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

Return flights

01 Mar - 04 Mar	Frontier Airlines	direct
01 Mar - 05 Mar	Frontier Airlines	direct
02 Mar - 05 Mar	Frontier Airlines	direct
02 Mar - 06 Mar	jetBlue
03 Mar - 07 Mar	jetBlue
04 Mar - 08 Mar	jetBlue
03 Mar - 06 Mar	jetBlue
04 Mar - 07 Mar	jetBlue
05 Mar - 09 Mar	jetBlue
19 Mar - 23 Mar	jetBlue
31 Mar - 04 Apr	jetBlue
30 Mar - 02 Apr	American Airlines
28 Mar - 01 Apr	Southwest Airlines
31 Mar - 03 Apr	jetBlue
29 Mar - 02 Apr	jetBlue
30 Mar - 03 Apr	jetBlue
29 Mar - 01 Apr	Southwest Airlines
29 Mar - 02 Apr	Delta	direct
30 Mar - 03 Apr	Delta	direct
30 Mar - 02 Apr	Delta	direct

Also check the deals for one-way flights from Atlanta to San Juan 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 Juan in March from 208€

Return flights