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

Return flights

13 May - 01 Jun	Ryanair
11 May - 25 May	Ryanair
05 May - 11 May	Ryanair
13 May - 21 May	Ryanair
28 May - 08 Jun	Ryanair
11 May - 18 May	Ryanair
13 May - 22 May	Ryanair
13 May - 28 May	Ryanair
05 May - 12 May	Ryanair
30 May - 14 Jun	Ryanair
20 May - 25 May	Ryanair
18 May - 26 May	Ryanair
15 May - 26 May	Ryanair
27 May - 02 Jun	Ryanair
27 May - 03 Jun	Ryanair
01 May - 02 Jun	easyJet
22 May - 02 Jun	Ryanair
25 May - 01 Jun	Ryanair
21 May - 01 Jun	Ryanair
27 May - 05 Jun	Ryanair

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 $873

Return flights