Cheapest return flights from Denver to Dublin in January from $466

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

Return flights

23 Jan - 29 Jan Icelandair
11 Jan - 15 Jan Icelandair
14 Jan - 03 Feb Lufthansa
14 Jan - 29 Jan Lufthansa
23 Jan - 30 Jan Icelandair
15 Jan - 22 Jan Lufthansa
16 Jan - 19 Jan Air Canada
10 Jan - 18 Jan Lufthansa
11 Jan - 18 Jan Lufthansa
16 Jan - 18 Jan Air Canada
08 Jan - 11 Jan Delta
28 Jan - 04 Feb Aer Lingus
26 Jan - 02 Feb Aer Lingus
30 Jan - 06 Feb Aer Lingus

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

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