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

Return flights

13 Feb - 27 Feb	Scandinavian Airlines
01 Feb - 08 Feb	Icelandair
11 Feb - 18 Feb	Icelandair
21 Feb - 28 Feb	Icelandair
01 Feb - 08 Feb	Aer Lingus	direct
13 Feb - 27 Feb	Aer Lingus	direct
11 Feb - 18 Feb	Aer Lingus	direct
21 Feb - 28 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 387€

Return flights