Cheapest return flights from Denver to Dublin in April from $555

AirHint found the following cheapest return flights from Denver (DEN) to Dublin (DUB) in April 2026 (see full year).

Return flights

21 Apr - 29 Apr Icelandair
13 Apr - 27 Apr Icelandair
22 Apr - 28 Apr jetBlue
22 Apr - 29 Apr jetBlue
23 Apr - 05 May jetBlue
04 Apr - 30 Apr Icelandair
16 Apr - 20 Apr Icelandair
24 Apr - 30 Apr Icelandair
24 Apr - 03 May United
12 Apr - 22 Apr British Airways
01 Apr - 08 Apr British Airways
01 Apr - 13 Apr British Airways

Also check the deals for one-way flights from Denver to Dublin in April.

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