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

Return flights

22 Sep - 08 Oct	Flair Airlines
22 Sep - 06 Oct	Volaris
19 Sep - 04 Oct	Flair Airlines
25 Sep - 11 Oct	Iberojet
05 Sep - 26 Sep	Spirit Airlines
04 Sep - 19 Sep	WestJet
17 Sep - 20 Sep	Air Transat
01 Sep - 20 Sep	Air Transat
05 Sep - 20 Sep	Air Transat
01 Sep - 30 Sep	Air Transat
03 Sep - 20 Sep	Air Transat
24 Sep - 06 Oct	Air Transat
02 Sep - 24 Sep	Air Transat
01 Sep - 24 Sep	Air Transat
24 Sep - 06 Oct	British Airways	direct
25 Sep - 11 Oct	British Airways	direct
02 Sep - 24 Sep	British Airways	direct
19 Sep - 04 Oct	British Airways	direct

Also check the deals for one-way flights from Cancun to London 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 Cancun to London in September from $913

Return flights