Cheapest return flights from Mexico City to Keflavik in October from $785

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

06 Oct - 13 Oct Aeromexico
17 Oct - 25 Oct Aeromexico
10 Oct - 20 Oct WestJet
11 Oct - 18 Oct Viva Aerobus
17 Oct - 23 Oct Viva Aerobus
03 Oct - 12 Oct Volaris
06 Oct - 15 Oct Delta
08 Oct - 15 Oct Delta
06 Oct - 21 Oct Delta
07 Oct - 25 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik