Cheapest return flights from Ontario to San Juan in November from $510

Best time to book flights for Ontario (ONT) to San Juan (SJU) flights at AirHint

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

Return flights

02 Nov - 16 Nov Southwest Airlines
09 Nov - 16 Nov Southwest Airlines
02 Nov - 09 Nov Southwest Airlines
09 Nov - 23 Nov Southwest Airlines
16 Nov - 23 Nov Southwest Airlines
23 Nov - 07 Dec Southwest Airlines
29 Nov - 05 Dec Southwest Airlines
30 Nov - 14 Dec Southwest Airlines
30 Nov - 07 Dec Southwest Airlines
16 Nov - 30 Nov Southwest Airlines
23 Nov - 30 Nov Southwest Airlines

Also check the deals for one-way flights from Ontario to San Juan in November.

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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