Cheapest return flights from Mexico City to Keflavik in October from $1120

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

10 Oct - 17 Oct Aeromexico
06 Oct - 16 Oct Delta
01 Oct - 16 Oct Delta
04 Oct - 16 Oct Delta
24 Oct - 31 Oct Aeromexico
03 Oct - 17 Oct Delta
12 Oct - 19 Oct Aeromexico
11 Oct - 18 Oct Delta
04 Oct - 12 Oct Delta
24 Oct - 01 Nov Aeromexico
19 Oct - 26 Oct Aeromexico
26 Oct - 01 Nov Aeromexico

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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