Cheapest return flights from Chicago to San Juan in August from 193€

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

Return flights

16 Aug - 21 Aug Spirit Airlines
16 Aug - 05 Sep Spirit Airlines
16 Aug - 22 Aug Spirit Airlines
16 Aug - 28 Aug Spirit Airlines
16 Aug - 29 Aug Spirit Airlines
16 Aug - 03 Sep Spirit Airlines
19 Aug - 21 Aug Spirit Airlines
19 Aug - 22 Aug Spirit Airlines
19 Aug - 28 Aug Spirit Airlines
19 Aug - 29 Aug Spirit Airlines
19 Aug - 05 Sep Spirit Airlines
19 Aug - 03 Sep Spirit Airlines
09 Aug - 16 Aug Frontier Airlines
23 Aug - 30 Aug Frontier Airlines
30 Aug - 06 Sep Frontier Airlines
30 Aug - 03 Sep Frontier Airlines
19 Aug - 06 Sep Spirit Airlines
31 Aug - 18 Sep Spirit Airlines
30 Aug - 18 Sep Spirit Airlines
29 Aug - 03 Sep Frontier Airlines

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

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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