Cheap Flights from San Antonio to Southern Idaho

View €292 flight on Sat, 16 Aug 2025Opens in a new window

Popular airlines from San Antonio to Southern Idaho

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • Spirit Airlines

    Spirit Airlines

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Cheap flights from San Antonio to Southern Idaho (SAT-IDA)

Prices were available within the past 7 days and start at €292 for one-way flights and €510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€510 Return, found 4 days ago
€510
Return
found 4 days ago
Select United flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €510 found 4 days ago
United
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€515 Return, found 4 days ago
€515
Return
found 4 days ago
Select United flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €515 found 4 days ago
American Airlines
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€545 Return, found 4 days ago
€545
Return
found 4 days ago
Select American Airlines flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €545 found 4 days ago
Delta
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€545 Return, found 4 days ago
€545
Return
found 4 days ago
Select Delta flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €545 found 4 days ago
United
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€545 Return, found 4 days ago
€545
Return
found 4 days ago
Select United flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €545 found 4 days ago
United
Sat, 16 Aug - Fri, 22 Aug
SAT
San Antonio
BOI
Boise
€549 Return, found 4 days ago
€549
Return
found 4 days ago
Select United flight, departing Sat, 16 Aug from San Antonio to Boise, returning Fri, 22 Aug, priced at €549 found 4 days ago

Find the cheapest month to fly from San Antonio (SAT) to Boise (BOI)

November is typically the cheapest month to fly

From €133 - €468 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.