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

Return flights

03 May - 16 May	Finnair
21 May - 28 May	Ryanair
11 May - 01 Jun	Ryanair
06 May - 10 May	American Airlines
23 May - 28 May	WestJet
25 May - 14 Jun	Air Transat
01 May - 08 May	Finnair
07 May - 14 May	Finnair
17 May - 31 May	WestJet
31 May - 14 Jun	WestJet
15 May - 28 May	WestJet
16 May - 28 May	WestJet
22 May - 07 Jun	WestJet
03 May - 17 May	Finnair
30 May - 06 Jun	British Airways
29 May - 12 Jun	British Airways
30 May - 13 Jun	British Airways
26 May - 14 Jun	British Airways
23 May - 06 Jun	WestJet
17 May - 01 Jun	British Airways

Also check the deals for one-way flights from Dublin 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 Dublin to Cancun in May from 597€

Return flights