$417+ Cheap flights from Ireland to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from Ireland to Chicago 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 ChicagoExplore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This TravelUp deal was found by Cheapflights users on 9/4. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:30 am -
1 stop11h 50m
Sun 11/296:30 pm -
1 stop9h 45m
Deal found 9/4![Icelandair logo]()
$417
This TravelUp deal was found by Cheapflights users on 9/5. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:30 am -
1 stop11h 50m
Sun 11/296:30 pm -
1 stop9h 45m
Deal found 9/5![Icelandair logo]()
$418
This Justfly.com deal was found by Cheapflights users on 9/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:30 am -
1 stop11h 50m
Sat 11/286:30 pm -
1 stop9h 45m
Deal found 9/4![Icelandair logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/2411:30 am -
1 stop11h 50m
Sun 11/296:30 pm -
1 stop9h 45m
Deal found 9/5![Icelandair logo]()
$458
This Icelandair deal was found by Cheapflights users on 9/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop11h 50m
Sun 12/66:30 pm -
1 stop9h 45m
Deal found 9/2![Icelandair logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/2411:30 am -
1 stop11h 50m
Mon 11/306:30 pm -
1 stop9h 45m
Deal found 9/5![Icelandair logo]()
$482
This SmartFares deal was found by Cheapflights users on 9/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:15 pm -
1 stop10h 00m
Mon 9/217:25 pm -
1 stop11h 50m
Deal found 9/1![Icelandair logo]()
$501
This Mytrip deal was found by Cheapflights users on 9/2. 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.
Wed 11/119:10 am -
1 stop16h 55m
Wed 11/2510:35 pm -
1 stop18h 10m
Deal found 9/2![Lufthansa logo]()
$506
This Gotogate deal was found by Cheapflights users on 9/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:50 am -
1 stop16h 55m
Fri 1/89:50 pm -
1 stop11h 55m
Deal found 9/5![Multiple Airlines logo]()
$551
This Gotogate deal was found by Cheapflights users on 9/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:50 am -
1 stop16h 55m
Sat 1/99:50 pm -
1 stop12h 55m
Deal found 9/5![Multiple Airlines logo]()
$552
This Gotogate deal was found by Cheapflights users on 9/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:40 am -
1 stop12h 05m
Thu 1/75:10 pm -
1 stop21h 50m
Deal found 9/3![Multiple Airlines logo]()
$554
This Gotogate deal was found by Cheapflights users on 9/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:50 am -
1 stop11h 55m
Sun 1/105:10 pm -
1 stop20h 15m
Deal found 9/3![Multiple Airlines logo]()
$557
Best flights from Ireland to ChicagoDiscover carefully curated flight deals from Ireland to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Ireland to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Icelandair deal was found by Cheapflights users on 9/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop11h 50m
Sun 12/66:30 pm -
1 stop9h 45m
Deal found 9/4![Icelandair logo]()
$460
This SWISS deal was found by Cheapflights users on 9/4. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 pm -
1 stop24h 05m
Tue 11/106:50 pm -
1 stop34h 30m
Deal found 9/4![SWISS logo]()
$540
This British Airways deal was found by Cheapflights users on 9/3. 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.
Sat 11/218:40 pm -
1 stop24h 50m
Tue 2/25:10 pm -
1 stop10h 30m
Deal found 9/3![British Airways logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:00 am -
1 stop12h 38m
Tue 2/29:00 am -
2 stops16h 30m
Deal found 9/3![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 9/1. 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.
Sun 10/255:45 am -
1 stop14h 40m
Sat 11/76:25 pm -
1 stop18h 00m
Deal found 9/1![Delta logo]()
$560
This Lufthansa deal was found by Cheapflights users on 9/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:10 am -
1 stop16h 10m
Tue 11/106:30 pm -
Nonstop7h 40m
Deal found 9/4![Lufthansa logo]()
$561
This KLM deal was found by Cheapflights users on 9/1. 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 10/299:55 am -
1 stop11h 52m
Wed 11/412:27 pm -
1 stop13h 28m
Deal found 9/1![KLM logo]()
$636
This Air France deal was found by Cheapflights users on 9/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:50 am -
2 stops16h 41m
Sun 10/115:10 pm -
1 stop15h 30m
Deal found 9/2![Multiple Airlines logo]()
$716
This Delta deal was found by Cheapflights users on 9/4. 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.
Wed 12/235:45 am -
1 stop14h 40m
Fri 1/13:35 pm -
1 stop10h 20m
Deal found 9/4![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
Nonstop8h 20m
Thu 9/176:05 pm -
Nonstop7h 25m
Deal found 9/2![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 9/1. 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.
Mon 10/196:15 am -
1 stop14h 15m
Sun 10/257:25 pm -
1 stop14h 20m
Deal found 9/1![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
Nonstop8h 20m
Sat 9/196:05 pm -
Nonstop7h 25m
Deal found 9/2![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 12/298:50 am -
2 stops18h 32m
Sun 1/1010:40 am -
2 stops16h 20m
Deal found 9/3![Delta logo]()
$564
This KLM deal was found by Cheapflights users on 9/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:15 am -
2 stops16h 32m
Mon 10/261:27 pm -
2 stops16h 13m
Deal found 9/4![KLM logo]()
$689
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:30 pm -
1 stop16h 51m
Thu 10/221:55 pm -
1 stop14h 20m
Deal found 9/1![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 9/2. 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 12/248:50 am -
2 stops14h 50m
Fri 1/16:15 pm -
2 stops13h 55m
Deal found 9/2![Delta logo]()
$565
This Air France deal was found by Cheapflights users on 9/3. 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.
Mon 10/196:15 am -
2 stops16h 32m
Sun 10/256:44 pm -
2 stops15h 01m
Deal found 9/3![Multiple Airlines logo]()
$762
This KLM deal was found by Cheapflights users on 9/3. 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.
Sun 12/276:00 am -
1 stop14h 25m
Sat 1/96:25 pm -
1 stop14h 20m
Deal found 9/3![KLM logo]()
$698
This British Airways deal was found by Cheapflights users on 9/3. 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.
Tue 12/2911:55 am -
1 stop12h 50m
Sat 1/98:40 pm -
1 stop18h 20m
Deal found 9/3![British Airways logo]()
$772
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:30 pm -
2 stops17h 02m
Wed 10/2112:40 pm -
2 stops15h 35m
Deal found 9/1![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 9/2. 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 10/215:55 am -
2 stops18h 05m
Wed 10/2812:27 pm -
1 stop14h 28m
Deal found 9/2![Delta logo]()
$572
This British Airways deal was found by Cheapflights users on 9/3. 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.
Thu 10/227:30 am -
1 stop13h 30m
Wed 10/281:31 pm -
2 stops22h 14m
Deal found 9/3![British Airways logo]()
$777
This KLM deal was found by Cheapflights users on 9/1. 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 9/101:05 pm -
1 stop14h 32m
Mon 9/1411:29 am -
2 stops17h 41m
Deal found 9/1![KLM logo]()
$723
This KLM deal was found by Cheapflights users on 9/3. 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.
Sat 12/266:00 am -
2 stops17h 40m
Thu 1/75:59 pm -
2 stops14h 46m
Deal found 9/3![Multiple Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:30 pm -
2 stops15h 30m
Fri 9/1812:55 pm -
2 stops15h 20m
Deal found 9/4![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 8/31. 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 10/269:55 am -
1 stop11h 52m
Mon 11/26:04 am -
1 stop19h 41m
Deal found 8/31![Delta logo]()
$577
This British Airways deal was found by Cheapflights users on 8/31. 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 9/107:30 am -
1 stop13h 25m
Mon 9/145:55 pm -
1 stop20h 40m
Deal found 8/31![British Airways logo]()
$777
This KLM deal was found by Cheapflights users on 9/2. 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 10/810:50 am -
2 stops16h 41m
Sun 10/1112:30 pm -
2 stops15h 50m
Deal found 9/2![KLM logo]()
$741
This Delta deal was found by Cheapflights users on 9/5. 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 10/269:55 am -
1 stop11h 52m
Sun 11/110:12 am -
1 stop15h 43m
Deal found 9/5![Delta logo]()
$579
This Delta deal was found by Cheapflights users on 9/4. 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 10/309:40 am -
1 stop17h 53m
Thu 11/511:38 am -
1 stop14h 07m
Deal found 9/4![Delta logo]()
$579
Last-minute flights from Ireland to ChicagoDiscover last-minute flight deals from Ireland to Chicago. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to Chicago. Data last updated September 5, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 8/31. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
1 stop16h 09m
Wed 9/1612:09 pm -
1 stop15h 36m
Deal found 8/31![Finnair logo]()
$567
This lol.travel deal was found by Cheapflights users on 9/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:45 am -
1 stop13h 53m
Thu 9/1712:09 pm -
1 stop15h 36m
Deal found 9/1![Finnair logo]()
$569
This SmartFares deal was found by Cheapflights users on 9/2. 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.
Thu 9/109:20 am -
1 stop11h 32m
Thu 9/178:20 pm -
Nonstop7h 25m
Deal found 9/2![Multiple Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 9/1. 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.
Mon 10/196:15 am -
1 stop14h 15m
Sun 10/255:29 pm -
2 stops16h 16m
Deal found 9/1![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 9/4. 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.
Mon 10/196:15 am -
2 stops21h 12m
Mon 10/265:25 pm -
1 stop12h 15m
Deal found 9/4![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 10/205:55 am -
2 stops18h 05m
Fri 10/309:29 am -
2 stops17h 26m
Deal found 9/3![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 10/225:55 am -
2 stops18h 05m
Mon 10/266:44 pm -
2 stops14h 46m
Deal found 9/3![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 9/3. 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.
Mon 10/269:55 am -
1 stop11h 52m
Mon 11/26:04 am -
1 stop19h 41m
Deal found 9/3![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 9/2. 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 10/2810:45 am -
2 stops16h 48m
Tue 11/312:27 pm -
2 stops14h 33m
Deal found 9/2![Delta logo]()
$576
This Delta deal was found by Cheapflights users on 9/1. 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 10/295:45 am -
2 stops17h 15m
Wed 11/411:39 am -
1 stop14h 06m
Deal found 9/1![Delta logo]()
$568
This Delta deal was found by Cheapflights users on 9/5. 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 10/298:50 am -
2 stops18h 43m
Sat 11/712:27 pm -
2 stops14h 33m
Deal found 9/5![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 9/5. 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.
Sat 10/316:00 am -
2 stops17h 00m
Fri 11/612:27 pm -
2 stops14h 58m
Deal found 9/5![Delta logo]()
$574
One-way flights from Ireland to ChicagoSearch for one-way flight options from Ireland to Chicago. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Ireland to Chicago. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 pm -
3 stops24h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:50 pm -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
3 stops38h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 2/256:50 pm -
2 stops26h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 8/31. 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 11/248:20 pm -
2 stops25h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 3/210:25 am -
3 stops34h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 pm -
2 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sun 2/286:00 pm -
2 stops28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$467
This Thrive Travel deal was found by Cheapflights users on 9/5. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:50 pm -
Nonstop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Iberia logo]()
$469
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/5. 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.
Sat 11/74:55 pm -
1 stop28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![TAP AIR PORTUGAL logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Mon 10/1910:05 pm -
2 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/209:45 pm -
3 stops55h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$498
Find flight deals from Ireland to Chicago
Keep the following information in mind while searching for Ireland to Chicago flight deals. Data was last updated September 5, 2026.
Round-trip from | $416 (TravelUp) |
|---|---|
Popular in | August |
Cheapest in | November |
Average price | $596 |
Good round-trip deal | $545 or less |
Good one-way deal | $624 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to Chicago 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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from Ireland to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Wed 12/2
11:30 am-5:20 pm
1 stop11h 50m
Chicago O'Hare Intl
Sun 12/6
6:30 pm-10:15 am
1 stop9h 45m
$460
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Tue 3/2
10:25 am-2:55 pm
3 stops34h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$462
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Mon 3/1
6:10 am-4:45 pm
2 stops16h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$482
DublinChicago
DUB Dublin - MDW Chicago Midway
DUBMDW
Dublin
Tue 10/20
9:45 pm-11:43 pm
3 stops55h 58m
Chicago Midway
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$498
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Tue 9/22
9:45 pm-4:00 pm
2 stops24h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$503
DublinChicago
DUB Dublin - MDW Chicago Midway
DUBMDW
Dublin
Thu 9/24
4:20 pm-11:00 am
3 stops48h 40m
Chicago Midway
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$504
ShannonChicago
SNN Shannon - ORD Chicago O'Hare Intl
SNNORD
Shannon
Thu 9/17
6:05 am-4:00 pm
3 stops39h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$508
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Mon 11/2
11:30 am-5:20 pm
1 stop11h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$514
ShannonChicago
SNN Shannon - MDW Chicago Midway
SNNMDW
Shannon
Sat 10/10
1:35 pm-11:00 am
3 stops51h 25m
Chicago Midway
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$514
CorkChicago
ORK Cork - ORD Chicago O'Hare Intl
ORKORD
Cork
Wed 9/23
7:10 am-1:50 pm
1 stop12h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$518
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ireland to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Ireland with our price prediction graph.
DUB-ORD
DUB-MDW
ORK-ORD
SNN-ORD
SNN-MDW
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 Chicago
IE0-CHI
DUB-ORD
DUB-MDW
ORK-ORD
SNN-ORD
What is the cheapest month to book a flight from Ireland to Chicago?
Currently, November is the cheapest month in which you can book a flight from Ireland to Chicago (average of $494). Flying from Ireland to Chicago in July is currently the most expensive (average of $837). 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 CHI?
Find hourly flight availability from Ireland to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Chicago as you normally would.
Weekly flight availability from Ireland to Chicago
Explore weekly flight availability from Ireland to Chicago. 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 September 5, 2026.
The most flights from IE0 to CHI are scheduled on a Thursday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 on average).
How often are flights from Ireland to Chicago delayed?
About 11% of weekly flights between Ireland and Chicago have experienced delays in the past year, with the average delay time being 154 minutes.
What is the most punctual flight time for Ireland to Chicago flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ireland to Chicago flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 7% of flights being delayed.
How far ahead should I book a flight from Ireland to Chicago?
The best time to book flights from Ireland to Chicago is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated September 5, 2026.
Read through reviews of airlines operating flights from Ireland to Chicago, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Comfort
7.2
Boarding
7.5
Food
6.7
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
DUB - IAD
Entertainment
7.0
Comfort
7.2
Boarding
7.5
Food
6.7
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
DUB - IAD
Related info for your journey
Find useful and relevant information for your journey from Ireland to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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.
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Alternative routes for Ireland to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 5, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ireland to Chicago by cabin class
Find flights from Ireland to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ireland and Chicago flights
Browse other Ireland and Chicago flight options. Last updated on September 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ireland to Chicago flights
Consider these flights traveling from Ireland to Chicago.
Top 2 airlines flying from Ireland to Chicago
Discover the top 2 airlines that operate flights from Ireland to Chicago. 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$453 | Average$650 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$680 | FlexibilityNo cancel fee | On-time69% |