AirHint found the following cheapest return flights from Atlanta (ATL) to St. Thomas (STT) in December 2025 (see full year).

Return flights

03 Dec - 08 Dec	Spirit Airlines
03 Dec - 07 Dec	Spirit Airlines
07 Dec - 08 Dec	Spirit Airlines
05 Dec - 08 Dec	Spirit Airlines
10 Dec - 13 Dec	Spirit Airlines
05 Dec - 07 Dec	Spirit Airlines
09 Dec - 13 Dec	Delta	direct
23 Dec - 28 Dec	Delta	direct
07 Dec - 28 Dec	Spirit Airlines
16 Dec - 20 Dec	Spirit Airlines
23 Dec - 06 Jan	Spirit Airlines
23 Dec - 02 Jan	Spirit Airlines

Also check the deals for one-way flights from Atlanta to St. Thomas in December.

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 Atlanta to St. Thomas in December from 264€

Return flights