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

Return flights

30 Dec - 27 Jan	Iberia
11 Dec - 24 Jan	Iberia
08 Dec - 29 Dec	Delta
30 Dec - 27 Jan	Lufthansa	direct
01 Dec - 11 Dec	Air Canada
25 Dec - 09 Jan	Delta
26 Dec - 14 Jan	Delta
09 Dec - 08 Jan	Delta
11 Dec - 24 Jan	Lufthansa	direct
22 Dec - 11 Jan	KLM
12 Dec - 17 Jan	British Airways
03 Dec - 30 Dec	Lufthansa
22 Dec - 13 Jan	KLM
11 Dec - 30 Dec	Lufthansa
22 Dec - 29 Dec	Delta
11 Dec - 30 Dec	Lufthansa	direct
15 Dec - 28 Dec	KLM
10 Dec - 16 Dec	British Airways
15 Dec - 26 Dec	Lufthansa

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

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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Cheapest return flights from Mexico City to Frankfurt in December from $824

Return flights