Cheapest one-way flights from Mexico City to Keflavik in September from $558

Best time to book flights for Mexico City (MEX) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Mexico City (MEX) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

17 Sep Avianca

Also check the deals for return flights from Mexico City to Keflavik 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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