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

Return flights

19 Jan - 27 Jan	KLM
14 Jan - 22 Jan	KLM
07 Jan - 22 Jan	KLM
21 Jan - 27 Jan	KLM
23 Jan - 27 Jan	KLM
13 Jan - 22 Jan	Delta
20 Jan - 27 Jan	Delta
13 Jan - 20 Jan	Delta
11 Jan - 20 Jan	Delta
13 Jan - 29 Jan	Delta
28 Jan - 04 Feb	Delta
27 Jan - 10 Feb	Delta
23 Jan - 09 Feb	Delta
30 Jan - 14 Feb	Delta
07 Jan - 02 Feb	Lufthansa
28 Jan - 06 Feb	Delta
27 Jan - 02 Feb	Lufthansa
29 Jan - 05 Feb	Lufthansa
22 Jan - 09 Feb	Lufthansa
22 Jan - 02 Feb	Lufthansa

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 $668

Return flights