CA $343 Cheap United fights from Boise (BOI) to San Diego (SAN)

View CA $343 flight on Wed, Sep. 3, 2025Opens in a new window

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United flights from Boise to San Diego (BOI→SAN)

Prices were available within the past 7 days and start at CA $343 for one-way flights and CA $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep. 3 - Fri, Sep. 5
BOI
Boise
SAN
San Diego
CA $687 Roundtrip, found 18 hours ago
CA $687
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Sep. 3 from Boise to San Diego, returning Fri, Sep. 5, priced at CA $687 found 18 hours ago
Flight from Boise to San Diego (BOI - SAN) route information
Origin airport
Boise
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Spirit Airlines, United
Popular airline
United
Distance
1200 km
Average flight time
1 hour 49 mins
*Available to Expedia members.