Airlines with flights from Seattle to Washington
There are 6 airlines with scheduled flights between SEA and DCA. Both Alaska Airlines and Delta operates non-stop flights from Seattle Airport to Reagan National and the flight time is 5 hours and 13 minutes.
There are 6 airlines with scheduled flights between SEA and DCA. Both Alaska Airlines and Delta operates non-stop flights from Seattle Airport to Reagan National and the flight time is 5 hours and 13 minutes. Choose airline
Direct
Non-stop
5h 13min
Direct
Non-stop
5h 7min
Via Chicago
6h 20min
Via Detroit
6h 23min
Via Chicago
6h 25min
Via Saint Louis
6h 25min
Via Minneapolis
6h 26min
Via Chicago
6h 43min
Via Denver
6h 49min
Via Atlanta
7h 6min
Via Charlotte
7h 10min
Via New York
7h 24min
Via Salt Lake City
7h 25min
Via Dallas
7h 34min
Via Philadelphia
7h 39min
Via New York
8h 20min
Via Dallas
8h 20min
Via Denver
8h 55min
NEW
Via Nashville
6h 40min
Via Las Vegas
8h 35min
NEW
Via Boston
8h 25min
Starts 03/10
Via Sacramento
11h 10min
Schedules
Non-stop with Alaska Airlines
-
Total flight time: 5 hours and 13 minutes
-
One World Alliance
-
Seattle is a Alaska Airlines hub (Primary hub).
-
14 flights per week
-
Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2
-
Business and first class available
SEA
Direct
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS4
08:00
08:00
08:00
08:00
08:00
08:00
08:00
AS2
13:46
13:46
13:46
13:46
13:46
13:46
13:46
The timetable & schedule information was updated at 2026-04-22
Non-stop with Delta Air Lines
-
Total flight time: 5 hours and 7 minutes
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
7 flights per week
-
Airbus A321neo
-
First class available
SEA
Direct
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL786
07:20
07:20
07:20
07:20
07:20
07:20
07:20
The timetable & schedule information was updated at 2026-04-22
Via Chicago with Southwest Airlines
-
Total flight time: 6h 20m - 11h 35m.
-
Low-cost airline
-
40 flights per week
SEA
Via MDW
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN662
WN820
WN820
----
----
----
05:15
05:15
----
----
WN1396
WN3946
WN3946
----
05:20
05:20
----
----
----
----
WN409
WN1415
WN1415
----
----
----
----
----
05:30
----
WN2810
WN2761
WN2761
05:30
----
----
----
----
----
----
WN2194
WN2596
WN2596
----
----
----
----
----
----
05:40
WN3081
WN4496
WN4496
11:45
----
----
----
----
----
----
WN3534
WN2608
WN2608
----
23:05
----
----
23:05
23:05
----
WN3534
WN3100
WN3100
----
----
23:05
23:05
----
----
23:05
WN2304
WN2608
WN2608
23:05
----
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-22
Via Detroit with Delta Air Lines
-
Total flight time: 6h 23m - 8h 57m.
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
82 flights per week
-
Airbus A321neo
SEA
Via DTW
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL812
DL1454
DL1454
05:20
05:20
05:20
05:20
05:20
05:20
05:20
DL1706
DL2073
DL2073
11:20
11:20
11:20
11:20
11:20
11:20
11:20
DL2434
DL1558
DL1558
21:45
21:45
21:45
21:45
21:45
21:45
21:45
DL810
DL1558
DL1558
23:11
23:11
23:11
23:11
23:11
23:11
23:11
The timetable & schedule information was updated at 2026-04-22
Via Chicago with United Airlines
-
Total flight time: 6h 25m - 9h 13m.
-
139 flights per week
SEA
Via ORD
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA2618
UA1314
UA1314
07:01
07:01
07:01
07:01
07:01
07:01
07:01
UA2835
UA1369
UA1369
10:52
10:52
10:52
10:52
10:52
10:52
10:52
UA2279
UA482
UA482
22:40
UA2279
UA1077
UA1077
22:40
22:40
22:40
22:40
----
22:40
22:40
UA747
UA482
UA482
23:52
23:52
23:52
23:52
23:52
23:52
23:52
The timetable & schedule information was updated at 2026-04-22
Via Saint Louis with Southwest Airlines
-
Total flight time: 6h 25m - 9h 20m.
-
Low-cost airline
-
1 flights per week
SEA
Via STL
DCA
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN3632
WN3907
WN3907
09:00
----
----
----
----
----
----
WN4060
WN3825
WN3825
----
----
----
----
----
----
11:20
WN2631
WN3825
WN3825
----
----
----
12:05
12:05
----
----
The timetable & schedule information was updated at 2026-04-22
Via Chicago with American Airlines
Via Boston with JetBlue