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

Return flights

13 Jan - 21 Jan	Spirit Airlines
14 Jan - 21 Jan	Spirit Airlines
15 Jan - 21 Jan	Spirit Airlines
19 Jan - 21 Jan	Spirit Airlines
19 Jan - 07 Feb	Spirit Airlines
13 Jan - 18 Jan	Spirit Airlines
13 Jan - 15 Jan	Spirit Airlines
13 Jan - 17 Jan	Spirit Airlines
10 Jan - 15 Jan	Spirit Airlines
10 Jan - 17 Jan	Spirit Airlines
10 Jan - 15 Jan	Delta	direct
19 Jan - 08 Feb	Delta	direct
19 Jan - 09 Feb	Spirit Airlines

Also check the deals for one-way flights from Atlanta to San Jose 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 Jose in January from 309€

Return flights