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

Return flights

07 May - 18 May	Ryanair
11 May - 15 May	Ryanair
08 May - 18 May	Ryanair
06 May - 18 May	Ryanair
08 May - 15 May	Ryanair
01 May - 11 May	Ryanair
04 May - 11 May	Ryanair
15 May - 25 May	Ryanair
21 May - 25 May	Ryanair
19 May - 02 Jun	Ryanair
11 May - 01 Jun	Ryanair
21 May - 05 Jun	Ryanair
15 May - 20 May	Turkish Airlines
29 May - 10 Jun	Ryanair
30 May - 10 Jun	Ryanair
30 May - 06 Jun	Ryanair
23 May - 06 Jun	Ryanair
31 May - 07 Jun	Ryanair
23 May - 03 Jun	Turkish Airlines

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

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 May from 724€

Return flights