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

Return flights

03 Feb - 10 Feb	Icelandair
01 Feb - 08 Feb	Icelandair
05 Feb - 12 Feb	Icelandair
03 Feb - 15 Feb	Icelandair
15 Feb - 22 Feb	Scandinavian Airlines
13 Feb - 20 Feb	Scandinavian Airlines
27 Feb - 06 Mar	Scandinavian Airlines
21 Feb - 28 Feb	Scandinavian Airlines
07 Feb - 14 Feb	Icelandair
25 Feb - 04 Mar	Scandinavian Airlines
17 Feb - 24 Feb	Aer Lingus	direct
03 Feb - 10 Feb	Aer Lingus	direct
25 Feb - 04 Mar	Aer Lingus	direct
27 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 324€

Return flights