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 11min
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
Starts 06/06
Via Las Vegas
8h 35min
NEW
Starts 11/06
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 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
-
Business and first class available
SEA
Direct
DCA
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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 11 minutes
-
Sky Team Alliance
-
Seattle is a Delta Air Lines hub.
-
7 flights per week
-
Airbus A321neo
-
Business and first class available
SEA
Direct
DCA
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3483
WN2761
WN2761
----
05:00
05:00
----
----
----
----
WN4407
WN324
WN324
----
----
----
----
----
----
05:15
WN2810
WN2761
WN2761
05:30
----
----
05:30
05:30
----
----
WN2810
WN979
WN979
----
----
----
----
----
06:15
----
WN3081
WN4496
WN4496
11:45
----
----
11:45
11:45
----
----
WN2304
WN4976
WN4976
23:05
23:05
23:05
23:05
23:05
23:05
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL812
DL1454
DL1454
05:30
05:30
05:30
05:30
05:30
05:30
05:30
DL1706
DL2073
DL2073
11:50
11:50
11:50
11:50
11:50
----
11:50
DL1706
DL5788
DL5788
----
----
----
----
----
11:50
----
DL2434
DL1558
DL1558
21:45
21:45
21:45
21:45
21:45
21:45
21:45
DL810
DL1558
DL1558
23:10
23:10
23:10
23:10
23:10
23:10
23:10
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2618
UA1314
UA1314
07:00
07:00
07:00
07:00
07:00
07:00
07:00
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN5111
WN3907
WN3907
----
----
----
----
----
08:10
----
WN3632
WN3907
WN3907
09:00
09:30
09:30
09:00
09:00
----
----
WN140
WN3908
WN3908
----
----
----
----
----
----
11:00
The timetable & schedule information was updated at 2026-04-22
Via Chicago with American Airlines
Via Boston with JetBlue