Flights from Seattle Tacoma to Washington DC

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Outbound flight: 05/09/23
08:20 SEA
16:27 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Delta Air Lines
Return flight: 05/12/23
11:27 WAS
16:07 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$374
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Outbound flight: 05/09/23
08:20 SEA
16:27 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Delta Air Lines
Return flight: 05/12/23
08:05 WAS
11:00 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
$379
Check
Outbound flight: 05/09/23
08:20 SEA
16:27 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Delta Air Lines
Return flight: 05/12/23
08:05 WAS
11:00 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
$379
Check
Outbound flight: 05/09/23
15:55 SEA
23:59 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
18:50 WAS
23:11 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$413
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Outbound flight: 05/09/23
15:55 SEA
23:59 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
18:50 WAS
23:11 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$413
Check
Outbound flight: 05/09/23
15:55 SEA
23:59 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
08:05 WAS
11:00 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
$419
Check
Outbound flight: 05/09/23
09:20 SEA
17:24 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
18:50 WAS
23:11 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$465
Check
Outbound flight: 05/09/23
09:20 SEA
17:24 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
08:05 WAS
11:00 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
$472
Check
Outbound flight: 05/09/23
09:20 SEA
17:24 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
Return flight: 05/12/23
08:05 WAS
11:00 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
$472
Check
Outbound flight: 05/09/23
23:59 SEA
11:54 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 05/12/23
18:50 WAS
23:11 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$571
Check
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to Washington DC

Favorite airline: e.g. Alaska Airlines, United Airlines
The majority of passengers on the route Seattle-Tacoma – Washington-DC prefer to fly with Alaska Airlines.
Alaska Airlines
37 %
United Airlines
37 %
Delta
11 %
Direct flights are cheaper
On this route, direct flights are $86.00 cheaper than flights with a stopover.
non stop flight
1 stop
05h 00min
09h 04min
$311
$397
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 94 % of travelers will book a direct flight.
Route
bookings
Direct flights
05h 00min, from $311
94 %
1 stopover Salt Lake City International Airport, UT
09h 04min, from $397
6 %
Flight information Seattle-Tacoma - Washington-DC
Alternative flight routes
Cheap direct flights
Flight details Seattle-Tacoma - Washington-DC
  • Flight duration: min. 04:41 / max. 08:20
  • Distance: 3741 km
  • Flights per week: 47
  • Return flight duration: min. 05:50 / max. 06:15
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.