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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. 101 weekly departures are currently scheduled on this route. Departure times range from 06:30 to 21:45 depending on the schedule period. The flight distance is 400 miles (644 km). Flight time ranges from 1 hour and 22 minutes to 1 hour and 43 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 22min to 1h 43min
Updated Aug 11, 2026
CHANGE DIRECTION

Airlines with non-stop routes:

Alaska Airlines oneworld

Departure times vary between 06:30 and 21:45
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
55 flights/week
55 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
Sep 7
Tue
Sep 8
Wed
Sep 9
Thu
Sep 10
Fri
Sep 11
Sat
Sep 12
Sun
Sep 13
AS248
07:18
07:15
07:15
07:15
07:15
07:15
07:15
AS597
10:00
09:55
09:55
09:55
09:55
09:55
09:55
AS2106
11:50
11:43
11:43
11:43
11:43
11:43
11:43
AS467
13:04
13:03
12:57
13:03
13:03
13:03
13:03
AS2277
15:41
15:41
15:41
15:41
----
15:41
----
AS586
18:03
18:05
18:05
17:55
17:55
17:54
17:55
AS1751
20:03
----
----
20:08
20:08
----
20:08
AS2262
21:18
21:18
21:18
21:18
21:18
21:18
21:18

The timetable & schedule information was updated at 2026-08-11

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
Sep 7
Tue
Sep 8
Wed
Sep 9
Thu
Sep 10
Fri
Sep 11
Sat
Sep 12
Sun
Sep 13
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
12:35
12:39
12:39
12:39
12:39
12:39
12:39
DL4127
14:45
14:45
14:45
14:45
14:45
14:45
14:45
DL3688
16:10
16:04
16:04
16:04
16:04
16:04
16:03
DL3692
19:50
19:59
19:59
19:59
19:59
19:59
19:59
DL4090
21:20
----
----
----
----
----
21:29

The timetable & schedule information was updated at 2026-08-11

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.

Tuesday
Tue
Sep 08
13 flights(13)
Wednesday
Wed
Sep 09
13 flights(13)
Thursday
Thu
Sep 10
14 flights(14)
Friday
Fri
Sep 11
13 flights(13)
Saturday
Sat
Sep 12
13 flights(13)
Sunday
Sun
Sep 13
14 flights(14)
Monday
Mon
Sep 14
15 flights(15)
Time
Airline
Flight
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:41
Alaska Airlines Alaska Airlines
AS2277
16:04
Delta Air Lines Delta Air Lines
DL3688
18:05
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
21:18
Alaska Airlines Alaska Airlines
AS2262
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
12:57
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:41
Alaska Airlines Alaska Airlines
AS2277
16:04
Delta Air Lines Delta Air Lines
DL3688
18:05
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
21:18
Alaska Airlines Alaska Airlines
AS2262
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:41
Alaska Airlines Alaska Airlines
AS2277
16:04
Delta Air Lines Delta Air Lines
DL3688
17:55
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
20:08
Alaska Airlines Alaska Airlines
AS1751
21:18
Alaska Airlines Alaska Airlines
AS2262
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
16:04
Delta Air Lines Delta Air Lines
DL3688
17:55
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
20:08
Alaska Airlines Alaska Airlines
AS1751
21:18
Alaska Airlines Alaska Airlines
AS2262
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:41
Alaska Airlines Alaska Airlines
AS2277
16:04
Delta Air Lines Delta Air Lines
DL3688
17:54
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
21:18
Alaska Airlines Alaska Airlines
AS2262
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
16:03
Delta Air Lines Delta Air Lines
DL3688
17:55
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
20:08
Alaska Airlines Alaska Airlines
AS1751
21:18
Alaska Airlines Alaska Airlines
AS2262
21:29
Delta Air Lines Delta Air Lines
DL4090
07:15
Alaska Airlines Alaska Airlines
AS248
07:15
Delta Air Lines Delta Air Lines
DL3750
08:59
Delta Air Lines Delta Air Lines
DL3678
09:55
Alaska Airlines Alaska Airlines
AS597
11:43
Alaska Airlines Alaska Airlines
AS2106
12:39
Delta Air Lines Delta Air Lines
DL3959
13:03
Alaska Airlines Alaska Airlines
AS467
14:45
Delta Air Lines Delta Air Lines
DL4127
15:41
Alaska Airlines Alaska Airlines
AS2277
16:03
Delta Air Lines Delta Air Lines
DL3688
17:55
Alaska Airlines Alaska Airlines
AS586
19:59
Delta Air Lines Delta Air Lines
DL3692
20:08
Alaska Airlines Alaska Airlines
AS1751
21:18
Alaska Airlines Alaska Airlines
AS2262
21:29
Delta Air Lines Delta Air Lines
DL4090
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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 22 minutes to 1 hour and 43 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, Embraer 175 and Boeing 737-700 Passenger
    Delta Air Lines: Embraer 175 (Enhanced Winglets)

Route FAQ

Alaska Airlines and Delta Air Lines operate non-stop flights from SEA to BOI with 101 weekly departures.

Scheduled flight time from SEA to BOI ranges from 1 hour and 22 minutes to 1 hour and 43 minutes. The route covers 400 miles (644 km).

101 weekly departures are currently scheduled on this route, with published departure times ranging from 06:30 to 21:45 depending on the schedule period.

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