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

Return flights

20 Jan - 27 Jan	SWISS
20 Jan - 03 Feb	SWISS
07 Jan - 20 Jan	SWISS
13 Jan - 20 Jan	SWISS
20 Jan - 26 Jan	Lufthansa
20 Jan - 29 Jan	SWISS
13 Jan - 27 Jan	SWISS
22 Jan - 27 Jan	SWISS
27 Jan - 10 Feb	SWISS
06 Jan - 20 Jan	SWISS
05 Jan - 20 Jan	SWISS
15 Jan - 27 Jan	SWISS
27 Jan - 03 Feb	SWISS
27 Jan - 12 Feb	SWISS
07 Jan - 04 Feb	Lufthansa
29 Jan - 12 Feb	SWISS
29 Jan - 05 Feb	SWISS
19 Jan - 08 Feb	Delta
14 Jan - 12 Feb	Delta
27 Jan - 01 Feb	Delta

Also check the deals for one-way flights from London to Cancun 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 Cancun in January from $695

Return flights