Cheapest return flights from Denver to Dublin in October from $449

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 October 2025 (see full year).

Return flights

28 Oct - 04 Nov Icelandair
31 Oct - 07 Nov Icelandair
08 Oct - 15 Oct Aer Lingus direct
15 Oct - 22 Oct Air Canada
01 Oct - 08 Oct Aer Lingus direct
24 Oct - 31 Oct Air France
15 Oct - 22 Oct Aer Lingus direct
11 Oct - 18 Oct Aer Lingus direct

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

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.

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