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

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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 San Antonio (SAT) to Boston (BOS)

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

18 Apr - 05 May $ 233.00
SAT
San Antonio
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
2 STOPS
SAT
San Antonio
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10 Apr - 09 May $ 1,064.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
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13 Apr - 03 May $ 1,126.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
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Last minute flights from San Antonio to Boston

18 Apr - 30 Apr $ 280.00
SAT
San Antonio
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
SAT
San Antonio
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10 Apr - 01 May $ 1,147.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
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13 Apr - 01 May $ 1,181.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
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One-way flights to Boston from San Antonio

6:30 PM - 6:30 AM
Spirit Airlines
1 Stops
13h 59m
SAT - BOS
$ 119
Kiwi
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5:50 PM - 9:30 PM
United Airlines
1 Stops
6h 9m
SAT - BOS
$ 417
Kiwi
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5:30 AM - 7:25 AM
United Airlines
1 Stops
5h 46m
SAT - BOS
$ 419
Kiwi
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How to find the cheapest flight from San Antonio (SAT) to Boston (BOS)

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