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Cheap flights from Seattle (BFI) to San Antonio (SAT)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Seattle (BFI) to San Antonio (SAT)

How to find the cheapest flight from Seattle (BFI) to San Antonio (SAT)
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How to find the cheapest flight from Seattle (BFI) to San Antonio (SAT)
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How to find the cheapest flight from Seattle (BFI) to San Antonio (SAT)
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Cheap flights from Seattle to San Antonio in December 2025 , January 2026

31 Dec - 08 Jan $ 828.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
31 Dec - 11 Jan $ 828.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
31 Dec - 16 Jan $ 841.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to San Antonio

24 Dec - 02 Jan $ 1,058.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
3 STOPS
BFI
Seattle
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24 Dec - 02 Jan $ 1,114.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
22 Dec - 02 Jan $ 1,216.00
BFI
Seattle
Air Excursions
2 STOPS
SAT
San Antonio
SAT
San Antonio
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to San Antonio from Seattle

9:35 AM - 6:15 AM
Frontier Airlines
2 Stops
21h 48m
BFI - SAT
$ 454
Kiwi
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8:05 AM - 6:15 AM
Frontier Airlines
2 Stops
23h 18m
BFI - SAT
$ 459
Kiwi
Pick dates
5:25 PM - 6:15 AM
Frontier Airlines
2 Stops
13h 58m
BFI - SAT
$ 550
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to San Antonio (SAT)

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