Cheapest return flights from Ontario (ONT) to San Juan (SJU), November

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Nov 05 Dec Delta
04 Nov 14 Nov Southwest Airlines
02 Nov 08 Nov Southwest Airlines
01 Nov 08 Nov Southwest Airlines
13 Nov 21 Nov Southwest Airlines
27 Nov 01 Dec Southwest Airlines
21 Nov 28 Nov Southwest Airlines
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deals for one-way flights from Ontario to San Juan in November.

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Updated Jul 10, 2026.

About these fares

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