Cheapest return flights from Denver to Dublin in April from 484€

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

Return flights

09 Apr - 23 Apr Icelandair
17 Apr - 27 Apr Frontier Airlines
04 Apr - 30 Apr Lufthansa
17 Apr - 26 Apr Frontier Airlines
21 Apr - 01 May Icelandair
09 Apr - 22 Apr Lufthansa
07 Apr - 22 Apr Icelandair
24 Apr - 03 May United
11 Apr - 18 Apr British Airways
13 Apr - 25 Apr British Airways
14 Apr - 22 Apr British Airways
22 Apr - 29 Apr United
23 Apr - 05 May United
26 Apr - 16 May United

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

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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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