$65 Cheap Flights from New York (LGA) to Washington (IAD)

View $65 flight on Fri, Jul 25, 2025Opens in a new window

Popular airlines from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from New York to Washington (LGA-IAD)

Prices were available within the past 7 days and start at $65 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jul 25 - Mon, Jul 28
LGA
New York
IAD
Washington
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 25 from New York to Washington, returning Mon, Jul 28, priced at $129 found 1 hour ago
United
Tue, Aug 5 - Wed, Aug 27
LGA
New York
IAD
Washington
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from New York to Washington, returning Wed, Aug 27, priced at $133 found 1 day ago
United
Tue, Oct 28 - Fri, Oct 31
LGA
New York
IAD
Washington
$133 Roundtrip, found 9 hours ago
$133
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Oct 28 from New York to Washington, returning Fri, Oct 31, priced at $133 found 9 hours ago
United
Wed, Oct 22 - Sun, Oct 26
LGA
New York
IAD
Washington
$135 Roundtrip, found 10 hours ago
$135
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Oct 22 from New York to Washington, returning Sun, Oct 26, priced at $135 found 10 hours ago
United
Tue, Nov 4 - Wed, Nov 5
LGA
New York
IAD
Washington
$137 Roundtrip, found 17 hours ago
$137
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Nov 4 from New York to Washington, returning Wed, Nov 5, priced at $137 found 17 hours ago
United
Tue, Jul 15 - Wed, Jul 16
LGA
New York
IAD
Washington
$138 Roundtrip, found 4 hours ago
$138
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Jul 15 from New York to Washington, returning Wed, Jul 16, priced at $138 found 4 hours ago
United
Thu, Aug 7 - Mon, Aug 11
LGA
New York
IAD
Washington
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 7 from New York to Washington, returning Mon, Aug 11, priced at $140 found 1 day ago
United
Tue, Jul 8 - Wed, Jul 16
LGA
New York
IAD
Washington
$144 Roundtrip, found 4 days ago
$144
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jul 8 from New York to Washington, returning Wed, Jul 16, priced at $144 found 4 days ago
Frontier Airlines
Fri, Jun 27 - Tue, Jul 8
LGA
New York
IAD
Washington
$156 Roundtrip, found 4 days ago
$156
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Jun 27 from New York to Washington, returning Tue, Jul 8, priced at $156 found 4 days ago
Delta
Tue, Nov 4 - Wed, Nov 5
LGA
New York
IAD
Washington
$303 Roundtrip, found 17 hours ago
$303
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Nov 4 from New York to Washington, returning Wed, Nov 5, priced at $303 found 17 hours ago

Find the cheapest month to fly from New York (LGA) to Washington (IAD)

March is typically the cheapest month to fly

From $91 - $273 per traveler.

Graph displaying average flight prices per month

Flights from New York (LGA) to Washington (IAD)
Origin airport
LaGuardia
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$129
Distance
227 mi
Average flight time
1 hour 28 mins

New York to Washington Flights

The cheapest times to fly from New York to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New York to Washington are during the month of July. You can find some of the cheapest flights from New York to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New York to Washington

Sunday is one of the best days to book for cheap flights from New York to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from New York to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New York to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New York to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your New York to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) cost?
Cheap return flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) start from $129. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving LGA on July 15 2025 and touching down at IAD. The price was last updated on June 18 2025 and has not changed since.
What is the cheapest month to fly from LGA to IAD?
The cheapest flights from LGA to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
If you're departing from LaGuardia Airport (LGA), you can get on a nonstop flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from LGA to IAD?
Fly from LGA to IAD with United. This airline currently has the lowest one-way fare for this route, starting at $65. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LGA on September 10 2025. Prices were last updated on June 18 2025 and have not changed since.
How many flights per day from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
When departing from LaGuardia Airport (LGA), you can pick from an average of 4 daily direct flights to Washington Dulles Intl. Airport (IAD).
What are the most popular departure times for flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
Flights between LGA and IAD are their busiest at 7 PM. If you want a quieter experience and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from LGA to IAD?
If you fly on a Friday, you'll get the largest range of choices for flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
Catch the earliest flight at around 6:00AM UTC-5, leaving from LaGuardia Airport (LGA). You'll be in the air for approximately 1h 25m, coming in to land at Washington Dulles Intl. Airport (IAD) at approximately 7:25AM UTC-5.
How long does it take to fly from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
The average flight time from LGA to IAD is 1 hour and 25 minutes, covering a total distance of 230 mi.
What airline has the least delays from LGA to IAD?
Consider traveling with Delta Air Lines if you'd like to fly straight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) without any delays. This airline has the strongest track record for punctuality, with an on-time score of 83%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from LaGuardia Airport (LGA)?
Take a direct flight from LaGuardia Airport (LGA) to Washington and arrive at Ronald Reagan Washington National Airport (DCA). Another entry point into this city is Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from LGA to IAD just before your trip is usually more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a LGA to IAD flight and hotel package?
Booking a LGA to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
If you reserved your LGA to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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