Flights from Washington, D.C. (IAD) to Seattle (SEA)
Flights between these two airports as observed by the map.flights network, and scheduled departures listed on airport boards. Times are local.
- Route
- Washington Dulles International Airport (IAD/KIAD) → Seattle–Tacoma International Airport (SEA/KSEA)
Today's flights · 2026-10-27
- DL1015 (DAL1015) · Delta Air Lines · 07:04 · observed
- AS409 (ASA409) · Alaska Airlines · 07:12 · observed
- AS375 (ASA375) · Alaska Airlines · 09:53 · observed
- AS409 (ASA409) · Alaska Airlines · 11:17 → 09:11 · observed
- DL1015 (DAL1015) · Delta Air Lines · 11:20 → 09:13 · observed
- AS375 (ASA375) · Alaska Airlines · 13:51 → 11:48 · observed
Regular flights on this route
- AS737 (ASA737) · Alaska Airlines
- UA1824 (UAL1824) · United Airlines