Cheapest return flights from Chicago to San Juan in July from $212

AirHint found the following cheapest return flights from Chicago (ORD) to San Juan (SJU) in July 2025 (see full year).

Return flights

12 Jul - 19 Jul Frontier Airlines
08 Jul - 15 Jul Spirit Airlines
08 Jul - 22 Jul Spirit Airlines
09 Jul - 15 Jul Frontier Airlines
08 Jul - 11 Jul Spirit Airlines
15 Jul - 29 Jul Frontier Airlines
04 Jul - 09 Jul Frontier Airlines
16 Jul - 19 Jul Frontier Airlines
09 Jul - 14 Jul Frontier Airlines
12 Jul - 14 Jul Frontier Airlines
28 Jul - 02 Aug Frontier Airlines
24 Jul - 02 Aug Frontier Airlines
23 Jul - 08 Aug jetBlue
26 Jul - 13 Aug Frontier Airlines
27 Jul - 02 Aug Spirit Airlines
24 Jul - 09 Aug Frontier Airlines
28 Jul - 11 Aug Frontier Airlines
14 Jul - 02 Aug Spirit Airlines
21 Jul - 09 Aug Spirit Airlines
21 Jul - 08 Aug Spirit Airlines

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

Skyscanner

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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