Cheapest return flights from Monterrey to San Juan in September from 511€

AirHint found the following cheapest return flights from Monterrey (MTY) to San Juan (SJU) in September 2026 (see full year).

Return flights

07 Sep - 17 Sep United
08 Sep - 13 Sep United
04 Sep - 07 Sep Aeromexico

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

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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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