Using the online timetable is an easy way to look at all the direct flights Washington — Seattle
143 flights in a week
Departure and arrival times are local (Washington and Seattle)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 06:30 | 09:17 | daily | AS351 | Alaska Airlines | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:00 | 09:40 | mon, tue, wed, thu, fri, sat | AS351 | Alaska Airlines | 5h 40m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:30 | 10:17 | mon, tue, wed, thu, fri, sat | DL1015 | Delta Connection | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:35 | 10:20 | tue, fri, sat | DL1015 | Delta Connection | 5h 45m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 07:40 | 10:28 | daily | DL1015 | Delta Connection | 5h 48m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 10:56 | tue | AS1 | Alaska Airlines | 5h 56m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 10:53 | mon, tue, wed, fri, sat | AS1 | Alaska Airlines | 5h 53m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 10:49 | daily | AS1 | Alaska Airlines | 5h 49m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 08:46 | 11:38 | mon, tue, wed, thu, fri, sat | UA2005 | United Airlines | 5h 52m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 08:46 | 11:39 | sun | UA2005 | United Airlines | 5h 53m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:00 | 11:39 | daily | AS396 | Alaska Airlines | 5h 39m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:00 | 11:47 | mon, wed, thu, fri | AS375 | Alaska Airlines | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:00 | 11:50 | mon, thu, fri, sat, sun | UA2729 | United Airlines | 5h 50m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:00 | 11:43 | tue, wed, sat | AS375 | Alaska Airlines | 5h 43m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:12 | 12:02 | fri | UA1734 | United Airlines | 5h 50m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 10:00 | 12:40 | daily | AS375 | Alaska Airlines | 5h 40m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 13:05 | 15:51 | tue, wed, thu, fri, sat | UA1914 | United Airlines | 5h 46m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 16:40 | 19:38 | tue, wed, thu, sun | DL786 | Delta Connection | 5h 58m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:50 | 19:51 | sat | DL786 | Delta Connection | 6h 1m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:59 | 19:50 | mon, wed, thu, fri, sat, sun | DL1446 | Delta Connection | 5h 51m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 16:59 | 19:54 | tue, wed, sat | DL1446 | Delta Connection | 5h 55m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:02 | 20:00 | daily | AS3 | Alaska Airlines | 5h 58m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:06 | 19:56 | mon, wed, thu, fri, sat, sun | AS3 | Alaska Airlines | 5h 50m | Ronald Reagan National Airport — Seattle-Tacoma International Airport | Select dates |
| 17:48 | 20:41 | daily | UA326 | United Airlines | 5h 53m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 17:55 | 20:48 | mon, wed, thu, sat | UA326 | United Airlines | 5h 53m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 17:55 | 20:42 | mon, thu, fri, sat | UA326 | United Airlines | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:09 | 20:51 | mon, thu, fri, sat | AS416 | Alaska Airlines | 5h 42m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:09 | 20:56 | mon, fri, sat | AS416 | Alaska Airlines | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:13 | 21:00 | daily | AS406 | Alaska Airlines | 5h 47m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |
| 22:06 | 00:56 | mon, tue, wed, thu, sat, sun | UA716 | United Airlines | 5h 50m | Washington Dulles International Airport — Seattle-Tacoma International Airport | Select dates |