Cheap flights from Boise to Half Moon Bay from CA $93

View CA $93 flight on Tue, Aug. 19, 2025Opens in a new window

Popular airlines from Boise to Half Moon Bay

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Cheap flights from Boise (BOI) to Half Moon Bay (SJC)

Prices were available within the past 7 days and start at CA $93 for one-way flights and CA $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct. 29 - Sat, Nov. 15
BOI
Boise
SFO
San Francisco
CA $186 Roundtrip, found 1 day ago
CA $186
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct. 29 from Boise to San Francisco, returning Sat, Nov. 15, priced at CA $186 found 1 day ago
Hawaiian Airlines
Wed, Oct. 15 - Tue, Nov. 4
BOI
Boise
SFO
San Francisco
CA $186 Roundtrip, found 1 day ago
CA $186
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct. 15 from Boise to San Francisco, returning Tue, Nov. 4, priced at CA $186 found 1 day ago
Hawaiian Airlines
Wed, Oct. 15 - Sat, Nov. 1
BOI
Boise
SFO
San Francisco
CA $200 Roundtrip, found 1 day ago
CA $200
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct. 15 from Boise to San Francisco, returning Sat, Nov. 1, priced at CA $200 found 1 day ago
Delta
Sat, Nov. 1 - Tue, Nov. 18
BOI
Boise
SFO
San Francisco
CA $214 Roundtrip, found 1 day ago
CA $214
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov. 1 from Boise to San Francisco, returning Tue, Nov. 18, priced at CA $214 found 1 day ago
United
Sat, Nov. 8 - Fri, Nov. 28
BOI
Boise
SFO
San Francisco
CA $310 Roundtrip, found 1 day ago
CA $310
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov. 8 from Boise to San Francisco, returning Fri, Nov. 28, priced at CA $310 found 1 day ago
American Airlines
Sat, Oct. 18 - Mon, Oct. 20
BOI
Boise
SFO
San Francisco
CA $476 Roundtrip, found 1 day ago
CA $476
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct. 18 from Boise to San Francisco, returning Mon, Oct. 20, priced at CA $476 found 1 day ago

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

September is typically the cheapest month to fly

From CA $178 - CA $351 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.