AirHint found the following cheapest return flights from Mexico City (MEX) to London (LHR) in January 2026 (see full year).

Return flights

26 Jan - 04 Feb	Aer Lingus
12 Jan - 22 Jan	Volaris
21 Jan - 28 Jan	Aer Lingus
28 Jan - 04 Feb	Aer Lingus
16 Jan - 24 Jan	Volaris
26 Jan - 09 Feb	Flair Airlines
19 Jan - 30 Jan	Volaris
23 Jan - 01 Feb	Volaris
30 Jan - 07 Feb	Volaris
13 Jan - 20 Jan	Volaris
21 Jan - 31 Jan	Volaris
17 Jan - 24 Jan	Volaris
27 Jan - 03 Feb	Aer Lingus
20 Jan - 29 Jan	Volaris
26 Jan - 01 Feb	Aer Lingus
15 Jan - 24 Jan	Volaris
13 Jan - 22 Jan	Volaris
22 Jan - 11 Feb	Volaris
15 Jan - 02 Feb	Volaris
23 Jan - 08 Feb	Aeromexico

Also check the deals for one-way flights from Mexico City to London in January.

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 London in January from 623€

Return flights