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

Return flights

15 Jan - 20 Jan	Aer Lingus
19 Jan - 02 Feb	Air Canada
15 Jan - 29 Jan	Aer Lingus
13 Jan - 21 Jan	Lufthansa
14 Jan - 28 Jan	Lufthansa
14 Jan - 29 Jan	Lufthansa
20 Jan - 05 Feb	Lufthansa
25 Jan - 04 Feb	Lufthansa
14 Jan - 04 Feb	Lufthansa
20 Jan - 03 Feb	Lufthansa
16 Jan - 30 Jan	Lufthansa
15 Jan - 27 Jan	Lufthansa
22 Jan - 29 Jan	Lufthansa
22 Jan - 09 Feb	Lufthansa
15 Jan - 05 Feb	Lufthansa
15 Jan - 30 Jan	Brussels Airlines
28 Jan - 03 Feb	Iberia
19 Jan - 31 Jan	Lufthansa
30 Jan - 07 Feb	Air Canada
19 Jan - 15 Feb	Air Canada

Also check the deals for one-way flights from London to Mexico City 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 London to Mexico City in January from $733

Return flights