Airlines with flights from Baltimore to Seattle

There are 6 airlines with scheduled flights between BWI and SEA. Both Alaska Airlines and Southwest operates non-stop flights from Baltimore Washington International to Seattle Airport and the flight time is 5 hours and 42 minutes.

Change direction

Choose airline

Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 42 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-900 (winglets) Passenger/BBJ3
  • Business and first class available
BWI
Direct
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS786
07:50
07:50
07:50
07:50
07:50
07:50
07:50
AS379
18:07
18:07
18:07
18:07
18:07
18:07
18:07
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 5 hours and 40 minutes
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 7 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
BWI
Direct
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN840
----
----
----
----
----
08:05
----
WN1087
----
10:20
10:20
----
----
----
12:00
WN1694
----
----
----
12:20
12:20
----
----
WN868
15:45
----
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 7h 06m - 9h 18m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 66 flights per week
BWI
 
Via DTW
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL2601
DL734
06:08
06:08
06:08
06:08
06:08
06:08
06:08
DL2341
DL728
09:39
09:39
09:39
09:39
09:39
----
09:39
DL1546
DL944
12:33
12:33
12:33
12:33
12:33
12:33
12:33
DL2480
DL565
17:32
17:32
17:32
17:32
17:32
17:32
17:32
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 7h 10m - 11h 50m.
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 113 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
BWI
 
Via MDW
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
WN769
WN2825
----
----
----
----
----
06:35
----
WN3863
WN359
----
----
----
----
----
----
06:35
WN4094
WN2825
----
08:00
08:00
----
----
----
----
WN992
WN2825
----
----
----
08:25
08:25
----
----
WN1359
WN2826
----
10:50
10:50
----
----
----
----
WN875
WN2826
----
10:50
10:50
----
----
----
----
WN3523
WN2826
----
10:55
10:55
----
----
----
----
WN2068
WN2826
----
10:55
10:55
----
----
----
----
WN4076
WN2826
----
11:20
11:20
----
----
----
----
WN1070
WN2826
----
----
----
11:45
11:45
----
----
WN991
WN2826
----
----
----
----
----
----
12:50
WN1195
WN2826
----
----
----
13:10
13:10
----
----
WN164
WN2890
13:25
----
----
----
----
----
----
WN1339
WN2827
----
----
----
----
----
13:55
----
WN1064
WN2827
----
16:15
16:15
----
----
14:35
16:45
WN992
WN2827
----
----
----
----
----
15:40
----
WN425
WN2827
----
16:00
16:00
----
----
----
16:30
WN1682
WN2827
----
----
----
16:10
16:10
----
----
WN1057
WN2827
----
16:15
16:15
----
----
----
----
WN1459
WN2827
----
----
----
16:25
16:25
----
----
WN3853
WN2827
----
16:30
16:30
17:15
17:15
----
----
WN329
WN2827
----
----
----
16:50
16:50
----
----
WN4809
WN2827
----
----
----
16:55
16:55
----
16:55
WN104
WN2827
----
----
----
----
----
----
17:00
WN4367
WN4144
17:05
----
----
----
----
----
----
WN428
WN4144
17:10
----
----
----
----
----
----
WN4355
WN4144
17:20
----
----
----
----
----
----
WN4002
WN2827
----
----
----
17:20
17:20
----
----
WN1039
WN4144
17:35
----
----
----
----
----
----
WN768
WN4144
17:55
----
----
----
----
----
----
WN1195
WN2827
----
18:05
18:05
----
----
----
18:35
WN998
WN4144
19:00
----
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 7h 13m - 9h 34m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 75 flights per week
BWI
 
Via MSP
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL2872
DL868
06:20
06:20
06:20
06:20
06:20
06:20
06:20
DL2357
DL877
11:35
11:35
11:35
11:35
11:35
----
11:35
DL2357
DL881
----
----
----
----
----
15:04
----
DL2565
DL505
19:10
19:10
19:10
19:10
19:10
----
19:09
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Alaska Airlines

Via Portland with Alaska Airlines

  • Total flight time: 7h 14m - 9h 17m.
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-900 (winglets) Passenger/BBJ3
BWI
 
Via PDX
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS1369
AS2313
16:19
----
16:19
16:19
16:19
----
16:19
AS1369
AS2421
16:19
----
----
----
16:19
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

The timetable & schedule information was updated at 2026-04-21

Change direction

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-07-13
© 2026 Westcoast Digital