$171+ Cheap flights from O'Hare Intl (ORD) to Ireland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Aug 23 — Aug 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Ireland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Ireland
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to IrelandExplore the most affordable flight options available from O'Hare Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from O'Hare Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$366
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$371
This KAYAK deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 9/171:20 pm
DUB
- ORD
1 stop12h 45m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$373
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$384
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$389
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:15 am
ORD
- DUB
1 stop12h 55m
Aer Lingus
Thu 11/261:00 pm
DUB
- ORD
1 stop12h 41m
Aer Lingus
Deal found 7/18![Aer Lingus logo]()
$390
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Wed 11/181:00 pm
DUB
- ORD
1 stop12h 41m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$391
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:15 am
ORD
- DUB
1 stop13h 55m
Aer Lingus
Thu 11/51:00 pm
DUB
- ORD
1 stop12h 58m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$394
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Tue 9/151:20 pm
DUB
- ORD
1 stop12h 10m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$398
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Sun 9/131:20 pm
DUB
- ORD
1 stop12h 28m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$400
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:05 am
ORD
- ORK
2 stops21h 35m
Delta
Wed 12/305:40 am
ORK
- ORD
1 stop14h 45m
Delta
Deal found 7/22![Delta logo]()
$749
Best flights from O'Hare Intl to IrelandDiscover carefully curated flight deals from O'Hare Intl to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from O'Hare Intl to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
ORD
- DUB
1 stop20h 55m
United Airlines
Thu 11/269:00 am
DUB
- ORD
1 stop30h 23m
United Airlines
Deal found 7/23![United Airlines logo]()
$685
This Scandinavian Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:15 pm
ORD
- DUB
2 stops32h 55m
Scandinavian Airlines
Mon 11/212:35 pm
DUB
- ORD
2 stops34h 10m
Scandinavian Airlines
Deal found 7/18![Scandinavian Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:05 am
ORD
- ORK
2 stops21h 35m
Delta
Wed 12/305:40 am
ORK
- ORD
1 stop14h 45m
Delta
Deal found 7/22![Delta logo]()
$749
This JetBlue deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:38 am
ORD
- DUB
1 stop16h 42m
JetBlue
Sun 9/1311:30 am
DUB
- ORD
1 stop16h 36m
JetBlue
Deal found 7/21![JetBlue logo]()
$760
This United deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:07 am
ORD
- DUB
2 stops17h 08m
Multiple Airlines
Mon 8/245:35 pm
DUB
- ORD
1 stop25h 20m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$808
This KLM deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:20 pm
ORD
- ORK
1 stop12h 00m
KLM
Wed 10/146:15 am
ORK
- ORD
1 stop14h 15m
KLM
Deal found 7/23![KLM logo]()
$819
This Cheapflightsfares deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:45 pm
ORD
- NOC
2 stops14h 50m
Aer Lingus
Mon 8/311:05 pm
NOC
- ORD
2 stops28h 25m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$1,130
This oojo deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:15 pm
ORD
- NOC
1 stop12h 20m
British Airways
Mon 8/311:05 pm
NOC
- ORD
1 stop30h 45m
British Airways
Deal found 7/21![British Airways logo]()
$1,163
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 am
ORD
- DUB
1 stop15h 00m
United Airlines
Wed 11/1110:40 am
DUB
- ORD
Nonstop8h 40m
United Airlines
Deal found 7/19![United Airlines logo]()
$697
This Scandinavian Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm
ORD
- DUB
2 stops17h 50m
Scandinavian Airlines
Wed 9/3011:40 am
DUB
- ORD
2 stops34h 30m
Scandinavian Airlines
Deal found 7/18![Scandinavian Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:10 pm
ORD
- ORK
1 stop15h 30m
Delta
Mon 9/75:10 pm
ORK
- ORD
1 stop27h 05m
Delta
Deal found 7/19![Delta logo]()
$779
This JetBlue deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:24 pm
ORD
- DUB
1 stop29h 56m
JetBlue
Tue 9/2210:40 am
DUB
- ORD
1 stop28h 08m
JetBlue
Deal found 7/22![JetBlue logo]()
$781
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm
ORD
- DUB
Nonstop7h 40m
United Airlines
Sat 11/149:00 am
DUB
- ORD
1 stop12h 38m
United Airlines
Deal found 7/19![United Airlines logo]()
$739
This KLM deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:10 pm
ORD
- ORK
1 stop15h 30m
KLM
Mon 9/76:15 am
ORK
- ORD
2 stops16h 02m
KLM
Deal found 7/19![KLM logo]()
$834
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:45 pm
ORD
- KIR
1 stop12h 30m
Multiple Airlines
Tue 8/2510:25 am
KIR
- ORD
1 stop14h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:48 am
ORD
- SNN
2 stops20h 22m
Delta
Tue 8/251:05 pm
SNN
- ORD
1 stop29h 12m
Delta
Deal found 7/18![Delta logo]()
$783
This Scandinavian Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:15 pm
ORD
- DUB
2 stops17h 50m
Scandinavian Airlines
Sun 9/277:15 pm
DUB
- ORD
2 stops26h 55m
Scandinavian Airlines
Deal found 7/20![Scandinavian Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm
ORD
- SNN
Nonstop7h 25m
United Airlines
Tue 9/2912:30 pm
SNN
- ORD
1 stop15h 02m
United Airlines
Deal found 7/23![United Airlines logo]()
$758
This KLM deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:25 pm
ORD
- ORK
1 stop18h 15m
KLM
Wed 1/611:15 am
ORK
- ORD
2 stops15h 22m
KLM
Deal found 7/21![KLM logo]()
$866
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:00 pm
ORD
- ORK
2 stops18h 40m
Delta
Tue 10/1310:50 am
ORK
- ORD
2 stops16h 38m
Delta
Deal found 7/23![Delta logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:40 am
ORD
- SNN
1 stop19h 35m
United Airlines
Thu 10/112:30 pm
SNN
- ORD
1 stop15h 58m
United Airlines
Deal found 7/20![United Airlines logo]()
$758
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:00 pm
ORD
- KIR
1 stop14h 30m
Multiple Airlines
Fri 8/2810:25 am
KIR
- ORD
1 stop14h 50m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$918
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:45 am
ORD
- SNN
2 stops19h 30m
United Airlines
Tue 8/259:30 am
SNN
- ORD
Nonstop8h 20m
United Airlines
Deal found 7/18![United Airlines logo]()
$777
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:00 pm
ORD
- ORK
2 stops18h 45m
Delta
Wed 1/66:00 am
ORK
- ORD
2 stops20h 37m
Delta
Deal found 7/21![Delta logo]()
$867
This British Airways deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:25 pm
ORD
- CFN
2 stops33h 35m
British Airways
Mon 9/142:30 pm
CFN
- ORD
2 stops27h 55m
British Airways
Deal found 7/19![British Airways logo]()
$1,167
This Mytrip deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:45 pm
ORD
- KIR
1 stop12h 15m
Multiple Airlines
Thu 8/275:20 pm
KIR
- ORD
3 stops28h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$992
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:05 pm
ORD
- SNN
Nonstop7h 25m
United Airlines
Wed 9/29:30 am
SNN
- ORD
Nonstop8h 20m
United Airlines
Deal found 7/19![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:20 pm
ORD
- DUB
Nonstop7h 25m
United Airlines
Tue 8/2511:35 am
DUB
- ORD
Nonstop8h 05m
United Airlines
Deal found 7/18![United Airlines logo]()
$779
This British Airways deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:05 pm
ORD
- NOC
1 stop11h 30m
Multiple Airlines
Mon 8/311:05 pm
NOC
- ORD
2 stops25h 25m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,069
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:30 am
ORD
- DUB
1 stop21h 40m
United Airlines
Sun 10/258:00 am
DUB
- ORD
2 stops39h 20m
United Airlines
Deal found 7/21![United Airlines logo]()
$790
Last-minute flights from O'Hare Intl to IrelandDiscover last-minute flight deals from O'Hare Intl to Ireland. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Ireland. Data last updated July 24, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Wed 8/191:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$414
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/211:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$416
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$384
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$371
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$389
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/211:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$411
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:16 pm
ORD
- SNN
1 stop15h 59m
United Airlines
Tue 8/259:30 am
SNN
- ORD
Nonstop8h 20m
United Airlines
Deal found 7/18![United Airlines logo]()
$777
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 pm
ORD
- SNN
Nonstop7h 25m
United Airlines
Thu 9/39:30 am
SNN
- ORD
Nonstop8h 20m
United Airlines
Deal found 7/20![United Airlines logo]()
$778
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Tue 9/81:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$433
One-way flights from O'Hare Intl to IrelandSearch for one-way flight options from O'Hare Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from O'Hare Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$171
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:16 pm
ORD
- DUB
1 stop9h 54m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$173
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$178
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$190
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:25 pm
ORD
- DUB
1 stop30h 40m
Icelandair
Deal found 7/22![Icelandair logo]()
$191
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$195
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$205
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$213
This KAYAK deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:13 pm
ORD
- SNN
2 stops45h 07m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:25 pm
ORD
- SNN
2 stops51h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:25 pm
ORD
- SNN
2 stops51h 30m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$318
Find flight deals from O'Hare Intl to Ireland
Keep the following information in mind while searching for O'Hare Intl to Ireland flight deals. Data was last updated July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $366 (KAYAK) |
One-way from | $171 (KAYAK) |
Popular in | June |
Cheapest in | January |
Average price | $778 |
Good round-trip deal | $774 or less |
Good one-way deal | $455 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Mon 11/16
7:00 am-9:55 am
1 stop20h 55m
Dublin
Thu 11/26
9:00 am-9:23 am
1 stop30h 23m
$685
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 11/4
10:30 am-7:30 am
1 stop15h 00m
Dublin
Wed 11/11
10:40 am-1:20 pm
Nonstop8h 40m
$697
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 10/28
8:15 pm-10:10 am
2 stops32h 55m
Dublin
Mon 11/2
12:35 pm-4:45 pm
2 stops34h 10m
$738
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Sun 11/8
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Sat 11/14
9:00 am-3:38 pm
1 stop12h 38m
$739
ChicagoCork
ORD - ORK
ORDORK
Chicago O'Hare Intl
Tue 12/8
7:05 am-10:40 am
2 stops21h 35m
Cork
Wed 12/30
5:40 am-2:25 pm
1 stop14h 45m
$749
ChicagoShannon
ORD - SNN
ORDSNN
Chicago O'Hare Intl
Mon 9/21
6:05 pm-7:30 am
Nonstop7h 25m
Shannon
Tue 9/29
12:30 pm-9:32 pm
1 stop15h 02m
$758
ChicagoShannon
ORD - SNN
ORDSNN
Chicago O'Hare Intl
Mon 9/21
8:40 am-10:15 am
1 stop19h 35m
Shannon
Thu 10/1
12:30 pm-10:28 pm
1 stop15h 58m
$758
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Thu 9/10
9:38 am-8:20 am
1 stop16h 42m
Dublin
Sun 9/13
11:30 am-10:06 pm
1 stop16h 36m
$760
ChicagoShannon
ORD - SNN
ORDSNN
Chicago O'Hare Intl
Sun 8/16
8:45 am-10:15 am
2 stops19h 30m
Shannon
Tue 8/25
9:30 am-11:50 am
Nonstop8h 20m
$777
ChicagoShannon
ORD - SNN
ORDSNN
Chicago O'Hare Intl
Sun 8/23
6:05 pm-7:30 am
Nonstop7h 25m
Shannon
Wed 9/2
9:30 am-11:50 am
Nonstop8h 20m
$778
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from O'Hare Intl with our price prediction graph.
ORD-DUB
ORD-ORK
ORD-KIR
ORD-CFN
ORD-SNN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Ireland
ORD-IE0
ORD-DUB
ORD-ORK
ORD-KIR
ORD-CFN
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ireland?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ireland (average of $518). Flying from Chicago O'Hare Intl Airport to Ireland in June is currently the most expensive (average of $966). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to IE?
Find hourly flight availability from O'Hare Intl to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 24, 2026.
When flying from Chicago O'Hare Intl Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago O'Hare Intl Airport to Ireland
Explore weekly flight availability from O'Hare Intl to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 24, 2026.
The most flights from ORD to IE0 are scheduled on a Wednesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 on average).
How often are flights from Chicago to Ireland delayed?
About 24% of weekly flights between Chicago and Ireland have experienced delays in the past year, with the average delay time being 158 minutes.
What is the most punctual flight time for Chicago to Ireland flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Ireland flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Ireland?
The price you pay for your flight from Chicago O'Hare Intl Airport to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated July 24, 2026.
Read reviews from past customers who have flown United Airlines,Aer Lingus, andAmerican Airlines from Chicago O'Hare Intl Airport to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for O'Hare Intl to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Ireland by cabin class
Find flights from O'Hare Intl to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Ireland flights
Browse other O'Hare Intl and Ireland flight options. Last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
O'Hare Intl to Ireland flights
Consider these flights traveling from O'Hare Intl to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 10 airlines flying from O'Hare Intl to Ireland
Discover the top 10 airlines that operate flights from O'Hare Intl to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$595 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$361 | Average$564 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$367 | Average$683 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$423 | Average$471 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$782 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$425 | Average$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$469 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$769 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$473 | Average$816 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$476 | Average$854 | FlexibilityNo cancel fee | On-time76% |