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

Return flights

19 Mar - 24 Mar	Copa
19 Mar - 26 Mar	Copa
19 Mar - 29 Mar	Copa
26 Mar - 29 Mar	Copa
18 Mar - 25 Mar	United
18 Mar - 25 Mar	Delta	direct
06 Mar - 15 Mar	Frontier Airlines
25 Mar - 01 Apr	United
13 Mar - 22 Mar	Frontier Airlines
19 Mar - 24 Mar	Delta	direct
19 Mar - 29 Mar	Delta	direct

Also check the deals for one-way flights from Atlanta to San Jose in March.

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 March from 340€

Return flights