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

Return flights

17 Apr - 27 Apr	Air Dolomiti
17 Apr - 26 Apr	Air Dolomiti
21 Apr - 29 Apr	KLM
14 Apr - 21 Apr	KLM
20 Apr - 30 Apr	Lufthansa
29 Apr - 16 May	SWISS
13 Apr - 21 Apr	KLM
13 Apr - 22 Apr	Lufthansa
22 Apr - 27 Apr	KLM
15 Apr - 25 Apr	SWISS
15 Apr - 21 Apr	SWISS
26 Apr - 01 May	KLM
30 Apr - 10 May	KLM
24 Apr - 08 May	Air Dolomiti
28 Apr - 03 May	KLM
25 Apr - 02 May	SWISS
30 Apr - 07 May	KLM
26 Apr - 03 May	KLM
25 Apr - 09 May	SWISS
28 Apr - 12 May	KLM

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

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 April from 618€

Return flights