Cheapest return flights from Chicago to San Juan in August from 192€

AirHint found the following cheapest return flights from Chicago (ORD) to San Juan (SJU) in August 2026 (see full year).

Return flights

12 Aug - 18 Aug Frontier Airlines
18 Aug - 25 Aug Frontier Airlines direct
11 Aug - 18 Aug Frontier Airlines direct
04 Aug - 12 Aug Frontier Airlines
03 Aug - 12 Aug Frontier Airlines
29 Aug - 02 Sep Frontier Airlines
12 Aug - 19 Aug Frontier Airlines
25 Aug - 29 Aug Frontier Airlines
18 Aug - 02 Sep Spirit Airlines direct
25 Aug - 02 Sep Spirit Airlines direct
18 Aug - 19 Aug Spirit Airlines direct
05 Aug - 11 Aug Frontier Airlines
08 Aug - 12 Aug Frontier Airlines
20 Aug - 02 Sep Frontier Airlines
18 Aug - 05 Sep Spirit Airlines direct
25 Aug - 05 Sep Spirit Airlines direct
27 Aug - 02 Sep Spirit Airlines direct
20 Aug - 02 Sep Spirit Airlines direct
29 Aug - 05 Sep Spirit Airlines
20 Aug - 05 Sep Spirit Airlines direct

Also check the deals for one-way flights from Chicago to San Juan in August.

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