Cheapest one-way flights from Austin to San Juan in June from $112

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

One-Way flights

28 Jun Spirit Airlines
20 Jun Frontier Airlines
22 Jun Frontier Airlines
16 Jun Frontier Airlines
23 Jun Frontier Airlines
26 Jun Spirit Airlines
25 Jun Spirit Airlines
12 Jun Frontier Airlines
21 Jun Spirit Airlines
14 Jun American Airlines

Also check the deals for return 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

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