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

Return flights

13 Jun - 19 Jun	KLM
03 Jun - 09 Jun	KLM
01 Jun - 23 Jun	KLM
06 Jun - 27 Jun	SWISS
13 Jun - 27 Jun	SWISS
06 Jun - 20 Jun	SWISS
13 Jun - 20 Jun	SWISS
20 Jun - 30 Jun	SWISS
05 Jun - 20 Jun	SWISS
20 Jun - 04 Jul	SWISS
20 Jun - 27 Jun	SWISS
27 Jun - 07 Jul	SWISS
26 Jun - 04 Jul	SWISS
27 Jun - 04 Jul	SWISS
18 Jun - 06 Jul	KLM
10 Jun - 01 Jul	Air Dolomiti
15 Jun - 02 Jul	Air Dolomiti
23 Jun - 01 Jul	Air Dolomiti
28 Jun - 19 Jul	Iberia
21 Jun - 12 Jul	Iberia

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

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 June from 851€

Return flights