AirHint found the following cheapest return flights from Houston (HOU) to St. Thomas (STT) in October 2025 (see full year).

Return flights

06 Oct - 16 Oct	Spirit Airlines
06 Oct - 11 Oct	Spirit Airlines
06 Oct - 15 Oct	Spirit Airlines
09 Oct - 16 Oct	Spirit Airlines
09 Oct - 11 Oct	Spirit Airlines
06 Oct - 10 Oct	Spirit Airlines
09 Oct - 15 Oct	Spirit Airlines
12 Oct - 16 Oct	Spirit Airlines
06 Oct - 13 Oct	Spirit Airlines
12 Oct - 15 Oct	Spirit Airlines

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

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 October from 220€

Return flights