Cheapest return flights from Denver to Dublin in August from $570

Best time to book flights for Denver (DEN) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Denver (DEN) to Dublin (DUB) in August 2025 (see full year).

Return flights

11 Aug - 22 Aug Aer Lingus direct
11 Aug - 22 Aug Air Canada
12 Aug - 19 Aug United
27 Aug - 03 Sep Aer Lingus direct
16 Aug - 26 Aug Air Canada
17 Aug - 31 Aug Icelandair
22 Aug - 29 Aug Icelandair
17 Aug - 31 Aug Aer Lingus direct
22 Aug - 29 Aug Aer Lingus direct
20 Aug - 30 Aug Air Canada
03 Aug - 13 Aug Air Canada

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

Skyscanner

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin