Cheapest return flights from Austin to San Juan in January from 156€

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

Return flights

20 Jan - 23 Jan Spirit Airlines
06 Jan - 16 Jan Spirit Airlines
20 Jan - 22 Jan Spirit Airlines
20 Jan - 28 Jan Spirit Airlines
20 Jan - 04 Feb Spirit Airlines
06 Jan - 15 Jan Spirit Airlines
20 Jan - 31 Jan Spirit Airlines
20 Jan - 27 Jan Spirit Airlines
20 Jan - 07 Feb Spirit Airlines
20 Jan - 10 Feb Spirit Airlines
24 Jan - 28 Jan Spirit Airlines
12 Jan - 22 Jan Spirit Airlines
12 Jan - 28 Jan Spirit Airlines
24 Jan - 10 Feb Spirit Airlines
24 Jan - 04 Feb Spirit Airlines
25 Jan - 10 Feb Spirit Airlines
25 Jan - 04 Feb Spirit Airlines
21 Jan - 10 Feb Spirit Airlines
24 Jan - 07 Feb Spirit Airlines
28 Jan - 10 Feb Spirit Airlines

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

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