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Due to the effect of the current situation on air traffic, fewer offers are being submitted. Some offers might now no longer be available.
Outbound flight: 02/07/21
08:40 SEA
19:04 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
Delta Air Lines
Return flight: 02/21/21
15:05 WAS
22:38 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
$312
Offers unavailable
Outbound flight: 02/07/21
07:00 SEA
16:49 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
United Airlines
Return flight: 02/21/21
17:45 WAS
22:03 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$326
Offers unavailable
Outbound flight: 02/07/21
07:00 SEA
16:49 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
United Airlines
Return flight: 02/21/21
18:00 WAS
00:51 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$326
Offers unavailable
Outbound flight: 02/07/21
07:12 SEA
18:30 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
17:45 WAS
22:03 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
23:30 SEA
10:55 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
17:45 WAS
22:03 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
23:05 SEA
08:45 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
18:00 WAS
00:51 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
09:15 SEA
20:35 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
17:45 WAS
22:03 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
11:00 SEA
20:43 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
18:00 WAS
00:51 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
07:12 SEA
18:30 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
17:45 WAS
22:03 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
Outbound flight: 02/07/21
11:00 SEA
20:43 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
Return flight: 02/21/21
18:00 WAS
00:51 SEA
Washington-DC
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
$330
Offers unavailable
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
85 % of travelers choose to book flights on this route with Alaska Airlines, United Airlines and Delta.
Alaska Airlines
37 %
United Airlines
37 %
Delta
11 %
Direct flights are cheaper
Compared to flights with a stopover, direct flights are $86.00 cheaper on this route.
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.