Cheapest return flights from Chicago to Dublin in May from $571

Best time to book flights for Chicago (ORD) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in May 2025 (see full year).

Return flights

14 May - 21 May jetBlue
14 May - 20 May jetBlue
09 May - 12 May jetBlue
15 May - 19 May jetBlue
05 May - 14 May Scandinavian Airlines
12 May - 18 May Scandinavian Airlines
13 May - 23 May jetBlue
28 May - 04 Jun Air Canada
10 May - 18 May Scandinavian Airlines
15 May - 27 May jetBlue
16 May - 28 May jetBlue
25 May - 03 Jun jetBlue
25 May - 04 Jun jetBlue
25 May - 02 Jun jetBlue
28 May - 07 Jun jetBlue
28 May - 05 Jun jetBlue
28 May - 08 Jun jetBlue
30 May - 09 Jun jetBlue
27 May - 18 Jun Air Canada
27 May - 03 Jun jetBlue

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

Skyscanner

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin