Cheapest return flights from Monterrey to San Juan in September from $544

Best time to book flights for Monterrey (MTY) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Monterrey (MTY) to San Juan (SJU) in September 2025 (see full year).

Return flights

18 Sep - 22 Sep United

Also check the deals for one-way flights from Monterrey to San Juan in September.

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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