Cheapest return flights from Austin to San Juan in February from $138

AirHint found the following cheapest return flights from Austin (AUS) to San Juan (SJU) in February 2026 (see full year).

Return flights

05 Feb - 08 Feb Frontier Airlines
23 Feb - 26 Feb United
06 Feb - 09 Feb Frontier Airlines
20 Feb - 25 Feb Frontier Airlines
06 Feb - 08 Feb Frontier Airlines
24 Feb - 01 Mar Spirit Airlines
25 Feb - 01 Mar Spirit Airlines
05 Feb - 25 Feb Spirit Airlines
24 Feb - 25 Feb Spirit Airlines
21 Feb - 25 Feb Spirit Airlines
06 Feb - 25 Feb Spirit Airlines
21 Feb - 01 Mar Spirit Airlines
20 Feb - 01 Mar Spirit Airlines
12 Feb - 16 Feb jetBlue
24 Feb - 14 Mar Spirit Airlines
25 Feb - 14 Mar Spirit Airlines
21 Feb - 14 Mar Spirit Airlines

Also check the deals for one-way flights from Austin to San Juan in February.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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