Cheapest return flights from Ontario to San Juan in November from 353€

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

Return flights

02 Nov - 07 Nov Southwest Airlines
02 Nov - 09 Nov Southwest Airlines
02 Nov - 16 Nov Southwest Airlines
09 Nov - 16 Nov Southwest Airlines
28 Nov - 06 Dec Southwest Airlines
25 Nov - 04 Dec Southwest Airlines
28 Nov - 05 Dec Southwest Airlines
30 Nov - 07 Dec Southwest Airlines
23 Nov - 07 Dec Southwest Airlines
30 Nov - 14 Dec Southwest Airlines
09 Nov - 23 Nov Southwest Airlines
16 Nov - 23 Nov Southwest Airlines
20 Nov - 25 Nov Southwest Airlines
21 Nov - 22 Nov Southwest Airlines
22 Nov - 01 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.

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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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