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

Return flights

19 Jan - 03 Feb	Iberia
21 Jan - 28 Jan	Iberia
19 Jan - 28 Jan	Iberia
27 Jan - 24 Feb	Iberia
28 Jan - 11 Feb	Iberia
27 Jan - 07 Feb	Iberia
21 Jan - 04 Feb	Iberia
20 Jan - 04 Feb	Iberia
28 Jan - 05 Feb	Iberia
25 Jan - 05 Feb	Iberia
26 Jan - 05 Feb	Iberia
26 Jan - 02 Feb	Iberia
18 Jan - 28 Jan	British Airways
14 Jan - 27 Jan	British Airways
16 Jan - 23 Jan	British Airways
16 Jan - 31 Jan	British Airways
13 Jan - 20 Jan	Viva
12 Jan - 21 Jan	Iberia
17 Jan - 25 Jan	British Airways
16 Jan - 25 Jan	British Airways

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 $701

Return flights