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

Return flights

25 Feb - 11 Mar	Delta
02 Feb - 11 Feb	Delta
04 Feb - 18 Feb	Delta
04 Feb - 12 Feb	Delta
11 Feb - 17 Feb	Delta
26 Feb - 11 Mar	Delta
05 Feb - 11 Feb	Delta
19 Feb - 26 Feb	Air France
15 Feb - 22 Feb	Delta
26 Feb - 08 Mar	Delta
28 Feb - 08 Mar	Delta
19 Feb - 28 Feb	Air France
12 Feb - 16 Feb	Delta
20 Feb - 24 Feb	Delta

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 $433

Return flights