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

Return flights

05 Jan - 15 Jan	KLM
14 Jan - 22 Jan	KLM
12 Jan - 19 Jan	SWISS
21 Jan - 10 Feb	KLM
16 Jan - 27 Jan	KLM
02 Jan - 15 Jan	KLM
23 Jan - 27 Jan	KLM
07 Jan - 17 Jan	KLM
05 Jan - 05 Feb	Virgin Atlantic
05 Jan - 09 Feb	KLM
21 Jan - 28 Jan	Delta
11 Jan - 20 Jan	Delta
13 Jan - 28 Jan	Delta
28 Jan - 04 Feb	Delta
12 Jan - 12 Feb	Delta
12 Jan - 09 Feb	KLM
30 Jan - 17 Feb	Delta
23 Jan - 02 Feb	Lufthansa
25 Jan - 08 Feb	KLM
19 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 555€

Return flights