Cheapest return flights from Ontario to San Juan in March from 430€

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

Return flights

03 Mar - 07 Mar Southwest Airlines
22 Mar - 28 Mar Southwest Airlines
01 Mar - 08 Mar Southwest Airlines
06 Mar - 16 Mar Southwest Airlines
31 Mar - 04 Apr Southwest Airlines
15 Mar - 29 Mar Southwest Airlines
22 Mar - 29 Mar Southwest Airlines
20 Mar - 28 Mar Southwest Airlines
15 Mar - 22 Mar Southwest Airlines
01 Mar - 15 Mar Southwest Airlines
08 Mar - 15 Mar Southwest Airlines
27 Mar - 04 Apr Southwest Airlines
22 Mar - 05 Apr Southwest Airlines
29 Mar - 05 Apr Southwest Airlines

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

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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