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Outbound flight: 09/09/21
15:47 SEA
23:47 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
direct
Alaska Airlines
$95
Check
Outbound flight: 09/07/21
23:50 SEA
13:55 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$101
Check
Outbound flight: 09/08/21
23:50 SEA
11:38 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$101
Check
Outbound flight: 09/07/21
23:50 SEA
13:55 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$101
Check
Outbound flight: 09/08/21
18:03 SEA
05:08 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$101
Check
Outbound flight: 09/09/21
18:03 SEA
05:08 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$102
Check
Outbound flight: 09/09/21
12:35 SEA
23:36 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$102
Check
Outbound flight: 09/09/21
18:03 SEA
05:08 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$102
Check
Outbound flight: 09/09/21
08:40 SEA
19:15 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$102
Check
Outbound flight: 09/09/21
23:25 SEA
10:09 WAS
Seattle-Tacoma International Airport, WA
Washington-DC
1 Stopover
United Airlines
$103
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
Alaska Airlines is the most popular airline for flights from Seattle-Tacoma to Washington-DC.
Alaska Airlines
37 %
United Airlines
37 %
Delta
11 %
Direct flights are the cheapest connection
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
Direct 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.