Cheapest return ATL–SJO flights, June

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

Return flights

16 Jun - 18 Jun Frontier Airlines
01 Jun - 04 Jun Frontier Airlines
12 Jun - 16 Jun Frontier Airlines
11 Jun - 16 Jun Frontier Airlines
11 Jun - 15 Jun Frontier Airlines
03 Jun - 07 Jun Frontier Airlines
13 Jun - 21 Jun Frontier Airlines
22 Jun - 25 Jun Frontier Airlines
06 Jun - 10 Jun Frontier Airlines
05 Jun - 09 Jun United
26 Jun - 03 Jul Frontier Airlines
25 Jun - 02 Jul Southwest Airlines
27 Jun - 02 Jul Delta direct
26 Jun - 03 Jul Delta direct
25 Jun - 02 Jul Delta direct

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

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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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