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Austin to San Antonio flights in March 2027 from $270 AUS → SAT

Austin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)

For departures in March 2027, the cheapest one-way found recently is $270 with Southwest Airlines, 22 Mar 2027, found 2 days ago.

One-way

In March 2027, the cheapest one-way fare on each of 7 departure dates is usually $239 to $255. Across all 12 departure dates we hold on this route, it is usually $223 to $255. Of the 2 months with enough one-way fares to compare, March 2027 is usually the most expensive.

Cheapest one-way found recently

$270

22 Mar 2027 · Southwest Airlines

Austin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)

1 stop

found 2 days ago

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Cheapest we hold, of any age

$223

23 Mar 2027 · Southwest Airlines

Austin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)

1 stop

found 4 days ago

Open this tripCheck today's price

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The cheapest dates in March 2027

DatesFromAirlineStopsFound
23 Mar 2027$223Southwest Airlines1 stopfound 4 days agoOpen this trip
24 Mar 2027$223Southwest Airlines1 stopfound 4 days agoOpen this trip
25 Mar 2027$255Southwest Airlines1 stopfound 4 days agoOpen this trip
26 Mar 2027$255Southwest Airlines1 stopfound 4 days agoOpen this trip
27 Mar 2027$255Southwest Airlines1 stopfound 4 days agoOpen this trip

Every date we hold

7 departure dates

22 Mar 2027: $270, found 2 days ago23 Mar 2027: $223, found 4 days ago24 Mar 2027: $223, found 4 days ago25 Mar 2027: $255, found 4 days ago26 Mar 2027: $255, found 4 days ago27 Mar 2027: $255, found 4 days ago28 Mar 2027: $255, found 4 days agoMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Mar 2027$270Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 2 days agoOpen this trip
23 Mar 2027$223Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip
24 Mar 2027$223Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip
25 Mar 2027$255Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip
26 Mar 2027$255Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip
27 Mar 2027$255Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip
28 Mar 2027$255Southwest AirlinesAustin-Bergstrom International Airport (AUS) → San Antonio International Airport (SAT)1 stopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $109.

December 2026From $109Cheapest seen5 departure dates8 Dec · found 4 days agoOpen this trip
March 2027From $2237 departure dates23 Mar 2027 · found 4 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work