Flights to Southwest Idaho from San Francisco - ￥10,460

View ￥10,460 flight on Mon, Aug 18, 2025Opens in a new window

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Cheap Flights from San Francisco to Southwest Idaho (SJC-BOI)

Prices were available within the past 7 days and start at ￥10,460 for one-way flights and ￥26,790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥26,790 Roundtrip, found 2 days ago
￥26,790
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥26,790 found 2 days ago
United
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥30,410 Roundtrip, found 2 days ago
￥30,410
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥30,410 found 2 days ago
United
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥32,600 Roundtrip, found 2 days ago
￥32,600
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥32,600 found 2 days ago
Delta
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥33,270 Roundtrip, found 2 days ago
￥33,270
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥33,270 found 2 days ago
United
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥35,460 Roundtrip, found 2 days ago
￥35,460
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥35,460 found 2 days ago
American Airlines
Thu, Aug 7 - Mon, Aug 11
SFO
San Francisco
BOI
Boise
￥45,900 Roundtrip, found 2 days ago
￥45,900
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 7 from San Francisco to Boise, returning Mon, Aug 11, priced at ￥45,900 found 2 days ago

Find the cheapest month to fly from San Francisco (SFO) to Boise (BOI)

September is typically the cheapest month to fly

From ￥19,067 - ￥37,813 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.