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

Return flights

04 May - 14 May	jetBlue
25 May - 02 Jun	jetBlue
25 May - 03 Jun	jetBlue
31 May - 07 Jun	WestJet
25 May - 05 Jun	WestJet
31 May - 10 Jun	WestJet
23 May - 01 Jun	WestJet
28 May - 10 Jun	WestJet
25 May - 14 Jun	WestJet
03 May - 19 May	Finnair
25 May - 07 Jun	WestJet
29 May - 06 Jun	WestJet
09 May - 23 May	American Airlines
01 May - 17 May	American Airlines
25 May - 31 May	Air Transat
18 May - 30 May	Air Transat
07 May - 17 May	British Airways
14 May - 17 May	British Airways
13 May - 20 May	British Airways
19 May - 26 May	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 496€

Return flights