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

Return flights

03 Dec - 21 Jan	Iberia
11 Dec - 24 Jan	Iberia
25 Dec - 12 Jan	Delta
03 Dec - 21 Jan	Lufthansa	direct
25 Dec - 11 Jan	Delta
29 Dec - 08 Jan	British Airways
01 Dec - 08 Dec	Lufthansa
22 Dec - 23 Jan	British Airways
15 Dec - 13 Jan	Delta
01 Dec - 15 Dec	Air France
22 Dec - 12 Jan	KLM
11 Dec - 30 Dec	Lufthansa
22 Dec - 31 Dec	KLM
22 Dec - 13 Jan	Delta
10 Dec - 17 Dec	British Airways
17 Dec - 28 Dec	British Airways
18 Dec - 29 Dec	Air Canada
22 Dec - 29 Dec	Delta
11 Dec - 18 Dec	Volaris
13 Dec - 27 Dec	British Airways

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 713€

Return flights