CA $121 Cheap Alaska Airlines fights from Boise (BOI) to San Diego (SAN)

View CA $121 flight on Fri, Oct. 10, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Alaska Airlines flights from Boise to San Diego (BOI→SAN)

Prices were available within the past 7 days and start at CA $121 for one-way flights and CA $245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $245 Roundtrip, found 4 days ago
CA $245
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $245 found 4 days ago
Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $270 Roundtrip, found 4 days ago
CA $270
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $270 found 4 days ago
Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $276 Roundtrip, found 4 days ago
CA $276
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $276 found 4 days ago
Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $306 Roundtrip, found 4 days ago
CA $306
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $306 found 4 days ago
Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $315 Roundtrip, found 4 days ago
CA $315
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $315 found 4 days ago
Alaska Airlines
Fri, Oct. 10 - Sat, Oct. 11
BOI
Boise
SAN
San Diego
CA $328 Roundtrip, found 4 days ago
CA $328
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct. 10 from Boise to San Diego, returning Sat, Oct. 11, priced at CA $328 found 4 days ago
Flight from Boise to San Diego (BOI - SAN) route information
Origin airport
Boise
Destination airport
San Diego Intl.
Distance
1200 km
Average flight time
1 hour 44 mins
*Available to Expedia members.