Earn point on your loyalty program!arrow arc left

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

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 San Antonio (SAT) to Boston (BOS)

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.
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.

Cheap flights from San Antonio to Boston in February , March 2026

27 Feb - 03 Mar $ 199.00
SAT
San Antonio
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
SAT
San Antonio
Pick dates
13 Feb - 08 Mar $ 874.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
Pick dates
12 Feb - 05 Mar $ 1,058.00
SAT
San Antonio
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
SAT
San Antonio
Pick dates

Last minute flights from San Antonio to Boston

27 Feb - 28 Feb $ 255.00
SAT
San Antonio
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
SAT
San Antonio
Pick dates
13 Feb - 01 Mar $ 946.00
SAT
San Antonio
Hawaiian Airlines
1 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
SAT
San Antonio
Pick dates
12 Feb - 01 Mar $ 967.00
SAT
San Antonio
Hawaiian Airlines
1 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
SAT
San Antonio
Pick dates

One-way flights to Boston from San Antonio

5:04 PM - 10:40 PM
Frontier Airlines
1 Stops
7h 9m
SAT - BOS
$ 99
Kiwi
Pick dates
6:30 AM - 8:45 PM
Spirit Airlines
3 Stops
16h 27m
SAT - BOS
$ 262
Kiwi
Pick dates
11:43 AM - 1:31 PM
United Airlines
1 Stops
5h 30m
SAT - BOS
$ 460
Kiwi
Pick dates

How to find the cheapest flight from San Antonio (SAT) to Boston (BOS)

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 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.