Cheapest return flights from London to Cancun in September from 634€

Best time to book flights for London (LHR) to Cancun (CUN) flights at AirHint

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

Return flights

09 Sep - 23 Sep Lufthansa
04 Sep - 18 Sep KLM
08 Sep - 18 Sep KLM
18 Sep - 22 Sep KLM
10 Sep - 17 Sep KLM
11 Sep - 18 Sep KLM
18 Sep - 02 Oct KLM
16 Sep - 23 Sep Lufthansa
14 Sep - 21 Sep KLM
15 Sep - 24 Sep Lufthansa
09 Sep - 19 Sep Lufthansa
30 Sep - 07 Oct jetBlue
28 Sep - 05 Oct Lufthansa
24 Sep - 02 Oct KLM
22 Sep - 05 Oct Lufthansa
30 Sep - 14 Oct jetBlue
27 Sep - 04 Oct KLM
26 Sep - 10 Oct KLM
27 Sep - 11 Oct KLM

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

Skyscanner

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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