Direct flights from Seattle to Baltimore
21 nonstop flights a week on 2 airlines. Zero layovers — one hop from SEA to BWI.
Flight time: about 4h34m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA3525 | 12:04a | 4h52m | Mon |
| Alaska ASA378 | 10:18a | 4h29m | Tue, Thu |
| Alaska ASA378 | 10:28a | 4h42m | Mon, Sat |
| Alaska ASA378 | 10:38a | 4h29m | Sun |
| Alaska ASA378 | 11:00a | 4h16m | Wed |
| Alaska ASA378 | 11:07a | 4h31m | Fri |
| Alaska ASA781 | 10:29p | 4h40m | Tue, Sat |
| Alaska ASA781 | 10:40p | 4h38m | Wed, Fri, Sun |
| Alaska ASA781 | 10:48p | 4h39m | Mon |
| Southwest SWA3525 | 10:52p | 4h49m | Fri |
| Alaska ASA781 | 10:57p | 4h23m | Thu |
| Southwest SWA3525 | 10:59p | 4h43m | Sat |
| Southwest SWA3525 | 11:09p | 4h25m | Wed |
| Southwest SWA3525 | 11:34p | 4h34m | Tue |
| Southwest SWA3525 | 11:53p | 4h30m | Mon, Thu |
SouthwestThe route
One hop: SEA → BWIDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Baltimore (BWI)
Seattle–Tacoma International Airport (SEA) has 21 nonstop flights a week to Baltimore (BWI), operated by Alaska and Southwest. No layovers, no connections — one hop out of SEA 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 Seattle to Baltimore?
The nonstop flight from Seattle (SEA) to Baltimore (BWI) takes about 4h34m in the air, based on recently observed nonstop departures.
How long does it take to drive from Seattle to Baltimore?
Driving from Seattle to Baltimore takes about 40h 18m behind the wheel — roughly 2,764 miles, or about 4 days of real driving. The nonstop flight takes about 4h34m.