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

Return flights

10 Nov - 21 Nov	Air Canada
25 Nov - 03 Dec	Air Canada
10 Nov - 17 Nov	Air Canada
10 Nov - 06 Dec	Air Canada
17 Nov - 13 Dec	British Airways
03 Nov - 29 Nov	Air Canada
19 Nov - 24 Nov	Lufthansa
04 Nov - 29 Nov	Air Canada
27 Nov - 04 Dec	Icelandair
13 Nov - 16 Nov	Air Canada
22 Nov - 30 Nov	Air Canada
24 Nov - 20 Dec	Lufthansa
21 Nov - 29 Nov	Air Canada
22 Nov - 29 Nov	United
01 Nov - 11 Nov	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 $429

Return flights