Cheapest one-way flights from St. Thomas to San Juan in August from 38€

AirHint found the following cheapest one-way flights from St. Thomas (STT) to San Juan (SJU) in August 2025 (see full year).

One-Way flights

04 Aug Frontier Airlines direct
15 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
11 Aug Frontier Airlines direct
08 Aug Frontier Airlines direct
01 Aug Frontier Airlines direct
12 Aug Cape Air direct
22 Aug Spirit Airlines
07 Aug Cape Air direct
06 Aug Spirit Airlines

Also check the deals for return flights from St. Thomas to San Juan in August.

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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