Airlines with flights from Boise to Seattle

There are two airlines with scheduled flights between BOI and SEA. Both Alaska Airlines and Delta operates non-stop flights from Boise Air Terminal to Seattle Airport and the flight time is 1 hour and 37 minutes.

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Schedules

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 1 hour and 37 minutes
  • One World Alliance
  • Boise is a Alaska Airlines focus city. Seattle is a Alaska Airlines hub (Primary hub).
  • 54 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
  • Business and first class available
BOI
Direct
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS423
06:23
06:23
06:23
06:23
06:23
06:23
06:23
AS2070
08:15
08:15
08:15
08:15
08:15
08:15
08:15
AS2166
10:00
10:00
10:00
10:00
10:00
10:00
10:00
AS2159
11:42
11:42
11:42
11:42
11:42
11:42
11:42
AS2231
13:06
13:06
----
13:06
13:06
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13:06
AS740
16:35
16:35
16:35
16:35
16:35
16:35
16:35
AS296
18:13
18:13
18:13
18:13
18:13
18:10
18:13
AS2352
20:47
20:47
20:47
20:47
20:47
20:47
20:47
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 1 hour and 49 minutes
  • Sky Team Alliance
  • Seattle is a Delta Air Lines hub.
  • 48 flights per week
  • Embraer 175 (Enhanced Winglets)
  • First class available
BOI
Direct
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL3775
06:49
06:49
06:49
06:49
06:49
06:49
06:49
DL3740
08:59
08:59
08:59
08:59
08:59
08:59
08:59
DL3750
10:35
10:35
10:35
10:35
10:35
10:35
10:35
DL3678
12:23
12:23
12:23
12:23
12:23
12:23
12:23
DL3958
15:29
15:29
15:29
15:29
15:29
15:29
15:29
DL4127
17:59
17:59
17:59
17:59
17:59
17:59
17:59
DL3688
19:28
----
----
19:28
19:28
----
19:28
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

Alaska Airlines

Via Spokane with Alaska Airlines

  • Total flight time: 2h 53m - 5h 16m.
  • One World Alliance
  • Boise is a Alaska Airlines focus city. Seattle is a Alaska Airlines hub (Primary hub).
  • 119 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
Via GEG
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AS3198
AS2069
07:40
07:40
07:40
07:40
07:40
07:40
07:40
AS2259
AS3306
14:47
14:47
----
14:47
14:47
----
14:47
AS2030
AS371
18:53
18:53
18:53
18:53
18:53
18:53
18:53
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

Alaska Airlines

Via Portland with Alaska Airlines

  • Total flight time: 2h 59m - 5h 17m.
  • One World Alliance
  • Boise is a Alaska Airlines focus city. Seattle is a Alaska Airlines hub (Primary hub).
  • 162 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
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
AS1566
AS2420
05:57
05:57
05:57
05:57
05:57
05:57
05:57
AS2184
AS3431
09:13
09:13
09:13
09:13
09:13
09:13
09:13
AS2209
AS3408
13:29
13:29
13:29
13:29
13:29
13:29
13:29
AS229
AS430
16:23
16:23
16:23
16:23
16:23
----
16:23
AS2118
AS2421
20:28
20:28
20:28
20:28
20:28
20:28
20:28
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

Alaska Airlines

Via Pullman with Alaska Airlines

  • Total flight time: 4h 52m - 4h 52m.
  • One World Alliance
  • Boise is a Alaska Airlines focus city. Seattle is a Alaska Airlines hub (Primary hub).
  • 6 flights per week
  • Boeing 737MAX 9 Passenger
    Boeing 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
Via PUW
 
SEA
 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

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Flight data on this page was last updated on 2026-07-13
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