Using the online timetable is an easy way to look at all the direct flights Washington — Seattle
84 flights in a week
Departure and arrival times are local (Washington and Seattle)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 07:00 | 10:01 | mon, sat, sun | DL1015 | Delta Connection | 6h 1m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:00 | 10:03 | mon, tue, wed, sat, sun | DL1015 | Delta Connection | 6h 3m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:00 | 09:53 | mon, tue, wed, thu, sat, sun | AS351 | Alaska Airlines | 5h 53m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:05 | 10:05 | daily | AS351 | Alaska Airlines | 6h 0m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:30 | 10:29 | daily | DL1015 | Delta Connection | 5h 59m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 11:09 | daily | AS1 | Alaska Airlines | 6h 9m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 11:10 | mon, wed, thu, fri, sat, sun | AS1 | Alaska Airlines | 6h 10m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 11:05 | mon, tue, wed, sat | AS1 | Alaska Airlines | 6h 5m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:40 | 19:32 | thu | DL786 | Delta Connection | 5h 52m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:40 | 19:34 | mon, tue, thu, sun | DL786 | Delta Connection | 5h 54m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:44 | 19:43 | mon, wed, thu, fri, sat | DL779 | Delta Connection | 5h 59m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:00 | 20:11 | tue, wed, thu, fri, sat, sun | AS3 | Alaska Airlines | 6h 11m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:00 | 20:02 | mon, tue, sun | AS3 | Alaska Airlines | 6h 2m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:01 | 20:07 | daily | AS3 | Alaska Airlines | 6h 6m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:55 | 20:53 | daily | UA326 | United Express | 5h 58m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:27 | 21:35 | mon, thu, fri, sun | AS406 | Alaska Airlines | 6h 8m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 19:11 | 22:02 | mon, fri | AS737 | Alaska Airlines | 5h 51m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |