Cheapest one-way AUS–SJU flights, June

AirHint found the following cheapest one-way flights from Austin (AUS) to San Juan (SJU) in June 2026 (see full year).

One-Way flights

25 Jun Frontier Airlines
06 Jun Frontier Airlines
15 Jun Frontier Airlines
22 Jun Frontier Airlines
17 Jun Frontier Airlines
20 Jun Frontier Airlines
13 Jun Frontier Airlines
07 Jun Delta
27 Jun Frontier Airlines
10 Jun Frontier Airlines

Also check the deals for return flights from Austin to San Juan in June.

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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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

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