Cheapest return flights from Ontario to San Juan in March from 262€

AirHint found the following cheapest return flights from Ontario (ONT) to San Juan (SJU) in March 2026 (see full year).

Return flights

01 Mar - 05 Mar United
04 Mar - 12 Mar Southwest Airlines
02 Mar - 06 Mar Southwest Airlines
03 Mar - 06 Mar Southwest Airlines
04 Mar - 10 Mar Southwest Airlines
02 Mar - 09 Mar Southwest Airlines
04 Mar - 08 Mar Southwest Airlines
10 Mar - 16 Mar Southwest Airlines
16 Mar - 25 Mar Southwest Airlines
09 Mar - 16 Mar Southwest Airlines
27 Mar - 03 Apr Southwest Airlines
31 Mar - 07 Apr Southwest Airlines
30 Mar - 06 Apr Southwest Airlines
31 Mar - 06 Apr Southwest Airlines
20 Mar - 03 Apr Southwest Airlines
28 Mar - 03 Apr Southwest Airlines
28 Mar - 06 Apr Southwest Airlines
27 Mar - 05 Apr Southwest Airlines
29 Mar - 05 Apr Southwest Airlines
22 Mar - 05 Apr Southwest Airlines

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

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