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

Return flights

29 Apr - 06 May	jetBlue
14 Apr - 22 Apr	Air Canada
14 Apr - 27 Apr	Air Canada
16 Apr - 21 Apr	Air Canada
23 Apr - 03 May	Air Canada
22 Apr - 28 Apr	Air Canada
22 Apr - 29 Apr	Air Canada
14 Apr - 21 Apr	Air Canada
22 Apr - 27 Apr	Air Canada
23 Apr - 27 Apr	Air Canada
16 Apr - 22 Apr	Air Canada
21 Apr - 26 Apr	Air Canada
30 Apr - 05 May	SWISS
30 Apr - 06 May	Air Canada
28 Apr - 12 May	SWISS
20 Apr - 04 May	SWISS
20 Apr - 03 May	SWISS
29 Apr - 03 May	Air Canada
27 Apr - 03 May	SWISS
27 Apr - 04 May	SWISS

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 613€

Return flights