Earn point on your loyalty program!arrow arc left

Cheap flights from Baltimore (BWI) to San Antonio (SAT)

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 Baltimore (BWI) to San Antonio (SAT)

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

Cheap flights from Baltimore to San Antonio in November , December 2026

18 Nov - 02 Dec $ 418.00
BWI
Baltimore
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
20 Nov - 06 Dec $ 1,398.00
BWI
Baltimore
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BWI
Baltimore
Pick dates
20 Nov - 02 Dec $ 1,456.00
BWI
Baltimore
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BWI
Baltimore
Pick dates

Last minute flights from Baltimore to San Antonio

18 Nov - 01 Dec $ 507.00
BWI
Baltimore
Frontier Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Frontier Airlines
2 STOPS
BWI
Baltimore
Pick dates
20 Nov - 01 Dec $ 1,692.00
BWI
Baltimore
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BWI
Baltimore
Pick dates
20 Nov - 30 Nov $ 1,806.00
BWI
Baltimore
Alaska Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BWI
Baltimore
Pick dates

One-way flights to San Antonio from Baltimore

1:56 PM - 6:10 AM
BREEZE
2 Stops
19h 49m
BWI - SAT
$ 248
Kiwi
Pick dates
6:39 PM - 10:58 AM
Alaska Airlines
1 Stops
23h 18m
BWI - SAT
$ 917
Kiwi
Pick dates
7:00 AM - 10:58 AM
Alaska Airlines
1 Stops
10h 57m
BWI - SAT
$ 946
Kiwi
Pick dates

How to find the cheapest flight from Baltimore (BWI) to San Antonio (SAT)

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 Baltimore (BWI) 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 Baltimore (BWI) to San Antonio (SAT)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.