Cheapest one-way flights from London to Cancun in May from $435

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

AirHint found the following cheapest one-way flights from London (LHR) to Cancun (CUN) in May 2025 (see full year).

One-Way flights

12 May British Airways
08 May Aegean Airlines
03 May Aegean Airlines
01 May Icelandair
05 May Vueling Airlines
09 May Iberia
11 May British Airways
29 May British Airways
28 May Vueling Airlines
30 May Vueling Airlines

Also check the deals for return flights from London to Cancun in May.

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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