Flights from Washington Dulles to Seattle
- Flights a week
- <1
- Flight time
- 3 h 27 min
- Distance
- 3,702 km
Schedule, today's status and punctuality of flights from Washington Dulles to Seattle, from the official airport boards. Times are local to each airport.
Flights on 4 October 2026
| Flight | Departure | Arrival | Status |
|---|---|---|---|
 AS409Alaska Airlines | 09:44 | Landed | |
 DL1015Delta Air Lines | 10:05 | Landed | |
| AS375Alaska Airlines | 10:05 | Landed | |
 UA1824United Airlines | 12:20 | Landed | |
 MU8778China Eastern | — | 10:05 | Landed |
| AS737Alaska Airlines | 17:33 | Scheduled | |
| UA1128United Airlines | 17:45 | — | Scheduled |
Local times: departure in the departure airport's time, arrival in the arrival airport's. Struck through: the scheduled time.
Flight numbers from Washington Dulles to Seattle
From the last 28 days of boards: usual departure time, the weekdays it flew and the share of on-time departures (within 15 min).
Common questions
- Which airlines fly from Washington Dulles to Seattle?
- Alaska Airlines, Delta Air Lines, United Airlines, China Eastern.
- How many flights a week are there from Washington Dulles to Seattle?
- About <1 a week over the last 28 days of boards. Flight numbers on the route: 7.
- How long is the flight from Washington Dulles to Seattle?
- About 3 h 27 min by the schedule. The airports are 3702 km apart.
Airports
- Departure: Washington Dulles (IAD)
- Arrival: Seattle (SEA)
- Return flights from Seattle to Washington Dulles <1 a week