Seattle to Washington flights
Seattle-Tacoma International (SEA), United States → Washington Dulles International (IAD), United States
Set a price watch there and get an email or notification when the fare drops.
Cheapest dates in the next few weeks
| Tue 8 Dec | $224 |
| Wed 2 Dec | $226 |
| Tue 5 Jan | $232 |
| Wed 6 Jan | $237 |
| Wed 25 Nov | $241 |
One-way economy, estimated by Flight Wiki's fare model; typical day about $326. Prices change often, so check live prices before booking.
Questions
How long is the flight from Seattle to Washington?
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 Seattle to Washington?
One-way economy fares are estimated between $224 and $453 over the coming weeks, about $326 on a typical day. Check live prices before you book.
What is the cheapest day to fly from Seattle to Washington?
In our estimates Wednesday is usually the cheapest day. The cheapest dates right now are Tue 8 Dec, Wed 2 Dec, Tue 5 Jan.
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