airport to Washington, D.C. found on momondo in the last 72 hours is $187.
The fastest flight from New York LaGuardia Airport to Washington, D.C. takes 1h 18m
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 211.6 mi. 1h 18m is a normal flight duration for this route.

  • 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 many operators does momondo search for flights from New York LaGuardia Airport to Washington, D.C.?

  • 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 layovers. 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 necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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.?

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

Best airlines flying from New York LaGuardia Airport to Washington, D.C.

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $128Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $129Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $130Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $242Free CancellationRating
8.0
4,243 reviews
Search Southwest flights

  • Delta Flights From New York LaGuardia Airport to Washington, D.C.

    Delta is one of the most popular airlines flying from New York LaGuardia Airport to Washington, D.C., operating 42 flights/week on average for this route. A good Delta flight deal for New York LaGuardia Airport to Washington, D.C. starts from $128 round-trip, up to an average price of $322. Our users have rated Delta at 7.9/10.

  • United Airlines Flights From New York LaGuardia Airport to Washington, D.C.

    The best United Airlines deal for New York LaGuardia Airport to Washington, D.C. flight tickets found on momondo in the last 72 hours was $130, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $301 round-trip. United Airlines operates 23 flights out of New York LaGuardia Airport into Washington, D.C. in an average week, so prices vary by time and availability. 8,940 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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?

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.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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