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

Return flights

25 Apr - 02 May	SWISS
21 Apr - 29 Apr	SWISS
25 Apr - 27 Apr	SWISS
25 Apr - 09 May	SWISS
26 Apr - 01 May	Air Canada
28 Apr - 12 May	SWISS
26 Apr - 29 Apr	SWISS
23 Apr - 30 Apr	SWISS
30 Apr - 07 May	SWISS
14 Apr - 21 Apr	SWISS
20 Apr - 30 Apr	SWISS
24 Apr - 01 May	SWISS
29 Apr - 16 May	SWISS
24 Apr - 08 May	SWISS
27 Apr - 02 May	SWISS
15 Apr - 22 Apr	Air Canada
26 Apr - 30 Apr	SWISS
16 Apr - 23 Apr	Air Canada
16 Apr - 30 Apr	Air Canada
19 Apr - 03 May	American Airlines

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 547€

Return flights