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

Return flights

10 Jun - 15 Jun	Air France
15 Jun - 21 Jun	Iberia
11 Jun - 21 Jun	Iberia
11 Jun - 15 Jun	Air France
12 Jun - 15 Jun	Air France
14 Jun - 18 Jun	Air France
05 Jun - 09 Jun	SWISS
09 Jun - 07 Jul	Finnair
05 Jun - 26 Jun	Iberia
13 Jun - 15 Jun	Air France
11 Jun - 20 Jun	Air France
14 Jun - 06 Jul	Iberia
29 Jun - 09 Jul	Air France
15 Jun - 01 Jul	Iberia
15 Jun - 04 Jul	Iberia
22 Jun - 11 Jul	Delta
09 Jun - 01 Jul	Delta
30 Jun - 07 Jul	Lufthansa
19 Jun - 05 Jul	Iberia
28 Jun - 05 Jul	Air France

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 $968

Return flights