Cheapest one-way flights from Austin to San Juan in July from $181

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

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

One-Way flights

05 Jul American Airlines
04 Jul Delta
05 Jul Southwest Airlines direct

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

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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