- Cheapest fare
- $337
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 44m
Alaska Airlines · Sun, Nov 15
from $337
Alaska Airlines
850 km
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Cheapest month to fly from San Jose to Boise
Lowest one-way fare per person in each month. Choose a month to see every date.
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About flights from San Jose to Boise
San Jose (SJC) and Boise (BOI) are about 850 km apart. Direct flights take around 1h 44m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $337, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from San Jose to Boise?
The cheapest one-way fare we've seen recently is $337 with Alaska Airlines, departing Sunday, November 15, 2026.
What is the cheapest month to fly from San Jose to Boise?
November 2026 currently has the lowest fares, from $337 one way.
Are there direct flights from San Jose to Boise?
Yes. Recent direct fares were with Alaska Airlines.
How long is the flight from San Jose to Boise?
A direct flight takes about 1h 44m. San Jose and Boise are around 850 km apart.
Which airlines fly from San Jose to Boise?
Recent fares on this route were with Alaska Airlines.
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