AirHint found the following cheapest return flights from Houston (IAH) to St. Thomas (STT) in June 2026 (see full year).

Return flights

09 Jun - 16 Jun	Spirit Airlines
05 Jun - 08 Jun	United	direct
27 Jun - 04 Jul	United	direct
25 Jun - 28 Jun	United	direct
08 Jun - 16 Jun	Spirit Airlines
08 Jun - 13 Jun	Spirit Airlines
08 Jun - 13 Jun	United	direct
03 Jun - 07 Jun	United	direct
09 Jun - 13 Jun	Spirit Airlines
05 Jun - 16 Jun	Spirit Airlines
05 Jun - 13 Jun	Spirit Airlines

Also check the deals for one-way flights from Houston to St. Thomas in June.

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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Cheapest return flights from Houston to St. Thomas in June from 391€

Return flights