Cheapest return flights from St. Thomas to San Juan in July from 342€

AirHint found the following cheapest return flights from St. Thomas (STT) to San Juan (SJU) in July 2026 (see full year).

Return flights

14 Jul - 19 Jul Cape Air direct
10 Jul - 19 Jul Cape Air direct
10 Jul - 14 Jul Spirit Airlines
17 Jul - 05 Aug Spirit Airlines
27 Jul - 05 Aug Spirit Airlines
19 Jul - 05 Aug Spirit Airlines
10 Jul - 23 Jul Spirit Airlines
17 Jul - 23 Jul Spirit Airlines
17 Jul - 06 Aug Spirit Airlines
17 Jul - 19 Jul Spirit Airlines
19 Jul - 23 Jul Spirit Airlines
27 Jul - 06 Aug Spirit Airlines
19 Jul - 06 Aug Spirit Airlines

Also check the deals for one-way flights from St. Thomas to San Juan in July.

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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.

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