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

Return flights

25 Dec - 29 Dec	Delta	direct
29 Dec - 01 Jan	Delta	direct
12 Dec - 15 Dec	Delta	direct
29 Dec - 02 Jan	Delta	direct
30 Dec - 02 Jan	Delta	direct
28 Dec - 01 Jan	Delta	direct
28 Dec - 02 Jan	Delta	direct
29 Dec - 03 Jan	Delta	direct
30 Dec - 03 Jan	Delta	direct

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 501€

Return flights