Airlines with flights from Boise to Seattle

There are two airlines with scheduled flights between BOI and SEA. Both Delta and Alaska Airlines operates non-stop flights from Boise Air Terminal to Seattle Airport and the flight time is 1 hour and 49 minutes.

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Schedules

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.
  • 82 flights per week
  • Embraer 175 (Enhanced Winglets)
  • First class available
BOI
Direct
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL3775
06:43
06:43
06:43
06:43
06:43
06:43
06:43
DL3740
08:42
08:42
08:42
08:42
08:42
08:42
08:42
DL3750
10:36
10:36
10:36
10:36
10:36
10:36
10:36
DL3678
11:55
11:55
11:55
11:55
11:55
11:55
11:55
DL3958
15:31
15:31
15:31
15:31
15:31
15:29
15:31
DL4127
18:10
18:10
18:10
18:10
18:10
18:10
18:10
DL3688
19:53
19:53
19:53
19:53
19:53
----
19:53
SHOW RETURN SCHEDULE
CHECK PRICES FOR BOI - SEA

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

Alaska Airlines

Non-stop with Alaska Airlines

  • Total flight time: 1 hour and 39 minutes
  • One World Alliance
  • Boise is a Alaska Airlines focus city. Seattle is a Alaska Airlines hub (Primary hub).
  • 56 flights per week
  • 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
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
AS2235
13:06
13:06
----
13:06
13:06
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13:06
AS740
16:27
16:27
16:27
16:27
16:27
16:27
16:27
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

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 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
Via GEG
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
Via PDX
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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 737-900 (winglets) Passenger/BBJ3
    Boeing 737-800 (winglets) Passenger/BBJ2
    Embraer 175
    Boeing 737MAX 8 Passenger
BOI
 
Via PUW
 
SEA
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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 2026-06-02
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