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
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Total flight time: 5 hours and 10 minutes
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One World Alliance
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Seattle is a Alaska Airlines hub (Primary hub).
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14 flights per week
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Boeing 737-800 (winglets) Passenger/BBJ2
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Business and first class available
SEA
Direct
DCA
W10, Mar 03 - Mar 09
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
AS4
08:15
08:15
08:15
08:15
08:15
08:15
08:15
AS2
14:05
14:05
14:05
14:05
14:05
14:05
14:05
The timetable & schedule information was updated at 2025-01-15

Non-stop with Delta Air Lines
-
Total flight time: 5 hours and 6 minutes
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Sky Team Alliance
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Seattle is a Delta Air Lines hub.
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A321neo
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First class available
SEA
Direct
DCA
W10, Mar 03 - Mar 09
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
DL786
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07:23
The timetable & schedule information was updated at 2025-01-15

Via Dallas with American Airlines
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Total flight time: 7h 13m - 10h 01m.
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One World Alliance
-
Washington is a American Airlines hub.
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40 flights per week
SEA
Via DFW
DCA
W10, Mar 03 - Mar 09
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
AA1645
AA1177
AA1177
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----
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00:15
AA2037
AA1177
AA1177
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----
00:15
00:15
23:59
AA1645
AA1624
AA1624
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----
----
----
----
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00:15
AA2037
AA1623
AA1623
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----
----
----
00:15
00:15
23:59
AA2849
AA1623
AA1623
00:25
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----
----
----
----
----
AA2849
AA1177
AA1177
00:25
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----
----
----
----
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AA2429
AA1623
AA1623
----
00:40
----
----
----
----
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AA2429
AA1177
AA1177
00:59
00:40
00:43
00:59
00:59
00:59
00:59
AA2429
AA1624
AA1624
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----
----
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00:59
AA2748
AA2443
AA2443
05:22
05:22
05:22
05:22
05:22
05:22
05:22
AA1667
AA1629
AA1629
07:00
07:00
07:00
07:00
07:00
07:00
07:00
AA381
AA1855
AA1855
07:20
07:20
07:20
07:20
07:20
07:20
07:20
AA1534
AA2752
AA2752
10:24
10:24
10:24
10:41
10:41
10:41
10:41
AA1534
AA472
AA472
10:24
10:24
10:24
10:41
10:41
10:41
10:41
AA3299
AA2752
AA2752
11:54
11:54
11:54
11:56
11:56
----
11:55
AA2398
AA903
AA903
13:33
13:33
13:33
13:25
13:25
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13:25
AA2407
AA1269
AA1269
13:45
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----
13:50
13:50
13:50
13:50
AA1992
AA1360
AA1360
14:07
14:07
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14:05
14:05
14:05
14:05
AA2793
AA3254
AA3254
22:21
22:21
22:21
22:11
22:11
21:16
22:00
AA2793
AA1286
AA1286
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22:21
22:11
22:11
21:16
22:00
AA2793
AA1160
AA1160
22:21
22:21
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AA2760
AA4608
AA4608
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----
22:57
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AA2069
AA2345
AA2345
23:59
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AA2076
AA2345
AA2345
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23:59
23:59
23:59
23:59
The timetable & schedule information was updated at 2025-01-15

Via Atlanta with Delta Air Lines
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Total flight time: 7h 32m - 9h 37m.
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Sky Team Alliance
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Seattle is a Delta Air Lines hub.
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28 flights per week
-
A321neo
SEA
Via ATL
DCA
W10, Mar 03 - Mar 09
Flight
Mon
Mar 3
Tue
Mar 4
Wed
Mar 5
Thu
Mar 6
Fri
Mar 7
Sat
Mar 8
Sun
Mar 9
DL1128
DL820
DL820
05:30
05:30
05:30
05:30
05:30
05:30
05:30
DL812
DL1454
DL1454
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL569
DL950
DL950
06:15
06:15
06:15
06:15
06:15
06:15
06:00
DL569
DL850
DL850
06:15
06:15
06:15
06:15
06:15
06:15
06:00
DL943
DL2963
DL2963
06:15
06:15
06:15
06:15
06:15
----
06:20
DL429
DL5699
DL5699
07:10
07:10
07:10
07:10
07:10
07:10
07:15
DL536
DL2963
DL2963
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08:15
DL562
DL325
DL325
08:45
08:45
08:45
08:45
08:45
08:35
08:45
DL562
DL832
DL832
08:45
08:45
08:45
08:45
08:45
08:35
08:45
DL941
DL2961
DL2961
12:00
12:00
12:00
12:00
12:00
12:10
12:00
DL941
DL2962
DL2962
12:00
12:00
12:00
12:00
12:00
----
12:00
DL542
DL378
DL378
12:00
----
12:00
12:00
12:00
12:00
12:00
DL542
DL537
DL537
12:00
12:00
12:00
12:00
12:00
12:00
12:00
DL533
DL2073
DL2073
13:30
13:30
13:30
13:30
13:30
----
13:30
DL567
DL926
DL926
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----
----
----
----
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22:30
DL452
DL4795
DL4795
----
----
----
----
22:40
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----
DL452
DL5750
DL5750
22:55
22:55
22:55
22:55
----
22:55
22:56
DL810
DL1558
DL1558
23:05
23:05
23:05
23:05
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22:55
DL652
DL380
DL380
23:05
23:05
23:05
23:05
23:05
23:05
23:30
DL810
DL5762
DL5762
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----
23:05
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DL810
DL2476
DL2476
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23:05
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