Chicago (ORD) to Dublin (DUB) cheap flight deal from $459 USD in economy class

EIAer Lingus

Round Trip•Economy

ORD

O'Hare International Airport

Chicago, United States

DUB

Dublin Airport

Dublin, Ireland

$748 USD

-39%$459 USD

Verified Sep 22, 2025 at 3:01 AM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$783 30$783 1$747 2$1,186 3$807 4$807 5$697 6$697 7$630 8$705 9$680 10$680 11$680 12$630 13$779 14$714 15$630 16$680 17$680 18$609 19$509 20$509 21$509 22$509 23$559 24$559 25$559 26$459 27$459 28$459 29$459 30$509 31$559 1 2

Limited Availability

10% of dates checked are available within 10% of the lowest price

Wednesday, October 1st, 2025

10 round-trip options

Returning

Mon, Oct 6, 2025•5 Day Trip

$895 USD

Google Flights

Returning

Tue, Oct 7, 2025•6 Day Trip

$783 USD

Google Flights

Returning

Wed, Oct 8, 2025•7 Day Trip

$848 USD

Google Flights

Returning

Thu, Oct 9, 2025•8 Day Trip

$886 USD

Google Flights

Returning

Fri, Oct 10, 2025•9 Day Trip

$1,021 USD

Google Flights

Returning

Sat, Oct 11, 2025•10 Day Trip

$1,308 USD

Google Flights

Returning

Sun, Oct 12, 2025•11 Day Trip

$1,219 USD

Google Flights

Returning

Mon, Oct 13, 2025•12 Day Trip

$916 USD

Google Flights

Returning

Tue, Oct 14, 2025•13 Day Trip

$797 USD

Google Flights

Returning

Wed, Oct 15, 2025•14 Day Trip

$747 USD

Google Flights