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

Return flights

27 Sep - 11 Oct	Wizz Air UK
26 Sep - 06 Oct	Wizz Air UK
14 Sep - 27 Sep	Wizz Air UK
14 Sep - 21 Sep	Wizz Air UK
17 Sep - 27 Sep	Wizz Air UK
02 Sep - 16 Sep	easyJet
19 Sep - 29 Sep	Wizz Air UK
02 Sep - 10 Sep	Wizz Air UK
13 Sep - 20 Sep	Wizz Air UK
12 Sep - 27 Sep	Wizz Air Malta
23 Sep - 28 Sep	Wizz Air Malta
06 Sep - 13 Sep	Wizz Air UK
16 Sep - 03 Oct	Wizz Air Malta

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 742€

Return flights