Washington to Seattle flights
Washington Dulles International (IAD), United States → Seattle-Tacoma International (SEA), United States
Set a price watch there and get an email or notification when the fare drops.
Cheapest dates in the next few weeks
| Thu 10 Dec | $229 |
| Sat 5 Dec | $240 |
| Wed 9 Dec | $246 |
| Wed 6 Jan | $249 |
| Thu 3 Dec | $251 |
One-way economy, estimated by Flight Wiki's fare model; typical day about $314. Prices change often, so check live prices before booking.
Questions
How long is the flight from Washington to Seattle?
About 5h 04m nonstop. The distance is 3,701 km (2,300 miles). Flights with a stop take longer.
How much is a flight from Washington to Seattle?
One-way economy fares are estimated between $229 and $444 over the coming weeks, about $314 on a typical day. Check live prices before you book.
What is the cheapest day to fly from Washington to Seattle?
In our estimates Tuesday is usually the cheapest day. The cheapest dates right now are Thu 10 Dec, Sat 5 Dec, Wed 9 Dec.
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