Cheapest return flights from Austin to San Juan in April from $329

Best time to book flights for Austin (AUS) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Austin (AUS) to San Juan (SJU) in April 2025 (see full year).

Return flights

28 Apr - 05 May Frontier Airlines
28 Apr - 02 May Frontier Airlines
26 Apr - 30 Apr Delta
26 Apr - 03 May American Airlines
29 Apr - 06 May American Airlines

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

Skyscanner

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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