$65 Cheap United flights New York (LGA) to Washington (IAD)

Scoring cheap one-way United Airlines flights from LGA to IAD from $65 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $129 for your next exciting adventure.**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.

United Airlines flights to Washington are often more affordable in the quieter months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could score a better deal then.

Start searching one to three months ahead of your travel date to score cheap fares on United Airlines flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Jet off on one of United Airlines’s 28 weekly direct flights from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD). To view available options, enter your origin, dates and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

The journey time for a direct United Airlines flight from LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) typically takes 1h 25m.

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 of the week to book something that will suit your schedule.

Departing LGA at 6:00AM UTC-5, the earliest United Airlines flight to IAD lands at 7:25AM UTC-5. Traveling earlier in the day means you’ll be less likely to encounter delays.* Not a morning person? The last United Airlines flight from LGA to IAD departs at 7:29PM UTC-5 and touches down at 8:54PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

The majority of 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 city. It’s worth checking Expedia for flights to nearby airports such as Ronald Reagan Washington National Airport (DCA), as fares may be lower.

Fly from LGA to IAD with United Airlines and you’ll enjoy a range of perks including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the LaGuardia Airport (LGA) to Washington Dulles Intl. Airport (IAD) route, United Airlines typically uses Embraer 175 and Embraer 170 planes. Keep in mind that last-minute changes are possible for operational demands, so your flight may be on another aircraft.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that. For further details about altering your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to adjust your plans without additional costs, tick the “Changes included” and “No cancel fee” filters when planning your next trip.