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Cheap flights from Boston (BOS) to San Antonio (SAT)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)

How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)
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How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)
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How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)
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Cheap flights from Boston to San Antonio in June , July 2026

30 Jun - 05 Jul $ 704.00
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
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30 Jun - 05 Jul $ 1,185.00
BOS
Boston
Frontier Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
BOS
Boston
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30 Jun - 10 Jul $ 1,358.00
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to San Antonio

27 Jun - 30 Jun $ 790.00
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
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27 Jun - 30 Jun $ 790.00
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
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29 Jun - 30 Jun $ 1,698.00
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
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One-way flights to San Antonio from Boston

7:19 AM - 1:30 PM
United Airlines
1 Stops
10h 10m
BOS - SAT
$ 476
Kiwi
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12:30 PM - 7:58 PM
United Airlines
1 Stops
11h 27m
BOS - SAT
$ 476
Kiwi
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5:47 AM - 9:39 AM
United Airlines
1 Stops
5h 59m
BOS - SAT
$ 559
Kiwi
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How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)

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