Airlines with flights from Seattle to Washington

There are four 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 10 minutes.

Choose airline

Schedules

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 10 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
  • Business and first class available
SEA
Direct
DCA

The timetable & schedule information was updated at 2025-01-15

Non-stop with Delta Air Lines

  • Total flight time: 5 hours and 6 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • A321neo
  • First class available
SEA
Direct
DCA

The timetable & schedule information was updated at 2025-01-15

Via Dallas with American Airlines

  • Total flight time: 7h 13m - 10h 01m.
  • One World Alliance
  • Washington is a American Airlines hub.
  • 40 flights per week
SEA
 
Via DFW
 
DCA
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
AA1645
AA1177
----
----
----
----
----
----
00:15
AA2037
AA1177
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----
----
----
00:15
00:15
23:59
AA1645
AA1624
----
----
----
----
----
----
00:15
AA2037
AA1623
----
----
----
----
00:15
00:15
23:59
AA2849
AA1623
00:25
----
----
----
----
----
----
AA2849
AA1177
00:25
----
----
----
----
----
----
AA2429
AA1623
----
00:40
----
----
----
----
----
AA2429
AA1177
00:59
00:40
00:43
00:59
00:59
00:59
00:59
AA2429
AA1624
----
----
----
----
----
----
00:59
AA2748
AA2443
05:22
05:22
05:22
05:22
05:22
05:22
05:22
AA1667
AA1629
07:00
07:00
07:00
07:00
07:00
07:00
07:00
AA381
AA1855
07:20
07:20
07:20
07:20
07:20
07:20
07:20
AA1534
AA2752
10:24
10:24
10:24
10:41
10:41
10:41
10:41
AA1534
AA472
10:24
10:24
10:24
10:41
10:41
10:41
10:41
AA3299
AA2752
11:54
11:54
11:54
11:56
11:56
----
11:55
AA2398
AA903
13:33
13:33
13:33
13:25
13:25
----
13:25
AA2407
AA1269
13:45
----
----
13:50
13:50
13:50
13:50
AA1992
AA1360
14:07
14:07
----
14:05
14:05
14:05
14:05
AA2793
AA3254
22:21
22:21
22:21
22:11
22:11
21:16
22:00
AA2793
AA1286
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----
22:21
22:11
22:11
21:16
22:00
AA2793
AA1160
22:21
22:21
----
----
----
----
----
AA2760
AA4608
----
----
----
----
----
22:57
----
AA2069
AA2345
23:59
----
----
----
----
----
----
AA2076
AA2345
----
----
----
23:59
23:59
23:59
23:59
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DCA

The timetable & schedule information was updated at 2025-01-15

Via Atlanta with Delta Air Lines

  • Total flight time: 7h 32m - 9h 37m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 28 flights per week
  • A321neo
SEA
 
Via ATL
 
DCA
 
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
DL1128
DL820
05:30
05:30
05:30
05:30
05:30
05:30
05:30
DL812
DL1454
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL569
DL950
06:15
06:15
06:15
06:15
06:15
06:15
06:00
DL569
DL850
06:15
06:15
06:15
06:15
06:15
06:15
06:00
DL943
DL2963
06:15
06:15
06:15
06:15
06:15
----
06:20
DL429
DL5699
07:10
07:10
07:10
07:10
07:10
07:10
07:15
DL536
DL2963
----
----
----
----
----
----
08:15
DL562
DL325
08:45
08:45
08:45
08:45
08:45
08:35
08:45
DL562
DL832
08:45
08:45
08:45
08:45
08:45
08:35
08:45
DL941
DL2961
12:00
12:00
12:00
12:00
12:00
12:10
12:00
DL941
DL2962
12:00
12:00
12:00
12:00
12:00
----
12:00
DL542
DL378
12:00
----
12:00
12:00
12:00
12:00
12:00
DL542
DL537
12:00
12:00
12:00
12:00
12:00
12:00
12:00
DL533
DL2073
13:30
13:30
13:30
13:30
13:30
----
13:30
DL567
DL926
----
----
----
----
----
----
22:30
DL452
DL4795
----
----
----
----
22:40
----
----
DL452
DL5750
22:55
22:55
22:55
22:55
----
22:55
22:56
DL810
DL1558
23:05
23:05
23:05
23:05
----
----
22:55
DL652
DL380
23:05
23:05
23:05
23:05
23:05
23:05
23:30
DL810
DL5762
----
----
----
----
23:05
----
----
DL810
DL2476
----
----
----
----
----
23:05
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - DCA