Cheapest return flights from Mexico City to Keflavik in December from $895

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

Return flights

08 Dec - 15 Dec Viva
01 Dec - 10 Dec Aeromexico
01 Dec - 07 Dec Aeromexico
08 Dec - 23 Dec Viva
17 Dec - 25 Dec Viva
02 Dec - 09 Dec Volaris
19 Dec - 07 Jan Viva
16 Dec - 22 Dec Volaris
21 Dec - 30 Dec Viva
03 Dec - 17 Dec Viva
23 Dec - 31 Dec Viva
18 Dec - 03 Jan Volaris
25 Dec - 04 Jan Viva
22 Dec - 03 Jan Viva
31 Dec - 07 Jan Aeromexico

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

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

Feel free to contact us with any feedback or request another flight research.