Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Washington Dulles Intl. |
Distance | 3679 km |
Average flight time | 8 hours 5 mins |
Frequently asked questions
How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD)?
Grab cheap round-trip United Airlines flights from SEA to IAD by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains 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 SEA to IAD with United Airlines?
Browse for round-trip or one-way flights to Washington in January or February. You could find lower fares with United Airlines during these off-peak months.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD)?
United Airlines offers direct flights from Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD), with 7 weekly departures. Simply choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to IAD.
How long does it take to fly from SEA to IAD with United Airlines?
Depart Seattle - Tacoma Intl. Airport (SEA) for Washington Dulles Intl. Airport (IAD) on a nonstop United Airlines flight, and you'll be airborne for about 5h 6m.
What airports does United Airlines fly into in Washington?
United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Washington land at Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI). The main Washington hub serviced by this carrier is IAD. It's always worth exploring flights landing at other nearby airports on Expedia as they may have cheaper prices.
What type of plane does United Airlines fly from Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD)?
For the Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD) route, United Airlines typically operates Boeing 737-900 and Boeing 737-800 planes. Don't forget that last-minute changes are possible for operational reasons, meaning your flight could be on another aircraft.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Washington Dulles Intl. Airport (IAD)?
Depending on your fare type, a fee is typically charged if you modify or cancel your flight more than 24 hours after it's confirmed. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. For more details on modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."