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Cheap flights from New York LaGuardia Airport to Washington, D.C. from $60

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 3/7. 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

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 7:29 am
LGA
-
IAD
1h 29mnonstop
United Airlines Logo
12:40 pm - 2:18 pm
IAD
-
LGA
1h 38mnonstop
$113United Airlines
Sat, Mar 7 - Sat, Mar 7
United Airlines Logo
6:00 am - 7:29 am
LGA
-
IAD
1h 29mnonstop
United Airlines Logo
5:10 pm - 6:42 pm
IAD
-
LGA
1h 32mnonstop
$120United Airlines
Sat, Feb 21 - Sat, Feb 28
Frontier Logo
6:30 pm - 12:36 am
LGA
-
IAD
6h 06m
1 stop
Frontier Logo
6:20 am - 8:59 pm
IAD
-
LGA
14h 39m
1 stop
$128Frontier
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
6:00 am - 7:29 am
LGA
-
IAD
1h 29mnonstop
United Airlines Logo
8:20 am - 9:44 am
IAD
-
LGA
1h 24mnonstop
$129United Airlines
Fri, Feb 27 - Sun, Mar 1
United Airlines Logo
6:00 am - 7:29 am
LGA
-
IAD
1h 29mnonstop
United Airlines Logo
8:20 am - 9:44 am
IAD
-
LGA
1h 24mnonstop
$135United Airlines
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
7:29 pm - 8:57 pm
LGA
-
IAD
1h 28mnonstop
United Airlines Logo
10:22 pm - 11:44 pm
IAD
-
LGA
1h 22mnonstop
$138United Airlines
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
6:00 am - 7:29 am
LGA
-
IAD
1h 29mnonstop
United Airlines Logo
12:40 pm - 2:18 pm
IAD
-
LGA
1h 38mnonstop
$147United Airlines
Wed, Feb 18 - Wed, Feb 18
Frontier Logo
10:00 pm - 9:25 am
LGA
-
IAD
11h 25m
1 stop
Frontier Logo
11:22 am - 11:06 pm
IAD
-
LGA
11h 44m
1 stop
$148Frontier
Wed, Feb 25 - Thu, Feb 26
Multiple Airlines Logo
6:15 am - 4:43 pm
LGA
-
IAD
10h 28m
1 stop
Multiple Airlines Logo
8:15 am - 8:00 pm
IAD
-
LGA
11h 45m
1 stop
$152Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
5:40 pm - 12:21 am
LGA
-
IAD
6h 41m
1 stop
Frontier Logo
6:20 am - 4:29 pm
IAD
-
LGA
10h 09m
1 stop
$159Frontier
Wed, Mar 18 - Wed, Mar 25

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
Mar 7
LGA6:00 amNew York LaGuardia
1h 29m
IAD7:29 amWashington, D.C. Dulles Intl
Mar 7
IAD12:40 pmWashington, D.C. Dulles Intl
1h 38m
LGA2:18 pmNew York LaGuardia
$113
United Airlines
Feb 21
LGA6:00 amNew York LaGuardia
1h 29m
IAD7:29 amWashington, D.C. Dulles Intl
Feb 28
IAD5:10 pmWashington, D.C. Dulles Intl
1h 32m
LGA6:42 pmNew York LaGuardia
$120
United Airlines
Feb 27
LGA6:00 amNew York LaGuardia
1h 29m
IAD7:29 amWashington, D.C. Dulles Intl
Mar 1
IAD8:20 amWashington, D.C. Dulles Intl
1h 24m
LGA9:44 amNew York LaGuardia
$129

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
Apr 15
LGA6:30 pmNew York LaGuardia
6h 06m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 22
IAD6:20 amWashington, D.C. Dulles Intl
14h 39m
1 stop
LGA8:59 pmNew York LaGuardia
$128
Frontier
Feb 25
LGA10:00 pmNew York LaGuardia
11h 25m
1 stop
IAD9:25 amWashington, D.C. Dulles Intl
Feb 26
IAD11:22 amWashington, D.C. Dulles Intl
11h 44m
1 stop
LGA11:06 pmNew York LaGuardia
$148
Frontier
Mar 18
LGA5:40 pmNew York LaGuardia
6h 41m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Mar 25
IAD6:20 amWashington, D.C. Dulles Intl
10h 09m
1 stop
LGA4:29 pmNew York LaGuardia
$159

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl 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 832,500 searches. Data last updated February 3, 2026.
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

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 3/7

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 3/7

12:40 pm-2:18 pm

Nonstop1h 38m

$113

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 2/21

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 2/28

5:10 pm-6:42 pm

Nonstop1h 32m

$120

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 4/15

6:30 pm-12:36 am

1 stop6h 06m

Washington, D.C. Dulles Intl

Wed 4/22

6:20 am-8:59 pm

1 stop14h 39m

$128

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 2/27

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 3/1

8:20 am-9:44 am

Nonstop1h 24m

$129

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 3/6

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 3/8

8:20 am-9:44 am

Nonstop1h 24m

$135

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 2/21

7:29 pm-8:57 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sat 2/28

10:22 pm-11:44 pm

Nonstop1h 22m

$138

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 2/18

6:00 am-7:29 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 2/18

12:40 pm-2:18 pm

Nonstop1h 38m

$147

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 2/25

10:00 pm-9:25 am

1 stop11h 25m

Washington, D.C. Dulles Intl

Thu 2/26

11:22 am-11:06 pm

1 stop11h 44m

$148

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 2/26

6:15 am-4:43 pm

1 stop10h 28m

Washington, D.C. Dulles Intl

Mon 3/2

8:15 am-8:00 pm

1 stop11h 45m

$152

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 3/18

5:40 pm-12:21 am

1 stop6h 41m

Washington, D.C. Dulles Intl

Wed 3/25

6:20 am-4:29 pm

1 stop10h 09m

$159

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?

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 $207. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $225.

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 $416. When flying out on a Monday, 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 $548.

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 $429 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $609 on average. Flights to Washington, D.C. Dulles Intl Airport from New York LaGuardia Airport at noon 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 to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on New York LaGuardia to Washington, D.C. Dulles Intl 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 February 2026, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 6% more expensive 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

$141

Fastest flight time

1h 25m

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 $141. 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 $309.
The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 25m
Direct flights go from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 25m 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 $117Free CancellationRating
7.4
9,236 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 $117 round-trip. Over the 23 United Airlines flights for this route in a normal week, average airfare is usually $276 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
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?

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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