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

Return flights

11 Nov - 18 Nov	Icelandair
14 Nov - 21 Nov	Icelandair
29 Nov - 06 Dec	Icelandair
10 Nov - 06 Dec	Icelandair
05 Nov - 10 Nov	Lufthansa
05 Nov - 12 Nov	Icelandair
17 Nov - 24 Nov	Icelandair
17 Nov - 13 Dec	Icelandair
10 Nov - 21 Nov	Icelandair
11 Nov - 21 Nov	Delta
06 Nov - 20 Nov	Lufthansa
23 Nov - 13 Dec	Air France
03 Nov - 10 Nov	Icelandair
13 Nov - 17 Nov	Iberia
24 Nov - 20 Dec	Icelandair
26 Nov - 03 Dec	Aer Lingus

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 353€

Return flights