$165+ Cheap flights from Chicago (CHI) 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Cheapest flights from Chicago to IrelandExplore the most affordable flight options available from Chicago to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Chicago to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This KAYAK deal was found by Cheapflights users on 8/6. 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 9/99:55 am -
1 stop13h 15m
Tue 9/151:20 pm -
1 stop12h 10m
Deal found 8/6![Aer Lingus logo]()
$361
This KAYAK deal was found by Cheapflights users on 8/10. 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 9/88:40 pm -
1 stop26h 30m
Tue 9/151:20 pm -
1 stop12h 10m
Deal found 8/10![Aer Lingus logo]()
$362
This Fareboom deal was found by Cheapflights users on 8/6. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:08 pm -
1 stop11h 07m
Fri 9/1812:15 pm -
1 stop12h 00m
Deal found 8/6![Multiple Airlines logo]()
$367
This Fareboom deal was found by Cheapflights users on 8/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am -
1 stop11h 25m
Wed 9/161:20 pm -
1 stop12h 28m
Deal found 8/9![Multiple Airlines logo]()
$385
This KAYAK deal was found by Cheapflights users on 8/8. 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.
Sat 11/79:42 am -
1 stop13h 28m
Thu 11/191:00 pm -
1 stop12h 58m
Deal found 8/8![Aer Lingus logo]()
$389
This KAYAK deal was found by Cheapflights users on 8/10. 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 10/228:06 am -
1 stop15h 04m
Thu 11/51:00 pm -
1 stop12h 58m
Deal found 8/10![Aer Lingus logo]()
$390
This KAYAK deal was found by Cheapflights users on 8/9. 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 9/89:55 am -
1 stop13h 15m
Sat 9/191:20 pm -
1 stop12h 28m
Deal found 8/9![Aer Lingus logo]()
$394
This KAYAK deal was found by Cheapflights users on 8/8. 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 11/911:45 am -
1 stop11h 25m
Sat 11/211:00 pm -
1 stop12h 58m
Deal found 8/8![Aer Lingus logo]()
$399
This KAYAK deal was found by Cheapflights users on 8/8. 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 11/88:50 pm -
1 stop26h 20m
Sat 11/141:00 pm -
1 stop12h 58m
Deal found 8/8![Aer Lingus logo]()
$407
This KAYAK deal was found by Cheapflights users on 8/8. 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 11/109:42 am -
1 stop13h 28m
Thu 11/191:00 pm -
1 stop12h 41m
Deal found 8/8![Aer Lingus logo]()
$409
This KAYAK deal was found by Cheapflights users on 8/6. 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 9/99:55 am -
1 stop13h 15m
Sat 9/191:20 pm -
1 stop12h 28m
Deal found 8/6![Aer Lingus logo]()
$411
This Ovago deal was found by Cheapflights users on 8/8. 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 9/99:55 am -
1 stop13h 15m
Mon 9/141:20 pm -
1 stop12h 28m
Deal found 8/8![Aer Lingus logo]()
$412
Best flights from Chicago to IrelandDiscover carefully curated flight deals from Chicago to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Chicago to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:00 pm -
1 stop22h 20m
Tue 1/194:55 pm -
1 stop28h 35m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$646
This United Airlines deal was found by Cheapflights users on 8/8. 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 1/272:20 pm -
1 stop11h 10m
Wed 2/310:40 am -
Nonstop8h 40m
Deal found 8/8![United Airlines logo]()
$697
This KLM deal was found by Cheapflights users on 8/6. 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 11/161:00 pm -
1 stop12h 45m
Thu 11/269:55 am -
1 stop12h 44m
Deal found 8/6![KLM logo]()
$707
This Delta deal was found by Cheapflights users on 8/10. 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 11/1812:30 pm -
1 stop13h 25m
Wed 11/259:40 am -
1 stop12h 34m
Deal found 8/10![Delta logo]()
$707
This Turkish Airlines deal was found by Cheapflights users on 8/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm -
1 stop37h 55m
Tue 9/225:35 am -
1 stop34h 05m
Deal found 8/7![Turkish Airlines logo]()
$742
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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.
Mon 11/27:15 pm -
2 stops34h 35m
Fri 11/136:55 pm -
2 stops27h 50m
Deal found 8/6![Scandinavian Airlines logo]()
$771
This KLM deal was found by Cheapflights users on 8/10. 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 9/76:00 pm -
1 stop11h 10m
Mon 9/141:05 pm -
1 stop14h 32m
Deal found 8/10![Multiple Airlines logo]()
$913
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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.
Tue 9/223:00 pm -
2 stops17h 00m
Tue 9/297:55 am -
1 stop12h 05m
Deal found 8/8![Aer Lingus logo]()
$1,027
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 9/77:05 pm -
1 stop11h 30m
Sun 9/131:05 pm -
2 stops25h 55m
Deal found 8/7![British Airways logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 8/10. 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 11/1010:32 am -
1 stop17h 48m
Tue 11/1710:40 am -
Nonstop8h 40m
Deal found 8/10![United Airlines logo]()
$697
This Delta deal was found by Cheapflights users on 8/10. 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 11/2512:30 pm -
1 stop13h 25m
Tue 12/18:50 am -
2 stops15h 14m
Deal found 8/10![Delta logo]()
$743
This KLM deal was found by Cheapflights users on 8/8. 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 9/307:01 pm -
1 stop8h 59m
Tue 10/611:00 am -
1 stop11h 47m
Deal found 8/8![KLM logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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 10/217:15 pm -
2 stops17h 50m
Tue 10/2712:30 pm -
2 stops34h 15m
Deal found 8/6![Scandinavian Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 8/8. 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 12/306:30 pm -
Nonstop7h 40m
Fri 1/810:40 am -
Nonstop8h 40m
Deal found 8/8![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 8/10. 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 9/215:10 pm -
1 stop15h 30m
Mon 10/55:10 pm -
1 stop27h 05m
Deal found 8/10![Delta logo]()
$748
This KLM deal was found by Cheapflights users on 8/8. 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 10/41:00 pm -
1 stop13h 45m
Wed 10/1411:00 am -
1 stop17h 33m
Deal found 8/8![KLM logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 10/87:15 pm -
1 stop17h 05m
Mon 10/2612:35 pm -
2 stops34h 10m
Deal found 8/9![Scandinavian Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 2/56:30 pm -
Nonstop7h 40m
Thu 2/1110:40 am -
Nonstop8h 40m
Deal found 8/8![United Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 8/6. 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 12/279:30 am -
2 stops16h 25m
Wed 1/68:50 am -
2 stops19h 20m
Deal found 8/6![Delta logo]()
$752
This KLM deal was found by Cheapflights users on 8/7. 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 1/81:00 pm -
2 stops13h 05m
Fri 1/155:45 am -
2 stops16h 40m
Deal found 8/7![KLM logo]()
$762
This Mytrip deal was found by Cheapflights users on 8/8. 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.
Tue 9/227:25 pm -
3 stops18h 35m
Tue 9/297:55 am -
3 stops40h 20m
Deal found 8/8![Multiple Airlines logo]()
$944
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/218:20 pm -
Nonstop7h 25m
Wed 9/3011:35 am -
Nonstop8h 05m
Deal found 8/8![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 8/7. 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 1/36:10 pm -
2 stops16h 10m
Sun 1/105:45 am -
1 stop14h 40m
Deal found 8/7![Delta logo]()
$752
This KLM deal was found by Cheapflights users on 8/8. 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 9/211:55 pm -
2 stops14h 20m
Mon 10/510:50 am -
2 stops15h 40m
Deal found 8/8![KLM logo]()
$816
This Delta deal was found by Cheapflights users on 8/9. 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 9/2310:48 am -
1 stop15h 57m
Fri 10/28:55 am -
2 stops15h 24m
Deal found 8/9![Delta logo]()
$757
This Mytrip deal was found by Cheapflights users on 8/10. 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 9/107:25 pm -
3 stops16h 05m
Wed 9/169:10 am -
3 stops42h 10m
Deal found 8/10![Multiple Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 10/39:35 pm -
1 stop30h 40m
Fri 10/1612:30 pm -
1 stop12h 09m
Deal found 8/9![United Airlines logo]()
$763
This British Airways deal was found by Cheapflights users on 8/6. 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.
Fri 10/165:00 pm -
2 stops15h 00m
Tue 10/202:30 pm -
2 stops33h 45m
Deal found 8/6![British Airways logo]()
$1,154
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/76:05 pm -
Nonstop7h 25m
Wed 9/169:30 am -
Nonstop8h 20m
Deal found 8/10![United Airlines logo]()
$778
This KLM deal was found by Cheapflights users on 8/10. 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 9/244:15 pm -
1 stop18h 20m
Thu 10/16:15 am -
1 stop14h 00m
Deal found 8/10![KLM logo]()
$863
Last-minute flights from Chicago to IrelandDiscover last-minute flight deals from Chicago to Ireland. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Ireland. Data last updated August 11, 2026 and is based on user searches.
This Fareboom deal was found by Cheapflights users on 8/6. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:45 am -
1 stop13h 25m
Thu 9/101:20 pm -
1 stop12h 45m
Deal found 8/6![Multiple Airlines logo]()
$437
This KAYAK deal was found by Cheapflights users on 8/6. 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 9/111:45 am -
1 stop11h 25m
Tue 9/151:20 pm -
1 stop31h 35m
Deal found 8/6![Aer Lingus logo]()
$478
This Fareboom deal was found by Cheapflights users on 8/6. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:08 pm -
1 stop11h 07m
Fri 9/1812:15 pm -
1 stop12h 00m
Deal found 8/6![Multiple Airlines logo]()
$367
This Fareboom deal was found by Cheapflights users on 8/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 am -
1 stop13h 25m
Mon 9/141:20 pm -
1 stop12h 28m
Deal found 8/8![Multiple Airlines logo]()
$435
This KAYAK deal was found by Cheapflights users on 8/10. 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 9/88:40 pm -
1 stop26h 30m
Tue 9/151:20 pm -
1 stop12h 10m
Deal found 8/10![Aer Lingus logo]()
$362
This Fareboom deal was found by Cheapflights users on 8/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am -
1 stop11h 25m
Wed 9/161:20 pm -
1 stop12h 28m
Deal found 8/9![Multiple Airlines logo]()
$385
This KAYAK deal was found by Cheapflights users on 8/9. 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 9/89:55 am -
1 stop13h 15m
Sat 9/191:20 pm -
1 stop12h 28m
Deal found 8/9![Aer Lingus logo]()
$394
This KAYAK deal was found by Cheapflights users on 8/6. 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 9/99:55 am -
1 stop13h 15m
Tue 9/151:20 pm -
1 stop12h 10m
Deal found 8/6![Aer Lingus logo]()
$361
This KAYAK deal was found by Cheapflights users on 8/6. 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 9/99:55 am -
1 stop13h 15m
Sat 9/191:20 pm -
1 stop12h 28m
Deal found 8/6![Aer Lingus logo]()
$411
This Ovago deal was found by Cheapflights users on 8/8. 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 9/99:55 am -
1 stop13h 15m
Mon 9/141:20 pm -
1 stop12h 28m
Deal found 8/8![Aer Lingus logo]()
$412
This KAYAK deal was found by Cheapflights users on 8/9. 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 9/109:55 am -
1 stop13h 15m
Sat 9/191:20 pm -
1 stop12h 28m
Deal found 8/9![Aer Lingus logo]()
$444
This KAYAK deal was found by Cheapflights users on 8/9. 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 9/119:55 am -
1 stop13h 15m
Fri 9/181:20 pm -
1 stop12h 28m
Deal found 8/9![Aer Lingus logo]()
$464
One-way flights from Chicago to IrelandSearch for one-way flight options from Chicago to Ireland. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Chicago to Ireland. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This KAYAK deal was found by Cheapflights users on 8/6. 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 8/1911:45 am -
1 stop11h 25m
Deal found 8/6![Aer Lingus logo]()
$165
This KAYAK deal was found by Cheapflights users on 8/6. 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 10/68:06 am -
1 stop15h 04m
Deal found 8/6![Aer Lingus logo]()
$171
This Fareboom deal was found by Cheapflights users on 8/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:45 am -
1 stop13h 25m
Deal found 8/8![Multiple Airlines logo]()
$173
This Fareboom deal was found by Cheapflights users on 8/7. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:45 am -
1 stop11h 25m
Deal found 8/7![Multiple Airlines logo]()
$179
This Fareboom deal was found by Cheapflights users on 8/6. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:45 am -
1 stop13h 25m
Deal found 8/6![Multiple Airlines logo]()
$193
This KAYAK deal was found by Cheapflights users on 8/9. 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.
Sat 11/711:45 am -
1 stop11h 25m
Deal found 8/9![Aer Lingus logo]()
$203
This Ovago deal was found by Cheapflights users on 8/7. 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.
Thu 9/179:55 am -
1 stop13h 15m
Deal found 8/7![Aer Lingus logo]()
$204
This Kissandfly.com deal was found by Cheapflights users on 8/6. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:45 pm -
1 stop26h 25m
Deal found 8/6![Aer Lingus logo]()
$208
This KAYAK deal was found by Cheapflights users on 8/6. 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 2/510:05 am -
1 stop13h 05m
Deal found 8/6![Aer Lingus logo]()
$221
This KAYAK deal was found by Cheapflights users on 8/7. 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 9/69:45 am -
1 stop13h 25m
Deal found 8/7![Aer Lingus logo]()
$223
This Fareboom deal was found by Cheapflights users on 8/7. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/711:45 am -
2 stops16h 40m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/87:25 pm -
2 stops33h 30m
Deal found 8/7![Multiple Airlines logo]()
$306
Find flight deals from Chicago to Ireland
Keep the following information in mind while searching for Chicago to Ireland flight deals. Data was last updated August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (KAYAK) |
One-way from | $165 (KAYAK) |
Popular in | June |
Cheapest in | January |
Average price | $656 |
Good round-trip deal | $753 or less |
Good one-way deal | $445 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 August 11, 2026.
Use the filters below to find and compare flights from Chicago to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 1/13
7:00 pm-11:20 pm
1 stop22h 20m
Dublin
Tue 1/19
4:55 pm-3:30 pm
1 stop28h 35m
$646
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 1/27
2:20 pm-7:30 am
1 stop11h 10m
Dublin
Wed 2/3
10:40 am-1:20 pm
Nonstop8h 40m
$697
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 11/10
10:32 am-10:20 am
1 stop17h 48m
Dublin
Tue 11/17
10:40 am-1:20 pm
Nonstop8h 40m
$697
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Mon 11/16
1:00 pm-7:45 am
1 stop12h 45m
Dublin
Thu 11/26
9:55 am-4:39 pm
1 stop12h 44m
$707
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Wed 11/18
12:30 pm-7:55 am
1 stop13h 25m
Dublin
Wed 11/25
9:40 am-4:14 pm
1 stop12h 34m
$707
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 12/30
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Fri 1/8
10:40 am-1:20 pm
Nonstop8h 40m
$733
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 9/16
8:10 pm-4:05 pm
1 stop37h 55m
Dublin
Tue 9/22
5:35 am-9:40 am
1 stop34h 05m
$742
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Fri 2/5
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Thu 2/11
10:40 am-1:20 pm
Nonstop8h 40m
$742
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Wed 11/25
12:30 pm-7:55 am
1 stop13h 25m
Dublin
Tue 12/1
8:50 am-6:04 pm
2 stops15h 14m
$743
Quickest round-trip
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 9/21
8:20 pm-9:45 am
Nonstop7h 25m
Dublin
Wed 9/30
11:35 am-1:40 pm
Nonstop8h 05m
$746
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Chicago with our price prediction graph.
ORD-DUB
MDW-DUB
ORD-SNN
ORD-CFN
ORD-NOC
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 to Ireland
CHI-IE0
ORD-DUB
MDW-DUB
ORD-SNN
ORD-CFN
What is the cheapest month to book a flight from Chicago to Ireland?
Currently, January is the cheapest month in which you can book a flight from Chicago to Ireland (average of $516). Flying from Chicago to Ireland in June is currently the most expensive (average of $968). 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 CHI to IE?
Find hourly flight availability from Chicago 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 August 11, 2026.
When flying from Chicago 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 to Ireland
Explore weekly flight availability from Chicago 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 August 11, 2026.
The most flights from CHI to IE0 are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).
How often are flights from Chicago to Ireland delayed?
About 25% of weekly flights between Chicago and Ireland have experienced delays in the past year, with the average delay time being 156 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 20% of flights being delayed.
How far ahead should I book a flight from Chicago to Ireland?
To ensure you get the cheapest price possible for a flight from Chicago to Ireland, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 11, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines from Chicago to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago 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 Chicago to Ireland by cabin class
Find flights from Chicago to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Ireland flights
Browse other Chicago and Ireland flight options. Last updated on August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Ireland flights
Consider these flights traveling from Chicago to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 10 airlines flying from Chicago to Ireland
Discover the top 10 airlines that operate flights from Chicago 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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$346 | Average$560 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$362 | Average$685 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$423 | Average$471 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$783 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$425 | Average$849 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$469 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$759 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$473 | Average$819 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$476 | Average$856 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$479 | Average$822 | FlexibilityNo cancel fee | On-timeN/A |