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

Return flights

26 Oct - 10 Nov	KLM
28 Oct - 12 Nov	Lufthansa
28 Oct - 08 Nov	Lufthansa
27 Oct - 10 Nov	Lufthansa
28 Oct - 11 Nov	Lufthansa
28 Oct - 07 Nov	SWISS
31 Oct - 21 Nov	SWISS
30 Oct - 07 Nov	SWISS
23 Oct - 03 Nov	SWISS
23 Oct - 31 Oct	Air Dolomiti
28 Oct - 14 Nov	SWISS
19 Oct - 29 Oct	Lufthansa
03 Oct - 29 Oct	SWISS
17 Oct - 27 Oct	SWISS
02 Oct - 31 Oct	SWISS
19 Oct - 27 Oct	Lufthansa
03 Oct - 17 Oct	SWISS
09 Oct - 25 Oct	Lufthansa
09 Oct - 24 Oct	SWISS
16 Oct - 25 Oct	Lufthansa

Also check the deals for one-way flights from London to Cancun in October.

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 October from $786

Return flights