Cheapest return flights from Denver to Dublin in August from $637

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

Return flights

19 Aug - 26 Aug jetBlue
12 Aug - 19 Aug jetBlue
24 Aug - 06 Sep Aer Lingus direct
26 Aug - 09 Sep Aer Lingus direct
12 Aug - 19 Aug Aer Lingus direct
26 Aug - 02 Sep Aer Lingus direct
15 Aug - 24 Aug Aer Lingus direct
16 Aug - 23 Aug Aer Lingus direct
17 Aug - 24 Aug Aer Lingus direct
19 Aug - 26 Aug Aer Lingus direct
21 Aug - 28 Aug Aer Lingus direct
22 Aug - 29 Aug Aer Lingus direct
14 Aug - 21 Aug Aer Lingus direct
26 Aug - 08 Sep Lufthansa
25 Aug - 01 Sep Air Canada
27 Aug - 03 Sep Air Canada
28 Aug - 07 Sep Aer Lingus direct
31 Aug - 07 Sep Aer Lingus direct
28 Aug - 04 Sep Aer Lingus direct
29 Aug - 05 Sep Aer Lingus direct

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

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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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