Cheapest return flights from Ontario to San Juan in July from 517€

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

Return flights

31 Jul - 14 Aug Southwest Airlines
29 Jul - 31 Jul Southwest Airlines
28 Jul - 30 Jul Southwest Airlines
29 Jul - 05 Aug Southwest Airlines
25 Jul - 30 Jul Southwest Airlines
24 Jul - 31 Jul Southwest Airlines
23 Jul - 28 Jul Southwest Airlines
25 Jul - 28 Jul Southwest Airlines
25 Jul - 01 Aug Southwest Airlines
26 Jul - 02 Aug Southwest Airlines
31 Jul - 15 Aug Southwest Airlines
30 Jul - 05 Aug Southwest Airlines
31 Jul - 05 Aug Southwest Airlines
29 Jul - 06 Aug Southwest Airlines
31 Jul - 06 Aug Southwest Airlines
31 Jul - 03 Aug Southwest Airlines
27 Jul - 30 Jul Southwest Airlines

Also check the deals for one-way flights from Ontario 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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