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

Return flights

13 Oct - 23 Oct	WORLD2FLY
30 Oct - 06 Nov	TAP
18 Oct - 25 Oct	Flair Airlines
31 Oct - 06 Nov	TAP
01 Oct - 15 Oct	TUI fly Belgium
05 Oct - 21 Oct	TUI.nl
07 Oct - 19 Oct	Air Canada
31 Oct - 07 Nov	WORLD2FLY
04 Oct - 12 Oct	WORLD2FLY
15 Oct - 19 Oct	Condor
07 Oct - 26 Oct	Air Canada
23 Oct - 30 Oct	WestJet
10 Oct - 17 Oct	WORLD2FLY

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 $801

Return flights