Airlines with flights from Seattle to Dulles

There are four airlines with scheduled flights between SEA and IAD. Delta, Alaska Airlines and United has non-stop flights from Seattle Airport to Dulles and the flight time is 5 hours.

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Schedules

Non-stop with Delta Air Lines

  • Total flight time: 5 hours
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 7 flights per week
  • Code 223
  • First class available
SEA
Direct
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
DL508
07:10
07:10
07:10
07:10
07:10
07:10
07:10
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CHECK PRICES FOR SEA - IAD

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

Non-stop with Alaska Airlines

  • Total flight time: 4 hours and 59 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 7 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
  • First class available
SEA
Direct
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
AS406
09:54
09:54
09:54
09:54
09:54
09:54
09:54
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

Non-stop with United Airlines

  • Total flight time: 4 hours and 59 minutes
  • Dulles is a United Airlines hub (Secondary hub).
  • 7 flights per week
  • Boeing 737-900 Passenger
  • First class available
SEA
Direct
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
UA1360
08:00
08:00
08:00
08:00
08:00
08:00
08:00
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

Via Atlanta with Delta Air Lines

  • Total flight time: 7h 03m - 9h 28m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 30 flights per week
  • Code 223
SEA
 
Via ATL
 
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
DL812
DL4069
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL569
DL1695
----
06:00
06:00
----
----
06:00
----
DL429
DL3931
07:20
07:20
07:20
07:20
07:20
07:20
07:20
DL562
DL2902
07:55
----
----
07:55
07:55
----
07:55
DL542
DL2549
11:55
11:55
11:55
11:55
11:55
11:55
11:55
DL941
DL4129
12:00
12:00
12:00
12:00
12:00
12:00
12:00
DL533
DL1681
13:30
13:30
13:30
13:30
13:30
13:30
13:30
DL1120
DL847
13:35
13:35
13:35
13:35
13:35
13:35
13:35
DL652
DL1444
23:15
23:15
23:15
23:15
23:15
23:15
23:15
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

Via Denver with United Airlines

  • Total flight time: 6h 47m - 11h 13m.
  • Dulles is a United Airlines hub (Secondary hub).
  • 25 flights per week
  • Boeing 737-900 Passenger
SEA
 
Via DEN
 
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
UA2269
UA2087
05:00
05:00
05:00
05:00
05:00
05:00
05:00
UA1373
UA2451
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA1829
UA347
09:00
09:00
09:00
09:00
09:00
09:00
09:00
UA747
UA444
11:05
11:05
11:05
11:05
11:05
11:05
11:05
UA1483
UA2408
12:35
12:35
12:35
12:35
12:35
12:35
12:35
UA341
UA4177
23:17
23:17
23:17
23:17
23:17
23:17
23:17
UA2019
UA2490
23:59
23:59
23:59
23:59
23:59
----
23:59
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

Via Chicago with United Airlines

  • Total flight time: 6h 30m - 13h 49m.
  • Dulles is a United Airlines hub (Secondary hub).
  • 25 flights per week
  • Boeing 737-900 Passenger
SEA
 
Via ORD
 
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
UA2269
UA2087
05:00
05:00
05:00
05:00
05:00
05:00
05:00
UA1373
UA2451
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA1829
UA347
09:00
09:00
09:00
09:00
09:00
09:00
09:00
UA747
UA444
11:05
11:05
11:05
11:05
11:05
11:05
11:05
UA1483
UA2408
12:35
12:35
12:35
12:35
12:35
12:35
12:35
UA341
UA4177
23:17
23:17
23:17
23:17
23:17
23:17
23:17
UA2019
UA2490
23:59
23:59
23:59
23:59
23:59
----
23:59
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

Via Dallas with American Airlines

  • Total flight time: 7h 15m - 9h 38m.
  • One World Alliance
  • 21 flights per week
SEA
 
Via DFW
 
IAD
 
Flight
Mon
Jan 27
Tue
Jan 28
Wed
Jan 29
Thu
Jan 30
Fri
Jan 31
Sat
Feb 1
Sun
Feb 2
AA2748
AA1863
05:22
05:22
05:22
05:22
05:22
05:22
05:22
AA381
AA5447
07:11
07:11
07:11
07:11
07:11
07:11
07:11
AA1534
AA413
10:31
----
----
10:31
10:31
----
10:31
AA2767
AA413
11:41
11:50
11:50
11:41
11:41
11:50
11:50
AA2407
AA5549
13:41
----
----
13:41
13:41
----
13:41
AA2793
AA5223
----
22:18
22:18
22:18
----
22:18
22:18
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - IAD

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

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