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

Return flights

23 Apr - 07 May	Lufthansa
21 Apr - 28 Apr	Lufthansa
13 Apr - 22 Apr	Lufthansa
13 Apr - 28 Apr	Lufthansa
13 Apr - 11 May	Lufthansa
15 Apr - 22 Apr	Lufthansa
15 Apr - 28 Apr	Lufthansa
20 Apr - 29 Apr	Lufthansa
14 Apr - 21 Apr	Lufthansa
30 Apr - 14 May	Lufthansa
13 Apr - 21 Apr	Lufthansa
15 Apr - 21 Apr	Lufthansa
22 Apr - 29 Apr	Lufthansa
24 Apr - 02 May	Lufthansa
28 Apr - 12 May	Lufthansa
29 Apr - 09 May	Lufthansa
13 Apr - 04 May	Lufthansa
27 Apr - 05 May	KLM
25 Apr - 03 May	KLM
27 Apr - 04 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 645€

Return flights