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

Return flights

07 Oct - 21 Oct	Air Dolomiti
29 Oct - 05 Nov	Air Dolomiti
28 Oct - 08 Nov	Air Dolomiti
30 Oct - 10 Nov	Air Dolomiti
31 Oct - 10 Nov	KLM
28 Oct - 07 Nov	Air Dolomiti
31 Oct - 22 Nov	SWISS
02 Oct - 11 Oct	Air Dolomiti
27 Oct - 07 Nov	Air Dolomiti
14 Oct - 08 Nov	Air Dolomiti
26 Oct - 07 Nov	Air Dolomiti
26 Oct - 14 Nov	Air Dolomiti
08 Oct - 16 Oct	Air Dolomiti
07 Oct - 14 Oct	Air Dolomiti
05 Oct - 13 Oct	SWISS
21 Oct - 29 Oct	Air Dolomiti
01 Oct - 13 Oct	Iberia
05 Oct - 19 Oct	KLM
05 Oct - 26 Oct	British Airways
06 Oct - 12 Oct	Iberia

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 753€

Return flights