Cheapest return flights from Austin to San Juan in June from $232

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

Return flights

23 Jun - 02 Jul Frontier Airlines
16 Jun - 23 Jun Frontier Airlines
13 Jun - 16 Jun Frontier Airlines
13 Jun - 20 Jun Frontier Airlines
19 Jun - 22 Jun Frontier Airlines
19 Jun - 23 Jun Frontier Airlines
27 Jun - 30 Jun Frontier Airlines
26 Jun - 29 Jun Frontier Airlines
13 Jun - 15 Jun Frontier Airlines
28 Jun - 17 Jul Spirit Airlines
25 Jun - 30 Jun Spirit Airlines
25 Jun - 29 Jun Spirit Airlines
28 Jun - 13 Jul Spirit Airlines
28 Jun - 18 Jul Spirit Airlines
26 Jun - 17 Jul Spirit Airlines
25 Jun - 04 Jul Spirit Airlines
25 Jun - 13 Jul Spirit Airlines
26 Jun - 04 Jul Spirit Airlines
26 Jun - 13 Jul Spirit Airlines
27 Jun - 17 Jul Spirit Airlines

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

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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