Cheapest return ATL–SJU flights, April

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

Return flights

20 Apr - 24 Apr Frontier Airlines
21 Apr - 24 Apr Frontier Airlines
25 Apr - 02 May Spirit Airlines
28 Apr - 05 May Frontier Airlines
29 Apr - 12 May Frontier Airlines
29 Apr - 03 May Frontier Airlines
26 Apr - 05 May Frontier Airlines
27 Apr - 29 Apr Frontier Airlines
25 Apr - 28 Apr Spirit Airlines
25 Apr - 01 May Spirit Airlines
25 Apr - 29 Apr Spirit Airlines
25 Apr - 15 May Spirit Airlines
25 Apr - 08 May Spirit Airlines
26 Apr - 02 May Frontier Airlines
26 Apr - 28 Apr Spirit Airlines
24 Apr - 28 Apr Frontier Airlines
26 Apr - 30 Apr Frontier Airlines
26 Apr - 29 Apr Frontier Airlines
22 Apr - 27 Apr Frontier Airlines
27 Apr - 01 May Spirit Airlines

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

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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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