Earn point on your loyalty program!arrow arc left

Cheap flights from Boise (BOI) to San Antonio (SAT)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)

How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boise to San Antonio in November , December 2025

26 Nov - 22 Dec $ 428.00
BOI
Boise
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
1 STOPS
BOI
Boise
Pick dates
25 Nov - 10 Dec $ 769.00
BOI
Boise
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
28 Nov - 08 Dec $ 892.00
BOI
Boise
Hawaiian Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Hawaiian Airlines
1 STOPS
BOI
Boise
Pick dates

Last minute flights from Boise to San Antonio

26 Nov - 01 Dec $ 920.00
BOI
Boise
Allegiant Air
1 STOPS
SAT
San Antonio
SAT
San Antonio
Allegiant Air
2 STOPS
BOI
Boise
Pick dates
23 Nov - 30 Nov $ 1,460.00
BOI
Boise
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BOI
Boise
Pick dates
28 Nov - 30 Nov $ 1,823.00
BOI
Boise
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

One-way flights to San Antonio from Boise

9:22 PM - 8:46 AM
Spirit Airlines
1 Stops
14h 55m
BOI - SAT
$ 285
Kiwi
Pick dates
6:15 AM - 2:20 PM
United Airlines
2 Stops
8h 14m
BOI - SAT
$ 415
Kiwi
Pick dates
10:39 AM - 1:45 PM
United Airlines
1 Stops
5h 19m
BOI - SAT
$ 599
Kiwi
Pick dates

How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.