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

Return flights

19 Jan - 02 Feb	TUI	direct
29 Jan - 05 Feb	TUI	direct
22 Jan - 05 Feb	TUI	direct
20 Jan - 03 Feb	TUI	direct
27 Jan - 03 Feb	TUI	direct
27 Jan - 10 Feb	TUI	direct
30 Jan - 06 Feb	TUI	direct
23 Jan - 06 Feb	TUI	direct
30 Jan - 13 Feb	TUI	direct
20 Jan - 27 Jan	TUI	direct
20 Jan - 27 Jan	British Airways
19 Jan - 29 Jan	British Airways
18 Jan - 28 Jan	British Airways
18 Jan - 27 Jan	British Airways
21 Jan - 29 Jan	British Airways
20 Jan - 29 Jan	British Airways
21 Jan - 28 Jan	British Airways
28 Jan - 15 Feb	British Airways
22 Jan - 29 Jan	TUI	direct
23 Jan - 25 Jan	Icelandair

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 498€

Return flights