Cheapest return ORD–SJU flights, July

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

Return flights

12 Jul - 16 Jul Frontier Airlines
12 Jul - 17 Jul Frontier Airlines
12 Jul - 19 Jul Frontier Airlines
30 Jul - 06 Aug Frontier Airlines
31 Jul - 06 Aug Frontier Airlines
08 Jul - 13 Jul Frontier Airlines
10 Jul - 13 Jul Frontier Airlines
10 Jul - 16 Jul Frontier Airlines
18 Jul - 25 Jul Frontier Airlines
26 Jul - 25 Aug Frontier Airlines
18 Jul - 22 Jul Frontier Airlines
12 Jul - 18 Jul Frontier Airlines
28 Jul - 06 Aug Frontier Airlines
15 Jul - 29 Jul Frontier Airlines
24 Jul - 01 Aug Frontier Airlines
23 Jul - 06 Aug Frontier Airlines
24 Jul - 06 Aug Frontier Airlines
27 Jul - 06 Aug Frontier Airlines
29 Jul - 06 Aug Frontier Airlines
30 Jul - 04 Aug Frontier Airlines

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

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