Cheapest return flights from Mexico City to Keflavik in October from $745

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

AirHint found the following cheapest return flights from Mexico City (MEX) to Keflavik (KEF) in October 2025 (see full year).

Return flights

22 Oct - 03 Nov Volaris
01 Oct - 08 Oct Aeromexico
07 Oct - 20 Oct Delta
06 Oct - 13 Oct Delta
16 Oct - 23 Oct Delta
02 Oct - 09 Oct Delta
17 Oct - 28 Oct Viva Aerobus
24 Oct - 14 Nov Viva Aerobus
12 Oct - 25 Oct Delta
02 Oct - 12 Oct Delta

Also check the deals for one-way flights from Mexico City to Keflavik in October.

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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