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

United Airlines is the most popular carrier 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.

$75 Cheap Flights from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport in 2026

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

As of July 2026, 47 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 15% of weekly flights taking off on this day.

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 6 per day as of July 2026. The most frequent departure time is 6:00AM, with 69% of daily flights leaving at noon.

Q: 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 $351 to $437. The lowest price recently found on this route was $149.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 7:31 am

LGA

IAD

1h 26mnonstop

8:19 am - 9:48 am

IAD

LGA

1h 29mnonstop

$149United Airlines

Wed, Jul 29 - Wed, Aug 5

6:05 am - 7:31 am

LGA

IAD

1h 26mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$157United Airlines

Wed, Jul 22 - Fri, Jul 24

6:05 am - 7:31 am

LGA

IAD

1h 26mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$165United Airlines

Thu, Jul 23 - Sun, Jul 26

6:00 am - 7:26 am

LGA

IAD

1h 26mnonstop

8:19 am - 9:48 am

IAD

LGA

1h 29mnonstop

$170United Airlines

Sat, Aug 1 - Wed, Aug 5

2:51 pm - 4:35 pm

LGA

IAD

1h 44mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$171United Airlines

Tue, Jul 21 - Tue, Jul 21

6:00 am - 7:26 am

LGA

IAD

1h 26mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$172United Airlines

Sat, Jul 25 - Sat, Aug 1

6:05 am - 7:31 am

LGA

IAD

1h 26mnonstop

8:19 am - 9:48 am

IAD

LGA

1h 29mnonstop

$174United Airlines

Tue, Aug 4 - Fri, Aug 7

6:05 am - 7:31 am

LGA

IAD

1h 26mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$177United Airlines

Wed, Jul 29 - Wed, Jul 29

2:51 pm - 4:35 pm

LGA

IAD

1h 44mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$178United Airlines

Sat, Jul 18 - Sat, Jul 25

6:00 am - 7:26 am

LGA

IAD

1h 26mnonstop

10:05 pm - 11:30 pm

IAD

LGA

1h 25mnonstop

$179United Airlines

Sat, Jul 25 - Sun, Jul 26

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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

Aug 4

LGA6:29 amNew York LaGuardia

10h 11m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

Aug 15

IAD6:49 amWashington, D.C. Dulles Intl

10h 43m

1 stop

LGA5:32 pmNew York LaGuardia

$204

Frontier

Aug 5

LGA4:59 pmNew York LaGuardia

5h 53m

1 stop

IAD10:52 pmWashington, D.C. Dulles Intl

Aug 12

IAD11:11 amWashington, D.C. Dulles Intl

6h 34m

1 stop

LGA5:45 pmNew York LaGuardia

$210

Frontier

Aug 5

LGA4:59 pmNew York LaGuardia

5h 53m

1 stop

IAD10:52 pmWashington, D.C. Dulles Intl

Aug 12

IAD11:11 amWashington, D.C. Dulles Intl

6h 34m

1 stop

LGA5:45 pmNew York LaGuardia

$211

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

Jul 29

LGA6:05 amNew York LaGuardia

1h 26m

IAD7:31 amWashington, D.C. Dulles Intl

Aug 5

IAD8:19 amWashington, D.C. Dulles Intl

1h 29m

LGA9:48 amNew York LaGuardia

$149

United Airlines

Jul 22

LGA6:05 amNew York LaGuardia

1h 26m

IAD7:31 amWashington, D.C. Dulles Intl

Jul 24

IAD10:05 pmWashington, D.C. Dulles Intl

1h 25m

LGA11:30 pmNew York LaGuardia

$157

United Airlines

Jul 23

LGA6:05 amNew York LaGuardia

1h 26m

IAD7:31 amWashington, D.C. Dulles Intl

Jul 26

IAD10:05 pmWashington, D.C. Dulles Intl

1h 25m

LGA11:30 pmNew York LaGuardia

$165

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 - IAD

LGAIAD

New York LaGuardia

Wed 7/29

6:05 am-7:31 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Wed 8/5

8:19 am-9:48 am

Nonstop1h 29m

$149

Quickest round-trip

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 7/22

6:05 am-7:31 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Fri 7/24

10:05 pm-11:30 pm

Nonstop1h 25m

$157

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Thu 7/23

6:05 am-7:31 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Sun 7/26

10:05 pm-11:30 pm

Nonstop1h 25m

$165

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 8/1

6:00 am-7:26 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Wed 8/5

8:19 am-9:48 am

Nonstop1h 29m

$170

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 7/21

2:51 pm-4:35 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 7/21

10:05 pm-11:30 pm

Nonstop1h 25m

$171

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 7/25

6:00 am-7:26 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Sat 8/1

10:05 pm-11:30 pm

Nonstop1h 25m

$172

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Tue 8/4

6:05 am-7:31 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Fri 8/7

8:19 am-9:48 am

Nonstop1h 29m

$174

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Wed 7/29

6:05 am-7:31 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Wed 7/29

10:05 pm-11:30 pm

Nonstop1h 25m

$177

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 7/18

2:51 pm-4:35 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 7/25

10:05 pm-11:30 pm

Nonstop1h 25m

$178

New YorkWashington, D.C.

LGA - IAD

LGAIAD

New York LaGuardia

Sat 7/25

6:00 am-7:26 am

Nonstop1h 26m

Washington, D.C. Dulles Intl

Sun 7/26

10:05 pm-11:30 pm

Nonstop1h 25m

$179

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

Prices

Airlines

Other information

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, February 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 $275. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $278.

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

Our data shows that Thursday 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 $434. 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 $546.

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 $422 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 $615 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 July 2026, prices for New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flights are approximately 14% 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	$205
Fastest flight time	1h 23m
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 $205. 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 $367.

The fastest flight from New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport takes 1h 23m

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

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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 23m 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 July 2026.
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 Embraer 175, making up 9.30% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 8.82%, Canadair (Bombardier) Regional Jet 900 with 7.00%, and Airbus A321neo with 6.04%.
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 $127	Free Cancellation	Rating 7.4 9,926 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 $127 round-trip. Over the 27 United Airlines flights for this route in a normal week, average airfare is usually $315 round-trip - but some users have found much cheaper deals with momondo.

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Sterling

Tysons

Springfield

Bethesda

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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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Flights to Newark Airportfrom $80

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Flights to New York LaGuardia Airportfrom $87

Flights to Dallas/Fort Worth Airportfrom $78

Flights to Washington, D.C. Reagan-National Airportfrom $116

Flights to Chicago O'Hare Intl Airportfrom $67

Flights to Orlando Airportfrom $50

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Cheap flights from New York LaGuardia Airport to Washington, D.C. from $75

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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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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.

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

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?

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?

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

How have New York LaGuardia Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies 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?

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

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

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Fastest flight time

Direct flights

Frequently asked questions about flying 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

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