AirHint found the following cheapest return flights from Cancun (CUN) to London (STN) in October 2025 (see full year).

Return flights

03 Oct - 22 Oct	WORLD2FLY
13 Oct - 23 Oct	WORLD2FLY
06 Oct - 20 Oct	WORLD2FLY
31 Oct - 06 Nov	Iberojet
06 Oct - 13 Oct	WORLD2FLY
12 Oct - 20 Oct	TUI.nl
13 Oct - 20 Oct	WestJet
05 Oct - 12 Oct	TUI.nl
02 Oct - 10 Oct	WestJet
25 Oct - 01 Nov	WORLD2FLY
02 Oct - 09 Oct	WestJet
23 Oct - 30 Oct	WestJet
31 Oct - 08 Nov	WORLD2FLY
30 Oct - 06 Nov	Air Transat

Also check the deals for one-way flights from Cancun to London 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 Cancun to London in October from 642€

Return flights