£70 Cheap United flights from New York to Washington (LGA→IAD)

View £70 flight on Sat, 11 Jul 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

United flights from New York to Washington (LGA→IAD)

Prices were available within the past 7 days and start at £70 for one-way flights and £139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 11 Jun - Sat, 20 Jun
LGA
New York
IAD
Washington
£139 Return, found 3 days ago
£139
Return
found 3 days ago
Select United flight, departing Thu, 11 Jun from New York to Washington, returning Sat, 20 Jun, priced at £139 found 3 days ago
United
Mon, 15 Jun - Sat, 20 Jun
LGA
New York
IAD
Washington
£142 Return, found 3 days ago
£142
Return
found 3 days ago
Select United flight, departing Mon, 15 Jun from New York to Washington, returning Sat, 20 Jun, priced at £142 found 3 days ago
United
Mon, 15 Jun - Mon, 22 Jun
LGA
New York
IAD
Washington
£146 Return, found 3 days ago
£146
Return
found 3 days ago
Select United flight, departing Mon, 15 Jun from New York to Washington, returning Mon, 22 Jun, priced at £146 found 3 days ago
United
Sun, 22 Feb - Sun, 1 Mar
LGA
New York
IAD
Washington
£149 Return, found 4 days ago
£149
Return
found 4 days ago
Select United flight, departing Sun, 22 Feb from New York to Washington, returning Sun, 1 Mar, priced at £149 found 4 days ago
United
Wed, 25 Feb - Wed, 4 Mar
LGA
New York
IAD
Washington
£153 Return, found 1 day ago
£153
Return
found 1 day ago
Select United flight, departing Wed, 25 Feb from New York to Washington, returning Wed, 4 Mar, priced at £153 found 1 day ago
United
Sun, 22 Feb - Sun, 1 Mar
LGA
New York
IAD
Washington
£178 Return, found 4 days ago
£178
Return
found 4 days ago
Select United flight, departing Sun, 22 Feb from New York to Washington, returning Sun, 1 Mar, priced at £178 found 4 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £87
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city centre8 min
Flights from £87

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

March is typically the cheapest month to fly

From £69 - £221 per traveller.
Flight from New York to Washington route information
Origin airport
LaGuardia
Destination airport
Washington Dulles Intl.
Airlines serving
United
Popular airline
United
Distance
364 km
Average flight time
1 hour 28 mins

The Annual Holiday Sale

Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much is a United Airlines flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
You can find affordable round-trip United Airlines flights from £139 from LGA to IAD by organising your results from "Price (lowest to highest)" on Expedia. Or search for bargains from £70 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LGA to IAD with United Airlines?
United Airlines flights to Washington tend to be cheaper in the off-peak months of January and February. Whether you're after a one-way or a return ticket, you could find a better deal then.
Does United Airlines fly nonstop from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
United Airlines has direct flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD), with 28 departures each week. Simply apply the "Nonstop" and "Airline" filters during your search on Expedia to show all direct United Airlines flights to IAD.
How long does it take to fly from LGA to IAD with United Airlines?
On average, it takes 1h 25m to travel nonstop from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) with United Airlines.
Which day of the week has the most United Airlines flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
Saturday has the most United Airlines flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD). With 4 daily departures, this is the best day to book something that will suit your schedule.
What airports does United Airlines fly into in Washington?
Many United Airlines flights from LaGuardia Airport (LGA) to Washington land at Washington Dulles Intl. Airport (IAD). This is the airline's main entry point to this destination. It's also worth checking Expedia for flights to nearby airports like Ronald Reagan Washington National Airport (DCA), as fares may be lower.
What type of plane does United Airlines fly from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
United Airlines usually flies Embraer 175 planes for flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD). This airline also operates the Embraer 170 on this route. Bear in mind that aircraft type can change due to operational needs, so the plane you catch might be different on the day you travel.
Can I change or cancel my United Airlines flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD)?
You can usually reschedule or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Need to keep your options open? Make use of Expedia's "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to adjust your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.

Explore a world of travel with Expedia

*Available to Expedia members.