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

Return flights

21 Jan - 28 Jan	British Airways
22 Jan - 02 Feb	British Airways
22 Jan - 05 Feb	KLM
22 Jan - 09 Feb	KLM
27 Jan - 05 Feb	KLM
27 Jan - 10 Feb	KLM
28 Jan - 07 Feb	KLM
22 Jan - 07 Feb	KLM
24 Jan - 03 Feb	KLM
21 Jan - 11 Feb	Virgin Atlantic
22 Jan - 29 Jan	Iberia
26 Jan - 13 Feb	British Airways
21 Jan - 26 Jan	Virgin Atlantic
23 Jan - 30 Jan	Iberia
12 Jan - 26 Jan	KLM
06 Jan - 28 Jan	British Airways
06 Jan - 27 Jan	British Airways
14 Jan - 26 Jan	Virgin Atlantic
16 Jan - 28 Jan	Iberia
23 Jan - 28 Jan	Iberia

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 634€

Return flights