Flights from Seattle to Boise
SEA to BOI. All flight routes from Seattle Tacoma International, USA to Boise Air Terminal, USA. These routes are operated by 3 different airlines. You can either fly non-stop with Alaska Airlines or Delta Air Lines, or choose from 3 different transit flights. The shortest flight time is 1 hour and 25 minutes.
Usually
in time
Some
delays
Usually
delayed
Non-stop routes:

Alaska Airlines
Non-stop with Alaska Airlines.
7 flights per day.
SCHEDULE
1h 25m

Delta Air Lines
Non-stop with Delta Air Lines.
7 flights per day.
SCHEDULE
1h 31m
1 stop routes with the same airline:


Via Spokane GEG
1 stop with Alaska Airlines.
1-3 flights per day.
SCHEDULE
3h 46m


Via Portland PDX
1 stop with Alaska Airlines.
3-9 flights per day.
SCHEDULE
3h 51m


Via Pullman PUW
1 stop with Alaska Airlines.
SCHEDULE
4h 30m
1 stop routes with codeshare or different airlines:


Via Portland PDX
With American Airlines & Alaska Airlines
SCHEDULE
2h 59m


Via Spokane GEG
With Delta Air Lines & Alaska Airlines
1-2 flights per day.
SCHEDULE
4h 01m


Via Pullman PUW
With American Airlines & Alaska Airlines
SCHEDULE
4h 30m
Seattle to Boise flights
With over 98 flights every week and 5 different airlines you have a wide option of flights to choose from. You can fly non-stop to Boise (BOI) from Seattle (SEA) with Alaska Airlines or Delta Air Lines but if a stopover option suits you better you can choose to fly via Spokane, Portland or any other of the 3 alternatives with flight connections.
Seattle to Boise with Alaska Airlines
You can fly non-stop every weekday with flights departing from 6 am to 22 pm. You can also catch a transit flight via Spokane or Portland. Alaska Airlines is a member of the air alliance OneWorld.
With Delta Air Lines
You can fly non-stop every weekday with flights departing from 7 am to 21 pm. Delta Air Lines is a member of SkyTeam.
Miles & flight time: SEA - BOI
The shortest flight time between SEA and BOI is 1 hour and 23 minutes.
Via | Total flight time | Layover time | Miles |
---|---|---|---|
Direct | 1h 23m | - | 400 (644 km) |
Direct | 1h 31m | - | 400 (644 km) |
GEG Spokane | 3h 45m | 1h 29m | 512 (824 km) |
PDX Portland | 4h 5m | 1h 7m | 475 (764 km) |
PUW Pullman | 4h 21m | 1h 58m | 476 (766 km) |

