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

Return flights

05 Feb - 15 Feb	Scandinavian Airlines
22 Feb - 08 Mar	Scandinavian Airlines
25 Feb - 11 Mar	Scandinavian Airlines
02 Feb - 09 Feb	Icelandair
22 Feb - 01 Mar	Icelandair
02 Feb - 09 Feb	Aer Lingus	direct
22 Feb - 01 Mar	Aer Lingus	direct
22 Feb - 08 Mar	Aer Lingus	direct
25 Feb - 11 Mar	Aer Lingus	direct
12 Feb - 19 Feb	Aer Lingus	direct
05 Feb - 15 Feb	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 321€

Return flights