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 51 minutes.

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Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 51 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 14 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
  • Business and first class available
BWI
Direct
SEA
 
Flight
Mon
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
AS786
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----
07:03
07:03
07:03
07:03
07:03
AS764
07:48
07:48
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AS379
19:35
19:35
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 45 minutes
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 2 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737-700 Passenger (Scimitar Winglets)
BWI
Direct
SEA
 
Flight
Mon
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
WN1162
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09:25
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WN3190
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10:35
10:35
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WN868
15:45
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15:45
15:45
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WN1100
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----
----
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16:20
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
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
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
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09:39
DL1546
DL944
12:32
12:32
12:32
12:32
12:32
12:32
12:32
DL2480
DL565
17:32
17:32
17:32
17:32
17:32
17:33
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
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
WN995
WN1155
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06:05
WN982
WN2231
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----
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06:35
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WN995
WN1876
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07:40
07:40
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WN4217
WN1155
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07:45
WN427
WN636
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10:45
10:45
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WN938
WN4061
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11:40
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WN800
WN4061
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----
----
----
12:15
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WN914
WN636
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13:00
13:00
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----
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WN766
WN636
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13:05
13:05
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WN164
WN2890
13:25
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13:25
13:25
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WN914
WN4144
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15:45
WN2693
WN4144
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17:05
17:05
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16:30
17:50
WN428
WN4144
17:10
16:30
16:30
17:10
17:10
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17:15
WN956
WN4144
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17:00
17:00
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WN4367
WN4144
17:05
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----
17:05
17:05
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WN4355
WN4144
17:20
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----
17:20
17:20
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17:15
WN2224
WN4144
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17:20
17:20
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WN411
WN4144
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17:35
WN1039
WN4144
17:35
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17:35
17:35
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WN997
WN4144
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----
----
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17:45
WN768
WN4144
17:55
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17:55
17:55
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17:45
WN267
WN4144
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----
----
----
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18:10
WN998
WN4144
19:00
18:30
18:30
19:00
19:00
18:15
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WN375
WN4144
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----
----
----
----
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19:35
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
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
DL2872
DL868
06:19
06:19
06:19
06:19
06:19
06:19
06:19
DL2357
DL877
11:35
11:35
11:35
11:35
11:35
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11:35
DL2357
DL881
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15:04
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DL2565
DL505
19:13
19:13
19:13
19:13
19:13
----
19:13
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 737-900 (winglets) Passenger/BBJ3
BWI
 
Via PDX
 
SEA
 
Flight
Mon
Jun 8
Tue
Jun 9
Wed
Jun 10
Thu
Jun 11
Fri
Jun 12
Sat
Jun 13
Sun
Jun 14
AS557
AS3261
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16:17
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AS557
AS2190
16:17
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AS1369
AS2313
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16:19
16:19
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16:19
AS1369
AS2421
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----
16:19
AS1590
AS2313
----
----
16:19
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR BWI - SEA

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

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Flight data on this page was last updated on 2026-05-25
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