Cheapest return ORD–SJU flights, June

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

Return flights

29 Jun - 04 Jul Frontier Airlines
29 Jun - 03 Jul Frontier Airlines
09 Jun - 16 Jun Frontier Airlines
12 Jun - 16 Jun Frontier Airlines
13 Jun - 18 Jun Frontier Airlines
26 Jun - 03 Jul Frontier Airlines
02 Jun - 09 Jun Frontier Airlines
01 Jun - 10 Jun Frontier Airlines
01 Jun - 08 Jun Frontier Airlines
01 Jun - 06 Jun Frontier Airlines
16 Jun - 24 Jun Frontier Airlines
16 Jun - 20 Jun Frontier Airlines
18 Jun - 25 Jun Frontier Airlines
29 Jun - 02 Jul Frontier Airlines
27 Jun - 08 Jul Frontier Airlines
28 Jun - 08 Jul Frontier Airlines
30 Jun - 07 Jul Frontier Airlines
30 Jun - 04 Jul Frontier Airlines
30 Jun - 07 Jul United direct
16 Jun - 21 Jul Frontier Airlines

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

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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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