AirHint found the following cheapest return flights from Minneapolis (MSP) to San Juan (SJU) in October 2025 (see full year).
Return flights
| 25 Oct - 01 Nov | Sun Country Airlines | direct | |
| 28 Oct - 04 Nov | Southwest Airlines | ||
| 30 Oct - 02 Nov | Sun Country Airlines |
Also check the deals for one-way flights from Minneapolis to San Juan in October.
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