$248+ Cheap flights from Ireland to Illinois
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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Ireland to Illinois 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
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Cheapest flights from Ireland to IllinoisExplore the most affordable flight options available from Ireland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Ireland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This SmartFares deal was found by Cheapflights users on 2/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Mon 3/98:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/2110:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
Wed 2/257:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:40 pm
DUB
- ORD
1 stop33h 30m
Scandinavian Airlines
Mon 4/207:15 pm
ORD
- DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$445
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
Mon 5/2510:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 2/3![Finnair logo]()
$446
This deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:30 am
DUB
- ORD
1 stop11h 50m
Icelandair
Tue 3/177:30 pm
ORD
- DUB
1 stop9h 45m
Icelandair
Deal found 2/3![Icelandair logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/2110:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
Mon 2/237:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$450
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:35 am
DUB
- ORD
1 stop12h 20m
Multiple Airlines
Tue 5/2610:25 pm
ORD
- DUB
Nonstop7h 25m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$453
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:30 am
DUB
- ORD
1 stop16h 27m
Multiple Airlines
Mon 4/135:00 pm
ORD
- DUB
1 stop10h 40m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$456
This SmartFares deal was found by Cheapflights users on 2/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Sun 3/88:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/4![Scandinavian Airlines logo]()
$459
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
DUB
- ORD
1 stop16h 27m
Multiple Airlines
Tue 4/1410:30 pm
ORD
- DUB
1 stop14h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 2/95:55 am
DUB
- MDW
2 stops18h 00m
Delta
Mon 2/161:26 pm
MDW
- DUB
2 stops20h 19m
Delta
Deal found 2/2![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 2/135:55 am
DUB
- MDW
2 stops18h 45m
Delta
Sun 2/221:49 pm
MDW
- DUB
1 stop11h 56m
Delta
Deal found 2/4![Delta logo]()
$540
Best flights from Ireland to IllinoisDiscover carefully curated flight deals from Ireland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Ireland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
Tue 5/2610:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 2/2![Finnair logo]()
$445
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:35 am
DUB
- ORD
1 stop12h 20m
Multiple Airlines
Tue 5/2610:25 pm
ORD
- DUB
Nonstop7h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 2/3. 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 3/15:55 am
DUB
- ORD
1 stop14h 25m
Delta
Wed 3/115:25 pm
ORD
- DUB
1 stop17h 55m
Delta
Deal found 2/3![Delta logo]()
$538
This KLM deal was found by Cheapflights users on 2/3. 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.
Mon 2/166:00 am
ORK
- ORD
1 stop14h 20m
KLM
Mon 2/234:25 pm
ORD
- ORK
1 stop25h 00m
KLM
Deal found 2/3![KLM logo]()
$542
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:45 am
DUB
- MDW
1 stop14h 00m
Air France
Sat 3/711:45 am
MDW
- DUB
1 stop14h 00m
Air France
Deal found 2/3![Air France logo]()
$551
This British Airways deal was found by Cheapflights users on 2/2. 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 3/28:05 pm
SNN
- ORD
1 stop25h 20m
British Airways
Mon 3/97:40 pm
ORD
- SNN
1 stop10h 50m
British Airways
Deal found 2/2![British Airways logo]()
$618
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:50 am
SNN
- ORD
1 stop15h 10m
American Airlines
Wed 3/46:30 pm
ORD
- SNN
1 stop16h 15m
American Airlines
Deal found 2/3![American Airlines logo]()
$682
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
Tue 6/210:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 2/2![Finnair logo]()
$449
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
DUB
- ORD
1 stop16h 27m
Multiple Airlines
Tue 4/1410:30 pm
ORD
- DUB
1 stop14h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$461
This Iberia deal was found by Cheapflights users on 2/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:30 am
DUB
- STL
1 stop16h 32m
Iberia
Wed 3/252:00 pm
STL
- DUB
1 stop13h 40m
Iberia
Deal found 2/2![Iberia logo]()
$966
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
Mon 5/2510:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 2/2![Finnair logo]()
$449
This Delta deal was found by Cheapflights users on 2/3. 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 2/225:55 am
DUB
- ORD
2 stops18h 06m
Delta
Wed 3/410:36 am
ORD
- DUB
2 stops15h 24m
Delta
Deal found 2/3![Delta logo]()
$538
This KLM deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:00 am
ORK
- ORD
2 stops17h 43m
KLM
Mon 3/24:25 pm
ORD
- ORK
1 stop18h 20m
KLM
Deal found 2/2![KLM logo]()
$547
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:30 am
DUB
- ORD
1 stop16h 27m
Finnair
Sun 4/2612:30 pm
ORD
- DUB
1 stop15h 15m
Finnair
Deal found 2/2![Finnair logo]()
$477
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 2/185:55 am
DUB
- MDW
2 stops17h 42m
Delta
Sun 2/2210:49 am
MDW
- DUB
1 stop14h 56m
Delta
Deal found 2/2![Delta logo]()
$541
This KLM deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:00 am
ORK
- MDW
2 stops17h 37m
KLM
Mon 3/21:49 pm
MDW
- ORK
2 stops14h 56m
KLM
Deal found 2/2![KLM logo]()
$547
This British Airways deal was found by Cheapflights users on 2/3. 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.
Wed 3/47:50 am
SNN
- ORD
1 stop13h 35m
British Airways
Wed 3/187:40 pm
ORD
- SNN
1 stop10h 50m
British Airways
Deal found 2/3![British Airways logo]()
$642
This Delta deal was found by Cheapflights users on 2/3. 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 2/225:55 am
DUB
- MDW
2 stops18h 45m
Delta
Wed 3/410:49 am
MDW
- DUB
2 stops15h 56m
Delta
Deal found 2/3![Delta logo]()
$541
This KLM deal was found by Cheapflights users on 2/1. 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.
Thu 3/55:15 pm
ORK
- ORD
1 stop27h 05m
KLM
Mon 3/96:20 pm
ORD
- ORK
1 stop15h 40m
KLM
Deal found 2/1![KLM logo]()
$554
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:30 am
DUB
- ORD
1 stop16h 27m
Finnair
Thu 4/1612:30 pm
ORD
- DUB
1 stop15h 15m
Finnair
Deal found 2/3![Finnair logo]()
$541
This Delta deal was found by Cheapflights users on 2/2. 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.
Wed 3/45:55 am
DUB
- MDW
2 stops18h 45m
Delta
Tue 3/102:05 pm
MDW
- DUB
1 stop12h 40m
Delta
Deal found 2/2![Delta logo]()
$541
This KLM deal was found by Cheapflights users on 2/1. 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.
Thu 3/56:00 am
ORK
- MDW
2 stops17h 37m
KLM
Mon 3/92:05 pm
MDW
- ORK
2 stops15h 40m
KLM
Deal found 2/1![KLM logo]()
$565
This British Airways deal was found by Cheapflights users on 2/1. 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.
Sat 2/287:50 am
SNN
- ORD
2 stops17h 50m
British Airways
Wed 3/44:10 pm
ORD
- SNN
2 stops18h 35m
British Airways
Deal found 2/1![British Airways logo]()
$692
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 2/275:55 am
DUB
- MDW
2 stops17h 42m
Delta
Sat 3/79:34 am
MDW
- DUB
2 stops16h 11m
Delta
Deal found 2/3![Delta logo]()
$544
This KLM deal was found by Cheapflights users on 2/3. 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.
Mon 4/1310:50 am
ORK
- ORD
1 stop33h 25m
KLM
Sun 4/195:10 pm
ORD
- ORK
1 stop15h 30m
KLM
Deal found 2/3![KLM logo]()
$596
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:30 am
DUB
- STL
1 stop17h 22m
American Airlines
Tue 3/32:21 pm
STL
- DUB
2 stops20h 39m
American Airlines
Deal found 2/3![American Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 2/2. 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 2/195:55 am
DUB
- MDW
2 stops17h 42m
Delta
Wed 2/2512:45 pm
MDW
- DUB
1 stop13h 00m
Delta
Deal found 2/2![Delta logo]()
$559
This KLM deal was found by Cheapflights users on 2/3. 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.
Wed 4/225:10 pm
ORK
- ORD
1 stop27h 05m
KLM
Mon 5/44:50 pm
ORD
- ORK
1 stop11h 30m
KLM
Deal found 2/3![KLM logo]()
$599
This Delta deal was found by Cheapflights users on 2/1. 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 3/56:00 am
ORK
- ORD
2 stops18h 59m
Delta
Mon 3/91:57 pm
ORD
- ORK
2 stops20h 03m
Delta
Deal found 2/1![Delta logo]()
$560
This Delta deal was found by Cheapflights users on 2/2. 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 3/15:55 am
DUB
- MDW
2 stops18h 45m
Delta
Mon 3/91:10 pm
MDW
- DUB
2 stops14h 35m
Delta
Deal found 2/2![Delta logo]()
$561
Last-minute flights from Ireland to IllinoisDiscover last-minute flight deals from Ireland to Illinois. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to Illinois. Data last updated February 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 2/95:55 am
DUB
- MDW
2 stops18h 00m
Delta
Mon 2/161:26 pm
MDW
- DUB
2 stops20h 19m
Delta
Deal found 2/2![Delta logo]()
$538
This lastminute.com deal was found by Cheapflights users on 2/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:20 pm
DUB
- ORD
2 stops50h 25m
Scandinavian Airlines
Wed 2/257:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/3![Scandinavian Airlines logo]()
$483
This SmartFares deal was found by Cheapflights users on 2/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Sun 2/227:10 pm
ORD
- DUB
1 stop17h 10m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$481
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/1912:30 pm
DUB
- ORD
1 stop34h 15m
Scandinavian Airlines
Wed 2/257:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/2110:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
Wed 2/257:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/2110:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
Mon 2/237:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$450
This Scandinavian Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 2/2110:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
Sun 2/227:10 pm
ORD
- DUB
1 stop17h 10m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$465
This SmartFares deal was found by Cheapflights users on 2/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Mon 3/98:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$429
This SmartFares deal was found by Cheapflights users on 2/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Sun 3/88:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/4![Scandinavian Airlines logo]()
$459
This deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:30 am
DUB
- ORD
1 stop11h 50m
Icelandair
Tue 3/177:30 pm
ORD
- DUB
1 stop9h 45m
Icelandair
Deal found 2/3![Icelandair logo]()
$448
This SmartFares deal was found by Cheapflights users on 2/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
Mon 3/98:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/3![Scandinavian Airlines logo]()
$462
This deal was found by Cheapflights users on 2/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:50 am
DUB
- ORD
1 stop15h 55m
British Airways
Wed 3/116:10 pm
ORD
- DUB
1 stop10h 30m
British Airways
Deal found 2/3![British Airways logo]()
$482
One-way flights from Ireland to IllinoisSearch for one-way flight options from Ireland to Illinois. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Ireland to Illinois. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:30 am
DUB
- ORD
1 stop12h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 3/511:25 am
DUB
- ORD
2 stops27h 41m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 4/3010:40 am
DUB
- ORD
2 stops39h 08m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 4/2910:40 am
DUB
- ORD
2 stops40h 37m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/311:25 am
DUB
- ORD
2 stops34h 27m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 4/1411:30 am
DUB
- MDW
3 stops55h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 4/1411:30 am
DUB
- MDW
2 stops27h 17m
WestJet
Deal found 2/3![WestJet logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 4/3010:40 am
DUB
- ORD
2 stops35h 38m
WestJet
Deal found 2/3![WestJet logo]()
$333
This Jettzy deal was found by Cheapflights users on 2/4. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:15 pm
DUB
- ORD
1 stop15h 10m
Icelandair
Deal found 2/4![Icelandair logo]()
$335
This iWofly deal was found by Cheapflights users on 2/4. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:15 pm
DUB
- ORD
1 stop12h 00m
Icelandair
Deal found 2/4![Icelandair logo]()
$336
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Sat 5/92:15 pm
DUB
- ORD
1 stop10h 00m
Icelandair
Deal found 2/3![Icelandair logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 5/2610:00 am
DUB
- MDW
2 stops29h 40m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$353
Find flight deals from Ireland to Illinois
Keep the following information in mind while searching for Ireland to Illinois flight deals. Data was last updated February 4, 2026.
Round-trip from | $429 (SmartFares) |
|---|---|
One-way from | $248 (Trip.com) |
Popular in | July |
Cheapest in | November |
Average price | $559 |
Good round-trip deal | $686 or less |
Good one-way deal | $506 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to Illinois 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 February 4, 2026.
Use the filters below to find and compare flights from Ireland to Illinois that are best for you.
Fly from
Ireland
Fly to
Illinois
Route
Depart
Return
Price
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 5/13
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
Tue 5/26
10:25 pm-11:50 am
Nonstop7h 25m
$445
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 5/22
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
Tue 6/2
10:25 pm-11:50 am
Nonstop7h 25m
$449
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 5/15
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
Mon 5/25
10:25 pm-11:50 am
Nonstop7h 25m
$449
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 5/13
8:35 am-2:55 pm
1 stop12h 20m
Chicago O'Hare Intl
Tue 5/26
10:25 pm-11:50 am
Nonstop7h 25m
$453
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 4/9
9:30 am-7:57 pm
1 stop16h 27m
Chicago O'Hare Intl
Tue 4/14
10:30 pm-6:50 pm
1 stop14h 20m
$461
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 4/22
9:30 am-7:57 pm
1 stop16h 27m
Chicago O'Hare Intl
Sun 4/26
12:30 pm-9:45 am
1 stop15h 15m
$477
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 3/1
5:55 am-2:20 pm
1 stop14h 25m
Chicago O'Hare Intl
Wed 3/11
5:25 pm-4:20 pm
1 stop17h 55m
$538
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 2/22
5:55 am-6:01 pm
2 stops18h 06m
Chicago O'Hare Intl
Wed 3/4
10:36 am-8:00 am
2 stops15h 24m
$538
DublinChicago
DUB - MDW
DUBMDW
Dublin
Wed 2/18
5:55 am-5:37 pm
2 stops17h 42m
Chicago Midway
Sun 2/22
10:49 am-7:45 am
1 stop14h 56m
$541
DublinChicago
DUB - MDW
DUBMDW
Dublin
Sun 2/22
5:55 am-6:40 pm
2 stops18h 45m
Chicago Midway
Wed 3/4
10:49 am-8:45 am
2 stops15h 56m
$541
Showing 1-10 of 60 results
Best time to book a flight from Ireland to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Ireland with our price prediction graph.
DUB-ORD
ORK-ORD
DUB-MDW
SNN-ORD
DUB-STL
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 Ireland to Illinois
IE0-USIL
DUB-ORD
ORK-ORD
DUB-MDW
SNN-ORD
What is the cheapest month to book a flight from Ireland to Illinois?
Currently, March is the cheapest month in which you can book a flight from Ireland to Illinois (average of $400). Flying from Ireland to Illinois in July is currently the most expensive (average of $637). 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 IE to IL?
Find hourly flight availability from Ireland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Illinois as you normally would.
Weekly flight availability from Ireland to Illinois
Explore weekly flight availability from Ireland to Illinois. 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 February 4, 2026.
The most flights from IE0 to USIL are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated February 4, 2026.
Peruse reviews from past customers who have flown with United Airlines and Aer Lingus from Ireland to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Related info for your journey
Find useful and relevant information for your journey from Ireland to Illinois. 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
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Alternative routes for Ireland to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ireland to Illinois by cabin class
Find flights from Ireland to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ireland and Illinois flights
Browse other Ireland and Illinois flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Ireland after your stay in Illinois
Ireland to Illinois flights
Consider these flights traveling from Ireland to Illinois.
Top 2 airlines flying from Ireland to Illinois
Discover the top 2 airlines that operate flights from Ireland to Illinois. 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$640 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$680 | FlexibilityNo cancel fee | On-time69% |