Cheapest return flights from Atlanta to San Juan in April from 155€

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

Return flights

11 Apr - 13 Apr Frontier Airlines
08 Apr - 13 Apr Frontier Airlines
07 Apr - 11 Apr Frontier Airlines
09 Apr - 13 Apr Frontier Airlines
06 Apr - 11 Apr Frontier Airlines
09 Apr - 15 Apr Frontier Airlines
08 Apr - 15 Apr Frontier Airlines
25 Apr - 02 May Spirit Airlines
01 Apr - 07 Apr Frontier Airlines
21 Apr - 25 Apr Spirit Airlines
15 Apr - 16 Apr Spirit Airlines
29 Apr - 09 May Spirit Airlines
21 Apr - 09 May Spirit Airlines
21 Apr - 02 May Spirit Airlines
28 Apr - 09 May Spirit Airlines
28 Apr - 02 May Spirit Airlines
15 Apr - 02 May Spirit Airlines
25 Apr - 09 May Spirit Airlines
22 Apr - 09 May Spirit Airlines
22 Apr - 02 May Spirit Airlines

Also check the deals for one-way flights from Atlanta to San Juan in April.

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