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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 April , May 2026

26 Apr - 02 May $ 519.00
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
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15 Apr - 05 May $ 1,148.00
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
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09 Apr - 05 May $ 1,275.00
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

29 Apr - 30 Apr $ 384.00
BOS
Boston
Spirit Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Spirit Airlines
1 STOPS
BOS
Boston
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14 Apr - 01 May $ 1,309.00
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
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09 Apr - 30 Apr $ 1,465.00
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

12:55 PM - 9:40 PM
Spirit Airlines
2 Stops
11h 56m
BOS - SAT
$ 167
Kiwi
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5:45 AM - 8:15 AM
United Airlines
1 Stops
6h 18m
BOS - SAT
$ 427
Kiwi
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2:37 PM - 5:55 PM
United Airlines
1 Stops
7h 3m
BOS - SAT
$ 429
Kiwi
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How to find the cheapest flight from Boston (BOS) to San Antonio (SAT)

Related info for your journey
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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.