AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB)
in May 2025 (see full year ).
Return flights
07 May
- 11 May
Spirit Airlines
$ 515
05 May
- 12 May
Air Canada
$ 565
14 May
- 21 May
Aer Lingus
$ 570
direct
07 May
- 14 May
Aer Lingus
$ 570
direct
05 May
- 14 May
Aer Lingus
$ 570
direct
13 May
- 23 May
Aer Lingus
$ 571
direct
04 May
- 14 May
Aer Lingus
$ 571
direct
07 May
- 13 May
Aer Lingus
$ 571
direct
18 May
- 29 May
Air Canada
$ 573
08 May
- 13 May
jetBlue
$ 575
28 May
- 02 Jun
British Airways
$ 594
21 May
- 04 Jun
British Airways
$ 598
31 May
- 12 Jun
Aer Lingus
$ 622
direct
29 May
- 05 Jun
Aer Lingus
$ 630
direct
29 May
- 12 Jun
Aer Lingus
$ 630
direct
24 May
- 03 Jun
Air Canada
$ 649
31 May
- 07 Jun
Air Canada
$ 659
28 May
- 02 Jun
Aer Lingus
$ 680
direct
29 May
- 09 Jun
British Airways
$ 683
29 May
- 09 Jun
Aer Lingus
$ 683
direct
Also check the deals for one-way flights from Chicago to Dublin in May .
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.
