AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in February 2026 (see full year).

Return flights

10 Feb - 17 Feb	Icelandair
09 Feb - 25 Feb	Icelandair
06 Feb - 09 Feb	Icelandair
04 Feb - 28 Feb	Icelandair
07 Feb - 11 Feb	Icelandair
19 Feb - 26 Feb	Icelandair
07 Feb - 14 Feb	Icelandair
04 Feb - 11 Feb	Icelandair
05 Feb - 11 Feb	Icelandair
05 Feb - 28 Feb	Icelandair
24 Feb - 03 Mar	Icelandair
15 Feb - 07 Mar	Icelandair
10 Feb - 10 Mar	Icelandair
10 Feb - 10 Mar	Aer Lingus	direct
26 Feb - 03 Mar	Icelandair
28 Feb - 08 Mar	Icelandair
20 Feb - 06 Mar	Iberia
21 Feb - 05 Mar	Iberia
21 Feb - 06 Mar	Iberia
21 Feb - 06 Mar	Aer Lingus	direct

Also check the deals for one-way flights from Chicago to Dublin in February.

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 Chicago to Dublin in February from 317€

Return flights