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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 December 2025 , January 2026

24 Dec - 15 Jan $ 291.00
SAT
San Antonio
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
SAT
San Antonio
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24 Dec - 06 Jan $ 968.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
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21 Dec - 01 Jan $ 2,523.00
SAT
San Antonio
Hawaiian Airlines
1 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
SAT
San Antonio
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Last minute flights from San Antonio to Boston

24 Dec - 31 Dec $ 470.00
SAT
San Antonio
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
SAT
San Antonio
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24 Dec - 31 Dec $ 635.00
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
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24 Dec - 31 Dec $ 763.00
SAT
San Antonio
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
SAT
San Antonio
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One-way flights to Boston from San Antonio

7:11 PM - 6:40 AM
Frontier Airlines
1 Stops
13h 41m
SAT - BOS
$ 195
Kiwi
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2:08 PM - 1:55 PM
United Airlines
1 Stops
26h 9m
SAT - BOS
$ 290
Kiwi
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12:25 PM - 5:10 PM
United Airlines
1 Stops
5h 23m
SAT - BOS
$ 535
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.