Cheapest return flights from Denver to Dublin in January from 329€

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

Return flights

06 Jan - 13 Jan Icelandair
18 Jan - 25 Jan Icelandair
23 Jan - 03 Feb Icelandair
16 Jan - 07 Feb Icelandair
15 Jan - 06 Feb United
17 Jan - 07 Feb British Airways
01 Jan - 15 Jan Delta
09 Jan - 17 Jan Air Canada
21 Jan - 28 Jan Aer Lingus
09 Jan - 16 Jan Aer Lingus
12 Jan - 19 Jan jetBlue
30 Jan - 06 Feb Aer Lingus
24 Jan - 31 Jan Aer Lingus
03 Jan - 10 Jan Aer Lingus

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

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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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