Cheapest return flights from Austin to San Juan in March from 241€

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

Return flights

04 Mar - 11 Mar Southwest Airlines
07 Mar - 14 Mar Frontier Airlines
31 Mar - 01 Apr Spirit Airlines
04 Mar - 08 Mar Spirit Airlines
04 Mar - 19 Mar Spirit Airlines
07 Mar - 11 Mar Spirit Airlines
29 Mar - 01 Apr Spirit Airlines
07 Mar - 19 Mar Spirit Airlines
07 Mar - 27 Mar Spirit Airlines
04 Mar - 16 Mar Spirit Airlines
04 Mar - 14 Mar Spirit Airlines
07 Mar - 16 Mar Spirit Airlines
15 Mar - 01 Apr Spirit Airlines

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

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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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