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

Return flights

16 Sep - 30 Sep	Ryanair
08 Sep - 16 Sep	Ryanair
14 Sep - 24 Sep	Wizz Air UK
21 Sep - 24 Sep	Wizz Air UK
01 Sep - 16 Sep	Wizz Air UK
02 Sep - 16 Sep	Wizz Air UK
01 Sep - 08 Sep	Wizz Air UK
09 Sep - 23 Sep	Wizz Air UK
26 Sep - 06 Oct	Wizz Air UK
09 Sep - 20 Sep	Ryanair
21 Sep - 27 Sep	Wizz Air UK
23 Sep - 07 Oct	Wizz Air UK
27 Sep - 10 Oct	Wizz Air UK
18 Sep - 02 Oct	Wizz Air UK
17 Sep - 02 Oct	Wizz Air Malta
26 Sep - 03 Oct	easyJet
29 Sep - 05 Oct	Wizz Air UK
29 Sep - 08 Oct	Wizz Air UK

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

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 September from 679€

Return flights