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

Return flights

14 May - 09 Jun	WestJet
29 May - 05 Jun	WestJet
29 May - 07 Jun	WestJet
29 May - 06 Jun	WestJet
03 May - 02 Jun	WestJet
22 May - 05 Jun	WestJet
22 May - 02 Jun	WestJet
07 May - 14 May	Finnair
30 May - 07 Jun	Air Transat
30 May - 16 Jun	Air Transat
29 May - 01 Jun	WestJet
08 May - 24 May	WestJet
25 May - 31 May	Air Transat
18 May - 26 May	Air Transat
18 May - 31 May	Air Transat
01 May - 08 May	Finnair
04 May - 25 May	British Airways
23 May - 28 May	WestJet
08 May - 17 May	British Airways
18 May - 25 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 $687

Return flights