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

Return flights

16 Dec - 01 Jan	Lufthansa
15 Dec - 26 Dec	Lufthansa
20 Dec - 10 Jan	British Airways
20 Dec - 11 Jan	British Airways
20 Dec - 02 Jan	British Airways
20 Dec - 03 Jan	British Airways
19 Dec - 03 Jan	British Airways

Also check the deals for one-way flights from Basel to Mexico City 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 Basel to Mexico City in December from $1012

Return flights