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Direct flights from Seattle to Boise

Airlines Schedules

SEA - BOI route map All flights from SEA to BOI non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Boise Air Terminal (BOI), Idaho, USA with Alaska Airlines and Delta Air Lines. 97 weekly departures are currently scheduled on this route. Departure times range from 06:30 to 23:01 depending on the schedule period. The flight distance is 400 miles (644 km). Flight time ranges from 1 hour and 21 minutes to 1 hour and 44 minutes.

SEA
Seattle Tacoma
USASeattle , USA
BOI
Boise Air Terminal
USABoise , USA
SEA
Seattle Tacoma
USASeattle , USA
Boise Air Terminal
USABoise , USA
BOI
Flight time 1h 21min to 1h 44min
Updated Sep 21, 2026
CHANGE DIRECTION

Airlines with non-stop routes:

Alaska Airlines oneworld

Departure times vary between 06:30 and 23:01
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
51 flights/week
51 flights/week

Delta Air Lines SkyTeam

Departure times vary between 07:15 and 21:30
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
46 flights/week
46 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Seattle to Boise with Alaska Airlines

This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Oct 19
Tue
Oct 20
Wed
Oct 21
Thu
Oct 22
Fri
Oct 23
Sat
Oct 24
Sun
Oct 25
AS248
07:17
07:17
07:17
07:17
07:17
07:17
07:17
AS357
09:57
09:57
09:57
09:57
09:57
09:57
09:57
AS3211
11:20
11:33
11:33
11:20
11:20
11:33
11:20
AS467
12:48
12:48
12:48
12:48
12:48
12:48
12:48
AS2169
15:51
15:51
15:51
15:51
15:51
15:51
15:51
AS2109
17:40
17:40
17:40
17:40
17:40
17:40
17:40
AS2173
19:41
19:41
19:41
19:41
19:41
19:41
19:41
AS445
21:29
21:29
21:29
21:29
21:29
21:29
21:29

The timetable & schedule information was updated at 2026-09-21

RETURN SCHEDULE
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Flight schedule from Seattle to Boise with Delta Air Lines

This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Oct 19
Tue
Oct 20
Wed
Oct 21
Thu
Oct 22
Fri
Oct 23
Sat
Oct 24
Sun
Oct 25
DL3750
07:15
07:15
07:15
07:15
07:15
07:15
07:15
DL3678
08:59
08:59
08:59
08:59
08:59
08:59
08:59
DL3959
12:47
12:47
12:47
12:47
12:47
12:47
12:47
DL4127
14:45
14:45
14:45
14:45
14:45
14:45
14:45
DL3688
16:02
16:02
16:02
16:02
16:02
16:02
16:02
DL3692
19:35
19:35
19:35
19:35
19:35
19:35
19:35
DL4090
21:30
----
----
21:30
21:30
----
21:30

The timetable & schedule information was updated at 2026-09-21

RETURN SCHEDULE
CHECK PRICES
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Seattle to Boise scheduled departures

Select a date to see every published non-stop departure between SEA and BOI.

Wednesday
Wed
Oct 21
14 flights(14)
Thursday
Thu
Oct 22
15 flights(15)
Friday
Fri
Oct 23
15 flights(15)
Saturday
Sat
Oct 24
14 flights(14)
Sunday
Sun
Oct 25
15 flights(15)
Monday
Mon
Oct 26
14 flights(14)
Tuesday
Tue
Oct 27
14 flights(14)
Time
Airline
Flight
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:33
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:20
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
21:30
Delta Air Lines Delta Air Lines
DL4090
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:20
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
21:30
Delta Air Lines Delta Air Lines
DL4090
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:33
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:20
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
21:30
Delta Air Lines Delta Air Lines
DL4090
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:20
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
07:15
Delta Air Lines Delta Air Lines
DL3750
07:17
Alaska Airlines Alaska Airlines
AS248
08:59
Delta Air Lines Delta Air Lines
DL3678
09:57
Alaska Airlines Alaska Airlines
AS357
11:33
Alaska Airlines Alaska Airlines
AS3211
12:47
Delta Air Lines Delta Air Lines
DL3959
12:48
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:51
Alaska Airlines Alaska Airlines
AS2169
16:02
Delta Air Lines Delta Air Lines
DL3688
17:40
Alaska Airlines Alaska Airlines
AS2109
19:35
Delta Air Lines Delta Air Lines
DL3692
19:41
Alaska Airlines Alaska Airlines
AS2173
21:29
Alaska Airlines Alaska Airlines
AS445
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SEA-BOI flight route
Route map from Seattle, SEA to Boise, BOI. The distance is 400 miles or 644 km.
Seattle - Boise direct flight map
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SEA - BOI route facts

  • Distance
    400 miles (644 km)
  • Flight time
    1 hour and 21 minutes to 1 hour and 44 minutes
  • Airlines
    Alaska Airlines Alaska Airlines
    Delta Delta
  • Airline alliances
    oneworld SkyTeam
  • Cabins
    Economy Business First
  • Hub airports
    Alaska Airlines: SEA (Primary hub.)
    Delta Air Lines: SEA
  • Aircraft
    Alaska Airlines: Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-900 (winglets) Passenger/BBJ3, Boeing 737MAX 9 Passenger, Boeing 737MAX 8 Passenger, Boeing 737-700 Passenger and Embraer 175
    Delta Air Lines: Embraer 175 (Enhanced Winglets)

Route FAQ

Alaska Airlines and Delta Air Lines operate non-stop flights from SEA to BOI with 97 weekly departures.

Scheduled flight time from SEA to BOI ranges from 1 hour and 21 minutes to 1 hour and 44 minutes. The route covers 400 miles (644 km).

97 weekly departures are currently scheduled on this route, with published departure times ranging from 06:30 to 23:01 depending on the schedule period.

Economy, Business and First are currently scheduled on non-stop flights for this route.
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