Airlines with flights from Seattle to Baltimore

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

Choose airline

Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 5 hours and 5 minutes
  • One World Alliance
  • Seattle is a Alaska Airlines hub (Primary hub).
  • 15 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
  • Business and first class available
SEA
Direct
BWI

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 4 hours and 55 minutes
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 7 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
SEA
Direct
BWI

The timetable & schedule information was updated at 2026-04-22

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 6h 20m - 8h 28m.
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 69 flights per week
SEA
 
Via DTW
 
BWI

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 6h 35m - 11h 15m.
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 44 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
SEA
 
Via MDW
 
BWI
 
Flight
Mon
Jun 15
Tue
Jun 16
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Jun 17
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Jun 18
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Jun 19
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Jun 20
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Jun 21
WN3483
WN2744
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05:00
05:00
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WN4407
WN2744
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05:15
WN2810
WN2848
05:30
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05:30
05:30
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WN2810
WN1009
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06:15
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WN3081
WN2745
11:45
10:45
10:45
11:45
11:45
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WN2304
WN1306
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23:05
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WN2304
WN758
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23:05
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WN2304
WN2742
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23:05
23:05
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23:05
WN2304
WN1120
23:05
23:05
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - BWI

The timetable & schedule information was updated at 2026-04-22

United Airlines

Via Chicago with United Airlines

  • Total flight time: 6h 40m - 14h 48m.
  • 104 flights per week
SEA
 
Via ORD
 
BWI
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2618
UA1550
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA2135
UA2829
07:05
07:05
07:05
07:05
07:05
07:05
07:05
UA2835
UA303
10:52
10:52
10:52
10:52
10:52
10:52
10:52
UA2192
UA2829
13:36
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13:36
13:36
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13:36
UA768
UA2829
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13:36
13:36
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13:36
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UA2279
UA1269
22:40
22:40
22:40
22:40
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22:40
22:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - BWI

The timetable & schedule information was updated at 2026-04-22

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 6h 40m - 12h 35m.
  • Low-cost airline
  • Baltimore is a Southwest Airlines focus city (Operating base).
  • 99 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
SEA
 
Via DEN
 
BWI
 
Flight
Mon
Jun 15
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Jun 16
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Jun 17
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Jun 18
Fri
Jun 19
Sat
Jun 20
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Jun 21
WN3615
WN1506
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05:00
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WN3615
WN1898
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05:15
05:15
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WN3615
WN4698
05:15
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05:15
05:15
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WN3615
WN1539
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05:30
WN3397
WN1624
07:50
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07:50
07:50
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WN3397
WN1045
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08:45
WN4231
WN1045
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09:30
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WN3397
WN915
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09:45
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WN3616
WN1499
12:20
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12:20
12:20
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WN3617
WN1499
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13:30
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WN1049
WN1500
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14:15
14:15
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WN1166
WN1500
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14:25
WN3617
WN1500
14:35
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14:35
14:35
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WN4845
WN1501
19:20
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19:20
19:20
19:35
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WN2328
WN1501
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19:30
19:30
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SHOW RETURN SCHEDULE
CHECK PRICES FOR SEA - BWI

The timetable & schedule information was updated at 2026-04-22

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 2026-06-02