Airlines with flights from Dulles to Seattle

There are three airlines with scheduled flights between IAD and SEA. Alaska Airlines, United and Delta has non-stop flights from Dulles to Seattle Airport and the flight time is 5 hours and 45 minutes.

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Schedules

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 45 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 30 flights per week
  • Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 9 Passenger
  • Business and first class available
IAD
Direct
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
AS499
07:00
07:00
07:00
07:00
07:00
07:00
07:00
AS419
09:05
09:05
09:05
09:05
09:05
09:05
09:05
AS351
15:45
15:45
15:45
15:45
15:45
15:45
15:45
AS406
18:10
18:10
18:10
18:10
18:10
18:10
18:51
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CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Non-stop with United Airlines

  • Total flight time: 5 hours and 47 minutes
  • Dulles is a United Airlines hub (Secondary hub).
  • 14 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-700 Passenger
    Boeing 737-900 Passenger
  • First class available
IAD
Direct
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
UA1964
08:40
08:40
08:40
08:40
08:40
08:40
08:40
UA1932
12:35
12:35
12:35
12:35
12:35
12:35
12:35
UA326
17:23
17:23
17:23
17:23
17:23
17:23
17:23
UA1893
22:15
22:15
22:15
22:15
22:15
22:15
22:15
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Non-stop with Delta Air Lines

  • Total flight time: 5 hours and 54 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 14 flights per week
  • Code 223
  • First class available
IAD
Direct
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
DL639
07:30
07:30
07:30
07:30
07:30
07:30
07:30
DL952
17:39
17:39
17:39
17:39
17:39
17:39
17:39
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Via Atlanta with Delta Air Lines

  • Total flight time: 7h 34m - 10h 22m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 38 flights per week
  • Code 223
IAD
 
Via ATL
 
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
DL2550
DL774
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL2067
DL857
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL3898
DL751
06:18
06:18
06:18
06:18
06:18
06:18
06:18
DL2846
DL774
07:00
07:00
07:00
07:00
07:00
07:00
07:00
DL511
DL1649
07:15
07:15
07:15
07:15
07:15
07:15
07:15
DL3971
DL728
09:40
09:40
09:40
09:40
09:40
----
09:40
DL2332
DL866
09:59
09:59
09:59
09:59
09:59
----
09:59
DL2332
DL814
09:59
09:59
09:59
09:59
09:59
----
09:59
DL1680
DL814
----
----
----
----
----
10:57
----
DL4173
DL766
12:07
12:07
12:07
12:07
12:07
----
12:07
DL2820
DL727
12:29
12:29
12:29
12:29
12:29
----
12:29
DL4043
DL732
12:35
12:35
12:35
12:35
12:35
12:35
12:35
DL3678
DL944
13:24
----
----
13:24
13:24
----
13:24
DL3678
DL932
----
13:24
13:24
----
----
13:24
----
DL1695
DL720
17:41
17:20
17:41
17:20
17:20
17:58
17:15
DL1695
DL316
----
----
----
17:20
17:20
----
17:15
DL3939
DL414
18:11
18:11
18:11
18:11
18:11
18:11
18:11
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Via Denver with United Airlines

  • Total flight time: 7h 48m - 9h 57m.
  • Dulles is a United Airlines hub (Secondary hub).
  • 26 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-700 Passenger
    Boeing 737-900 Passenger
IAD
 
Via DEN
 
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
UA2455
UA1834
06:14
06:14
06:14
06:14
06:14
06:14
06:14
UA2293
UA1304
06:30
06:30
06:30
06:30
06:30
----
06:30
UA2293
UA2171
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA2336
UA530
08:25
08:15
08:15
08:15
08:15
----
08:15
UA1366
UA690
08:32
08:32
08:32
08:32
08:32
08:32
08:32
UA2251
UA1257
10:58
10:58
10:58
10:58
10:58
10:58
10:58
UA2251
UA530
10:58
10:58
10:58
10:58
10:58
----
10:58
UA2074
UA1257
12:45
12:45
12:45
12:45
12:45
12:45
12:45
UA2331
UA2278
13:05
13:05
13:05
13:05
13:00
13:05
13:05
UA1842
UA2651
16:10
16:10
16:10
16:10
16:10
16:10
16:10
UA1842
UA2201
16:10
16:10
16:10
16:10
16:10
16:10
16:10
UA1943
UA2651
17:10
17:10
17:10
17:10
17:10
17:10
17:10
UA1547
UA630
17:30
17:30
17:30
17:30
17:30
17:30
17:30
UA1547
UA2211
----
----
----
17:30
----
----
----
UA2049
UA2044
17:33
17:33
17:33
17:33
17:33
----
----
UA3455
UA2044
----
----
----
----
----
17:35
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Via Detroit with Delta Air Lines

  • Total flight time: 7h 05m - 8h 46m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 25 flights per week
  • Code 223
IAD
 
Via DTW
 
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
DL2550
DL774
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL2067
DL857
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL3898
DL751
06:18
06:18
06:18
06:18
06:18
06:18
06:18
DL2846
DL774
07:00
07:00
07:00
07:00
07:00
07:00
07:00
DL511
DL1649
07:15
07:15
07:15
07:15
07:15
07:15
07:15
DL3971
DL728
09:40
09:40
09:40
09:40
09:40
----
09:40
DL2332
DL866
09:59
09:59
09:59
09:59
09:59
----
09:59
DL2332
DL814
09:59
09:59
09:59
09:59
09:59
----
09:59
DL1680
DL814
----
----
----
----
----
10:57
----
DL4173
DL766
12:07
12:07
12:07
12:07
12:07
----
12:07
DL2820
DL727
12:29
12:29
12:29
12:29
12:29
----
12:29
DL4043
DL732
12:35
12:35
12:35
12:35
12:35
12:35
12:35
DL3678
DL944
13:24
----
----
13:24
13:24
----
13:24
DL3678
DL932
----
13:24
13:24
----
----
13:24
----
DL1695
DL720
17:41
17:20
17:41
17:20
17:20
17:58
17:15
DL1695
DL316
----
----
----
17:20
17:20
----
17:15
DL3939
DL414
18:11
18:11
18:11
18:11
18:11
18:11
18:11
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

Via Chicago with United Airlines

  • Total flight time: 7h 43m - 12h 07m.
  • Dulles is a United Airlines hub (Secondary hub).
  • 14 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737MAX 9 Passenger
    Boeing 737-700 Passenger
    Boeing 737-900 Passenger
IAD
 
Via ORD
 
SEA
 
Flight
Mon
May 27
Tue
May 28
Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
UA2455
UA1834
06:14
06:14
06:14
06:14
06:14
06:14
06:14
UA2293
UA1304
06:30
06:30
06:30
06:30
06:30
----
06:30
UA2293
UA2171
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA2336
UA530
08:25
08:15
08:15
08:15
08:15
----
08:15
UA1366
UA690
08:32
08:32
08:32
08:32
08:32
08:32
08:32
UA2251
UA1257
10:58
10:58
10:58
10:58
10:58
10:58
10:58
UA2251
UA530
10:58
10:58
10:58
10:58
10:58
----
10:58
UA2074
UA1257
12:45
12:45
12:45
12:45
12:45
12:45
12:45
UA2331
UA2278
13:05
13:05
13:05
13:05
13:00
13:05
13:05
UA1842
UA2651
16:10
16:10
16:10
16:10
16:10
16:10
16:10
UA1842
UA2201
16:10
16:10
16:10
16:10
16:10
16:10
16:10
UA1943
UA2651
17:10
17:10
17:10
17:10
17:10
17:10
17:10
UA1547
UA630
17:30
17:30
17:30
17:30
17:30
17:30
17:30
UA1547
UA2211
----
----
----
17:30
----
----
----
UA2049
UA2044
17:33
17:33
17:33
17:33
17:33
----
----
UA3455
UA2044
----
----
----
----
----
17:35
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAD - SEA

The timetable & schedule information was updated at 2024-03-15

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