Cheapest return flights from Chicago to Dublin in May from $449
AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB)
in May 2026 (see full year ).
Return flights
05 May
- 13 May
British Airways
$ 449
05 May
- 12 May
United
$ 468
05 May
- 13 May
Aer Lingus
$ 473
direct
05 May
- 12 May
Aer Lingus
$ 474
direct
04 May
- 11 May
SWISS
$ 480
03 May
- 10 May
United
$ 519
04 May
- 14 May
Lufthansa
$ 520
01 May
- 08 May
Aer Lingus
$ 522
direct
03 May
- 10 May
Aer Lingus
$ 522
direct
04 May
- 11 May
Aer Lingus
$ 522
direct
31 May
- 08 Jun
Air Canada
$ 596
30 May
- 08 Jun
Air Canada
$ 599
25 May
- 03 Jun
Aer Lingus
$ 605
direct
31 May
- 08 Jun
Aer Lingus
$ 665
direct
28 May
- 04 Jun
Aer Lingus
$ 665
direct
29 May
- 05 Jun
Aer Lingus
$ 665
direct
31 May
- 07 Jun
Aer Lingus
$ 665
direct
28 May
- 04 Jun
United
$ 665
30 May
- 06 Jun
TAP
$ 693
28 May
- 06 Jun
Air Canada
$ 696
Also check the deals for one-way flights from Chicago to Dublin in May .
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