Direct flights from Washington Reagan National to Seattle
21 nonstop flights a week on 2 airlines. Zero layovers — one hop from DCA to SEA.
Flight time: about 5h9m nonstop
Which days does it fly?
When does it fly?
Departure times in Washington Reagan National local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Alaska ASA1 | 8:03a | 5h32m | Wed, Thu, Sat |
| Alaska ASA1 | 8:12a | 5h18m | Mon, Fri |
| Alaska ASA1 | 8:15a | 5h33m | Sun |
| Alaska ASA1 | 8:33a | 5h39m | Tue |
| Delta DAL786 | 4:50p | 5h9m | Thu |
| Delta DAL786 | 4:58p | 5h6m | Mon, Tue, Wed, Sat |
| Alaska ASA3 | 4:59p | 5h6m | Fri |
| Delta DAL786 | 5:07p | 5h | Fri |
| Alaska ASA3 | 5:09p | 5h8m | Wed, Sun |
| Delta DAL786 | 5:23p | 5h3m | Sun |
| Alaska ASA3 | 5:23p | 5h8m | Mon, Tue, Sat |
| Alaska ASA3 | 5:35p | 5h24m | Thu |
DeltaThe route
One hop: DCA → SEADrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Washington Reagan National (DCA) to Seattle (SEA)
Ronald Reagan Washington National Airport (DCA) has 21 nonstop flights a week to Seattle (SEA), operated by Alaska and Delta. No layovers, no connections — one hop out of DCA and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Washington Reagan National to Seattle?
The nonstop flight from Washington Reagan National (DCA) to Seattle (SEA) takes about 5h9m in the air, based on recently observed nonstop departures.