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 May , June 2026

26 May - 09 Jun $ 581.00
BWI
Baltimore
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BWI
Baltimore
Pick dates
23 May - 09 Jun $ 1,147.00
BWI
Baltimore
Alaska Airlines
2 STOPS
SAT
San Antonio
SAT
San Antonio
Alaska Airlines
1 STOPS
BWI
Baltimore
Pick dates
18 May - 09 Jun $ 1,442.00
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

23 May - 31 May $ 696.00
BWI
Baltimore
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BWI
Baltimore
Pick dates
23 May - 31 May $ 696.00
BWI
Baltimore
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BWI
Baltimore
Pick dates
23 May - 31 May $ 779.00
BWI
Baltimore
United Airlines
1 STOPS
SAT
San Antonio
SAT
San Antonio
United Airlines
1 STOPS
BWI
Baltimore
Pick dates

One-way flights to San Antonio from Baltimore

8:25 AM - 8:25 AM
United Airlines
0 Stops
8h 38m
BWI - SAT
$ 282
Kiwi
Pick dates
5:37 PM - 8:01 PM
United Airlines
1 Stops
6h 23m
BWI - SAT
$ 332
Kiwi
Pick dates
6:00 AM - 9:39 AM
United Airlines
1 Stops
5h 46m
BWI - SAT
$ 368
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.