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

Return flights

17 Nov - 26 Nov	Icelandair
17 Nov - 25 Nov	Icelandair
18 Nov - 25 Nov	Icelandair
17 Nov - 24 Nov	Icelandair
12 Nov - 19 Nov	Lufthansa
11 Nov - 18 Nov	Lufthansa
10 Nov - 18 Nov	Lufthansa
28 Nov - 02 Dec	Lufthansa
10 Nov - 06 Dec	United
18 Nov - 13 Dec	United
23 Nov - 13 Dec	United
14 Nov - 06 Dec	Iberia
28 Nov - 12 Dec	Aer Lingus
28 Nov - 05 Dec	Aer Lingus
30 Nov - 07 Dec	Aer Lingus
29 Nov - 04 Dec	Aer Lingus
22 Nov - 13 Dec	United
20 Nov - 30 Nov	Frontier Airlines
22 Nov - 30 Nov	Frontier Airlines
21 Nov - 29 Nov	Frontier Airlines

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

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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Cheapest return flights from Denver to Dublin in November from 348€

Return flights