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Cheap flights from New York LaGuardia Airport to Washington, D.C. from $79

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New York LaGuardia Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:25 am - 12:19 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
14h 54m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:37 am - 4:27 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
9h 50m1 stop Atlanta Hartsfield-Jackson
$195Frontier
Fri, Feb 5 - Tue, Feb 9
Frontier Logo
5:30 pm - 11:11 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
17h 41m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:35 pm - 8:44 amIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
10h 09m1 stop Atlanta Hartsfield-Jackson
$199Frontier
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
2:59 pm - 4:29 pmLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
1h 30mnonstop
United Airlines Logo
5:20 pm - 6:44 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
1h 24mnonstop
$218United Airlines
Fri, Dec 25 - Fri, Jan 1
Frontier Logo
9:15 am - 5:38 pmLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
8h 23m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:35 pm - 8:44 amIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
10h 09m1 stop Atlanta Hartsfield-Jackson
$221Frontier
Sat, Dec 12 - Mon, Dec 14
United Airlines Logo
10:25 am - 11:55 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
1h 30mnonstop
United Airlines Logo
12:45 pm - 2:14 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
1h 29mnonstop
$227United Airlines
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
6:00 am - 7:21 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
1h 21mnonstop
United Airlines Logo
10:20 pm - 11:44 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
1h 24mnonstop
$227United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
6:00 am - 7:21 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
1h 21mnonstop
United Airlines Logo
5:15 pm - 6:44 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
1h 29mnonstop
$227United Airlines
Sat, Dec 12 - Sat, Dec 12
United Airlines Logo
6:00 am - 7:21 amLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
1h 21mnonstop
United Airlines Logo
10:20 pm - 11:44 pmIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
1h 24mnonstop
$227United Airlines
Wed, Dec 9 - Wed, Dec 16
Frontier Logo
9:15 am - 2:49 pmLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
5h 34m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:35 pm - 8:30 amIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
9h 55m1 stop Atlanta Hartsfield-Jackson
$230Frontier
Sat, Dec 12 - Wed, Dec 16
Frontier Logo
9:15 am - 5:38 pmLGA  New York LaGuardia-IAD Washington, D.C. Dulles Intl
8h 23m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:35 pm - 8:44 amIAD  Washington, D.C. Dulles Intl-LGA New York LaGuardia
10h 09m1 stop Atlanta Hartsfield-Jackson
$230Frontier
Sat, Dec 12 - Tue, Dec 15

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

Our best Frontier deals on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Feb 5
LGA9:25 amNew York LaGuardia
14h 54m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
Feb 9
IAD6:37 amWashington, D.C. Dulles Intl
9h 50m
1 stop
LGA4:27 pmNew York LaGuardia
$195
Frontier
Dec 8
LGA5:30 pmNew York LaGuardia
17h 41m
1 stop
IAD11:11 amWashington, D.C. Dulles Intl
Dec 15
IAD10:35 pmWashington, D.C. Dulles Intl
10h 09m
1 stop
LGA8:44 amNew York LaGuardia
$199
Frontier
Dec 12
LGA9:15 amNew York LaGuardia
8h 23m
1 stop
IAD5:38 pmWashington, D.C. Dulles Intl
Dec 14
IAD10:35 pmWashington, D.C. Dulles Intl
10h 09m
1 stop
LGA8:44 amNew York LaGuardia
$221

United Airlines flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 25
LGA2:59 pmNew York LaGuardia
1h 30m
IAD4:29 pmWashington, D.C. Dulles Intl
Jan 1
IAD5:20 pmWashington, D.C. Dulles Intl
1h 24m
LGA6:44 pmNew York LaGuardia
$218
United Airlines
Dec 5
LGA6:00 amNew York LaGuardia
1h 21m
IAD7:21 amWashington, D.C. Dulles Intl
Dec 12
IAD10:20 pmWashington, D.C. Dulles Intl
1h 24m
LGA11:44 pmNew York LaGuardia
$227
United Airlines
Dec 26
LGA6:00 amNew York LaGuardia
1h 30m
IAD7:30 amWashington, D.C. Dulles Intl
Dec 30
IAD10:20 pmWashington, D.C. Dulles Intl
1h 24m
LGA11:44 pmNew York LaGuardia
$235

momondo Fare Finder

 
Use the filters below to find and compare flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Fri 2/5

9:25 am-12:19 am

1 stop14h 54m

Washington, D.C. Dulles Intl

Tue 2/9

6:37 am-4:27 pm

1 stop9h 50m

$195

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Tue 12/8

5:30 pm-11:11 am

1 stop17h 41m

Washington, D.C. Dulles Intl

Tue 12/15

10:35 pm-8:44 am

1 stop10h 09m

$199

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Fri 12/25

2:59 pm-4:29 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

Fri 1/1

5:20 pm-6:44 pm

Nonstop1h 24m

$218

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Sat 12/12

9:15 am-5:38 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Mon 12/14

10:35 pm-8:44 am

1 stop10h 09m

$221

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Tue 12/8

10:25 am-11:55 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Tue 12/15

12:45 pm-2:14 pm

Nonstop1h 29m

$227
Quickest round-trip

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Sat 12/5

6:00 am-7:21 am

Nonstop1h 21m

Washington, D.C. Dulles Intl

Sat 12/12

10:20 pm-11:44 pm

Nonstop1h 24m

$227

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Sat 12/12

6:00 am-7:21 am

Nonstop1h 21m

Washington, D.C. Dulles Intl

Sat 12/12

5:15 pm-6:44 pm

Nonstop1h 29m

$227

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Wed 12/9

6:00 am-7:21 am

Nonstop1h 21m

Washington, D.C. Dulles Intl

Wed 12/16

10:20 pm-11:44 pm

Nonstop1h 24m

$227

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Sat 12/12

9:15 am-2:49 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Wed 12/16

10:35 pm-8:30 am

1 stop9h 55m

$230

New YorkWashington, D.C.

LGA New York LaGuardia - IAD Washington, D.C. Dulles Intl

LGAIAD

New York LaGuardia

Sat 12/12

9:15 am-5:38 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Tue 12/15

10:35 pm-8:44 am

1 stop10h 09m

$230

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. Dulles Intl 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 typical price of a round-trip flight between New York LaGuardia Airport and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $263 to $537.
The lowest price recently found on this route was $195.

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, April is the cheapest month to fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $317.

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

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $463. 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. Dulles Intl Airport for around $570.

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

Flying to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $459 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $675 on average. Flights to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

What cabin class options are available on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flight prices changed over time?

As of November 2026, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl 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. Dulles Intl Airport 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. Dulles Intl Airport (LGA to IAD) 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. Dulles Intl Airport

Best Price Found

$79

Fastest flight time

1h 21m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport in the past 72 hours is $79. The best round-trip flight deal from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $195.
The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 21m
Direct flights go from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport

  • How far is New York LaGuardia to Washington, D.C. Dulles Intl by plane?

    A flight from New York LaGuardia to Washington, D.C. Dulles Intl will travel around 227.7 mi. Typically, this will take 1h 21m by plane in normal conditions.

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

    Prices for flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    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. Dulles Intl Airport.

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

    The required travel and health documents for your Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl Airport?

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

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

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $163Free CancellationRating
7.3
10,472 reviews
Search United Airlines flights

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

    United Airlines flight deals from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport start from $163 round-trip. Over the 28 United Airlines flights for this route in a normal week, average airfare is usually $353 round-trip - but some users have found much cheaper deals with momondo.

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

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

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?

Flights from New York to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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 offers price alerts on flights to Washington, D.C. from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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