What is the cheapest airline that flies from New York LaGuardia to Washington, D.C. Dulles Intl?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from New York LaGuardia to Washington, D.C. Dulles Intl

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.

$59 Cheap Flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport in 2025/26

Q: How many flights depart from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between New York LaGuardia Airport and Washington, D.C. Dulles Intl Airport is 7 per day as of November 2025. The most frequent departure time is 6:00AM, with 71% of daily flights leaving at noon.

Q: How many flights depart from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2025, 49 flights take off from New York LaGuardia Airport and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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12:30 pm - 11:05 pmLGA-IAD

10h 35m1 stop

5:45 am - 4:29 pmIAD-LGA

10h 44m1 stop

$110Frontier

Find Deal

Sat, Dec 6 - Mon, Dec 8

12:30 pm - 11:05 pmLGA-IAD

10h 35m1 stop

9:00 am - 4:29 pmIAD-LGA

7h 29m1 stop

$111Frontier

Find Deal

Sat, Dec 6 - Wed, Dec 17

6:20 am - 2:29 pmLGA-IAD

8h 09m1 stop

9:00 am - 4:29 pmIAD-LGA

7h 29m1 stop

$112Frontier

Find Deal

Wed, Dec 10 - Wed, Dec 17

7:29 pm - 8:57 pmLGA-IAD

1h 28mnonstop

8:15 am - 9:40 amIAD-LGA

1h 25mnonstop

$117United Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

6:00 am - 7:27 amLGA-IAD

1h 27mnonstop

10:23 pm - 11:44 pmIAD-LGA

1h 21mnonstop

$123United Airlines

Find Deal

Mon, Dec 8 - Wed, Dec 10

6:00 am - 7:27 amLGA-IAD

1h 27mnonstop

10:23 pm - 11:44 pmIAD-LGA

1h 21mnonstop

$127United Airlines

Find Deal

Mon, Dec 8 - Wed, Dec 10

6:00 am - 7:30 amLGA-IAD

1h 30mnonstop

10:20 pm - 11:43 pmIAD-LGA

1h 23mnonstop

$129United Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 19

12:30 pm - 11:05 pmLGA-IAD

10h 35m1 stop

5:45 am - 4:29 pmIAD-LGA

10h 44m1 stop

$130Frontier

Find Deal

Sat, Dec 13 - Mon, Dec 15

6:00 am - 7:30 amLGA-IAD

1h 30mnonstop

12:40 pm - 2:14 pmIAD-LGA

1h 34mnonstop

$131United Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 19

12:30 pm - 11:05 pmLGA-IAD

10h 35m1 stop

5:45 am - 11:29 amIAD-LGA

5h 44m1 stop

$133Frontier

Find Deal

Fri, Dec 12 - Mon, Dec 15

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

Dec 6

LGA12:30 pmNew York LaGuardia

10h 35m

1 stop

IAD11:05 pmWashington, D.C. Dulles Intl

Dec 8

IAD5:45 amWashington, D.C. Dulles Intl

10h 44m

1 stop

LGA4:29 pmNew York LaGuardia

$110

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Frontier

Dec 6

LGA12:30 pmNew York LaGuardia

10h 35m

1 stop

IAD11:05 pmWashington, D.C. Dulles Intl

Dec 17

IAD9:00 amWashington, D.C. Dulles Intl

7h 29m

1 stop

LGA4:29 pmNew York LaGuardia

$111

Find similar

Frontier

Dec 10

LGA6:20 amNew York LaGuardia

8h 09m

1 stop

IAD2:29 pmWashington, D.C. Dulles Intl

Dec 17

IAD9:00 amWashington, D.C. Dulles Intl

7h 29m

1 stop

LGA4:29 pmNew York LaGuardia

$112

Find similar

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 5

LGA7:29 pmNew York LaGuardia

1h 28m

IAD8:57 pmWashington, D.C. Dulles Intl

Dec 7

IAD8:15 amWashington, D.C. Dulles Intl

1h 25m

LGA9:40 amNew York LaGuardia

$117

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United Airlines

Dec 8

LGA6:00 amNew York LaGuardia

1h 27m

IAD7:27 amWashington, D.C. Dulles Intl

Dec 10

IAD10:23 pmWashington, D.C. Dulles Intl

1h 21m

LGA11:44 pmNew York LaGuardia

$123

Find similar

United Airlines

Dec 8

LGA6:00 amNew York LaGuardia

1h 27m

IAD7:27 amWashington, D.C. Dulles Intl

Dec 10

IAD10:23 pmWashington, D.C. Dulles Intl

1h 21m

LGA11:44 pmNew York LaGuardia

$127

Find similar

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

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 12/6

12:30 pm-11:05 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Mon 12/8

5:45 am-4:29 pm

1 stop10h 44m

$110

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 12/6

12:30 pm-11:05 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Wed 12/17

9:00 am-4:29 pm

1 stop7h 29m

$111

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 12/10

6:20 am-2:29 pm

1 stop8h 09m

Washington, D.C. Dulles Intl

Wed 12/17

9:00 am-4:29 pm

1 stop7h 29m

$112

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 12/5

7:29 pm-8:57 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 12/7

8:15 am-9:40 am

Nonstop1h 25m

$117

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 12/8

6:00 am-7:27 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

Wed 12/10

10:23 pm-11:44 pm

Nonstop1h 21m

$123

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Mon 12/8

6:00 am-7:27 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

Wed 12/10

10:23 pm-11:44 pm

Nonstop1h 21m

$127

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 1/16

6:00 am-7:30 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 1/19

10:20 pm-11:43 pm

Nonstop1h 23m

$129

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 12/13

12:30 pm-11:05 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Mon 12/15

5:45 am-4:29 pm

1 stop10h 44m

$130

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 1/16

6:00 am-7:30 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Mon 1/19

12:40 pm-2:14 pm

Nonstop1h 34m

$131

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Fri 12/12

12:30 pm-11:05 pm

1 stop10h 35m

Washington, D.C. Dulles Intl

Mon 12/15

5:45 am-11:29 am

1 stop5h 44m

$133

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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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 March is also cheap. Prices for this month can be found on momondo for an average of $232.

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 $419. 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 $588.

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 $454 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 $634 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 November 2025, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 5% 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	$163
Fastest flight time	1h 19m
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 $163. 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 $269.

The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 19m

Direct flights go from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport every day.

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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 27m 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?
The number of operators available for flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport is 1 as of November 2025.
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?
Based on momondo bookings for flights between New York LaGuardia Airport and Washington, D.C. Dulles Intl Airport, the leading plane model is Airbus A321neo, making up 6.72% of the total bookings. Other popular models include Boeing 777 with 6.16%, Embraer 175 (Enhanced Winglets) with 5.53%, and Boeing 787-9 Dreamliner with 5.16%.
What is the most popular airline from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport is United Airlines, representing 100% of all bookings.

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 Airlines	PriceFrom $129	Free Cancellation	Rating 7.4 9,017 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 $129 round-trip. Over the 27 United Airlines flights for this route in a normal week, average airfare is usually $289 round-trip - but some users have found much cheaper deals with momondo.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Reston

Manassas

Gaithersburg

Fairfax

Glen Burnie

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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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Cheap flights from New York LaGuardia Airport to Washington, D.C. from $59

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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

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

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

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

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

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 November 2025, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from New York LaGuardia to Washington, D.C. Dulles Intl?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from New York LaGuardia to Washington, D.C. Dulles Intl

How many flights depart from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between New York LaGuardia Airport and Washington, D.C. Dulles Intl Airport is 7 per day as of November 2025. The most frequent departure time is 6:00AM, with 71% of daily flights leaving at noon.

How many flights depart from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2025, 49 flights take off from New York LaGuardia Airport and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

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

Fastest flight time

Direct flights

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

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

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?

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

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

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

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

Why use momondo?

Why should I use momondo to find a flight deal from New York to Washington, D.C.?

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

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

I’m not ready to book a flight from New York to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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