AirHint found the following cheapest return flights from Atlanta (ATL) to San Salvador (SAL) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	Spirit Airlines
06 Dec - 13 Dec	Spirit Airlines
30 Dec - 15 Jan	Copa
10 Dec - 15 Dec	Frontier Airlines
30 Dec - 07 Jan	Copa
05 Dec - 12 Dec	Frontier Airlines	direct
30 Dec - 12 Jan	Copa
29 Dec - 11 Jan	Copa
30 Dec - 11 Jan	Copa
01 Dec - 15 Jan	Spirit Airlines
12 Dec - 21 Dec	Spirit Airlines
27 Dec - 12 Jan	Copa
15 Dec - 07 Jan	Copa
29 Dec - 10 Jan	Copa
14 Dec - 07 Jan	Frontier Airlines
22 Dec - 25 Dec	Frontier Airlines
06 Dec - 13 Dec	Delta	direct
19 Dec - 28 Dec	Frontier Airlines
12 Dec - 21 Dec	Delta	direct
10 Dec - 15 Dec	Delta	direct

Also check the deals for one-way flights from Atlanta to San Salvador 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.

Book a cheap hotel in San Salvador

Cheap car rent in San Salvador

Cheapest return flights from Atlanta to San Salvador in December from 263€

Return flights