AirHint found the following cheapest return flights from Atlanta (ATL) to San Salvador (SAL) in January 2026 (see full year).

Return flights

22 Jan - 27 Jan	Spirit Airlines
22 Jan - 03 Feb	Spirit Airlines
22 Jan - 10 Feb	Spirit Airlines
29 Jan - 03 Feb	Spirit Airlines
29 Jan - 10 Feb	Spirit Airlines
08 Jan - 27 Jan	Spirit Airlines
22 Jan - 26 Jan	Spirit Airlines
05 Jan - 14 Jan	Frontier Airlines
17 Jan - 24 Jan	Frontier Airlines
01 Jan - 06 Jan	Spirit Airlines
22 Jan - 26 Jan	Delta	direct
29 Jan - 15 Feb	Spirit Airlines
04 Jan - 06 Jan	Spirit Airlines
01 Jan - 05 Jan	Spirit Airlines
17 Jan - 24 Jan	Delta	direct

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

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 San Salvador in January from 172€

Return flights