$251+ Cheap flights from Chicago (CHI) to Dublin (DUB)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Dublin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to Dublin are usually found in January or February, booked 87 days in advance, depart on a Monday or Wednesday and return on a Sunday
Cheap flight deals from Chicago to Dublin
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Cheapest flights from Chicago to DublinExplore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 12/612:50 pm -
1 stop12h 20m
Tue 12/159:00 am -
1 stop12h 38m
Deal found 9/13![Multiple Airlines logo]()
$519
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:55 pm -
Nonstop7h 20m
Tue 11/103:50 pm -
Nonstop8h 30m
Deal found 9/14![Aer Lingus logo]()
$523
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:55 pm -
Nonstop7h 20m
Wed 11/411:30 am -
Nonstop8h 40m
Deal found 9/11![Aer Lingus logo]()
$524
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:55 pm -
Nonstop7h 20m
Wed 12/93:50 pm -
Nonstop8h 30m
Deal found 9/14![Aer Lingus logo]()
$525
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:55 pm -
Nonstop7h 20m
Fri 11/2011:30 am -
Nonstop8h 40m
Deal found 9/10![Aer Lingus logo]()
$526
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:55 pm -
Nonstop7h 20m
Tue 11/33:50 pm -
Nonstop8h 30m
Deal found 9/14![Aer Lingus logo]()
$527
This Booking.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:55 pm -
Nonstop7h 20m
Fri 12/43:50 pm -
Nonstop8h 30m
Deal found 9/13![Aer Lingus logo]()
$528
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sun 10/254:55 pm -
Nonstop7h 20m
Tue 11/311:30 am -
Nonstop8h 40m
Deal found 9/10![Aer Lingus logo]()
$529
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 pm -
1 stop13h 05m
Tue 11/38:40 pm -
1 stop23h 05m
Deal found 9/10![British Airways logo]()
$530
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:55 am -
1 stop22h 25m
Thu 11/199:00 am -
1 stop30h 23m
Deal found 9/11![United Airlines logo]()
$531
This Kissandfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/264:40 pm -
1 stop9h 50m
Wed 11/412:05 pm -
1 stop27h 40m
Deal found 9/12![Lufthansa logo]()
$535
This Air France deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Wed 10/2812:49 pm -
1 stop13h 56m
Wed 11/49:40 am -
1 stop18h 53m
Deal found 9/13![Air France logo]()
$546
Best flights from Chicago to DublinDiscover carefully curated flight deals from Chicago to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Chicago to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:59 pm -
1 stop12h 31m
Wed 11/1810:40 am -
Nonstop8h 40m
Deal found 9/13![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/2810:59 am -
1 stop15h 46m
Wed 11/49:40 am -
1 stop18h 53m
Deal found 9/13![Delta logo]()
$556
This KLM deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/511:38 am -
1 stop14h 07m
Tue 11/109:40 am -
1 stop19h 14m
Deal found 9/13![KLM logo]()
$776
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/19:37 am -
2 stops17h 08m
Tue 12/159:40 am -
1 stop19h 15m
Deal found 9/14![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/238:20 pm -
Nonstop7h 25m
Wed 10/79:50 am -
1 stop16h 16m
Deal found 9/11![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 2/96:00 am -
2 stops20h 45m
Tue 2/169:40 am -
1 stop12h 45m
Deal found 9/13![Delta logo]()
$565
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 9/308:20 pm -
Nonstop7h 25m
Wed 10/79:50 am -
1 stop16h 16m
Deal found 9/12![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 9/10. 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 1/181:00 pm -
2 stops13h 45m
Tue 1/2610:45 am -
2 stops17h 25m
Deal found 9/10![Delta logo]()
$565
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/226:30 am -
1 stop22h 10m
Wed 9/309:20 am -
1 stop29h 40m
Deal found 9/14![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 2/81:00 pm -
2 stops13h 45m
Thu 2/1810:45 am -
2 stops17h 25m
Deal found 9/14![Delta logo]()
$565
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 9/288:20 pm -
Nonstop7h 25m
Tue 10/69:50 am -
1 stop15h 58m
Deal found 9/12![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/261:50 pm -
1 stop13h 55m
Wed 11/48:50 am -
2 stops17h 40m
Deal found 9/11![Delta logo]()
$575
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:20 pm -
Nonstop7h 25m
Tue 10/209:50 am -
1 stop18h 16m
Deal found 9/14![United Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/266:44 pm -
2 stops14h 46m
Wed 11/49:40 am -
1 stop18h 53m
Deal found 9/11![Delta logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 9/309:00 am -
1 stop16h 30m
Tue 10/69:50 am -
1 stop11h 05m
Deal found 9/13![United Airlines logo]()
$591
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/1312:27 pm -
1 stop13h 28m
Tue 10/2011:00 am -
1 stop17h 33m
Deal found 9/14![Delta logo]()
$605
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:35 pm -
Nonstop7h 35m
Tue 11/31:35 pm -
1 stop12h 39m
Deal found 9/13![United Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/307:01 pm -
1 stop8h 59m
Tue 10/61:15 pm -
2 stops15h 18m
Deal found 9/14![Delta logo]()
$609
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/231:51 pm -
1 stop12h 54m
Wed 10/75:55 am -
2 stops18h 25m
Deal found 9/11![Delta logo]()
$623
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 11/311:39 am -
1 stop14h 06m
Sun 11/89:55 am -
2 stops18h 38m
Deal found 9/10![Delta logo]()
$625
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:12 am -
1 stop15h 43m
Sun 11/159:55 am -
2 stops18h 59m
Deal found 9/11![Delta logo]()
$780
Last-minute flights from Chicago to DublinDiscover last-minute flight deals from Chicago to Dublin. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Dublin. Data last updated September 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sun 10/254:55 pm -
Nonstop7h 20m
Tue 11/311:30 am -
Nonstop8h 40m
Deal found 9/10![Aer Lingus logo]()
$529
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 pm -
1 stop13h 05m
Tue 11/38:40 pm -
1 stop23h 05m
Deal found 9/10![British Airways logo]()
$530
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sun 10/2512:50 pm -
1 stop12h 20m
Tue 11/35:10 am -
1 stop14h 00m
Deal found 9/10![Multiple Airlines logo]()
$540
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/2512:27 pm -
1 stop14h 28m
Tue 11/38:50 am -
2 stops15h 10m
Deal found 9/11![KLM logo]()
$575
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:55 pm -
Nonstop7h 20m
Wed 11/411:30 am -
Nonstop8h 40m
Deal found 9/11![Aer Lingus logo]()
$524
This Kissandfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 10/264:40 pm -
1 stop9h 50m
Wed 11/412:05 pm -
1 stop27h 40m
Deal found 9/12![Lufthansa logo]()
$535
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Mon 10/266:10 pm -
1 stop10h 45m
Wed 11/411:30 am -
1 stop12h 07m
Deal found 9/14![American Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/267:35 pm -
Nonstop7h 35m
Wed 11/410:40 am -
Nonstop8h 40m
Deal found 9/11![United Airlines logo]()
$541
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:55 pm -
Nonstop7h 20m
Tue 11/103:50 pm -
Nonstop8h 30m
Deal found 9/14![Aer Lingus logo]()
$523
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:55 pm -
Nonstop7h 20m
Tue 11/33:50 pm -
Nonstop8h 30m
Deal found 9/14![Aer Lingus logo]()
$527
This Air France deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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.
Wed 10/2812:49 pm -
1 stop13h 56m
Wed 11/49:40 am -
1 stop18h 53m
Deal found 9/13![Air France logo]()
$546
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/2810:59 am -
1 stop15h 46m
Wed 11/49:40 am -
1 stop18h 53m
Deal found 9/11![Delta logo]()
$556
One-way flights from Chicago to DublinSearch for one-way flight options from Chicago to Dublin. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Chicago to Dublin. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Sat 10/1711:45 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$251
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Thu 10/111:45 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/133:20 pm -
1 stop14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$264
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/611:45 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/103:20 pm -
1 stop14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$269
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/19:55 am -
1 stop19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$272
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Tue 10/133:45 pm -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/148:04 am -
2 stops45h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$278
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/311:05 am -
2 stops18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$283
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/2911:45 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$284
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/173:45 pm -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$285
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/62:00 pm -
1 stop15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$291
Find flight deals from Chicago to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $479 (Gotogate) |
One-way from | $248 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $707 |
Good round-trip deal | $828 or less |
Good one-way deal | $418 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Dublin 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 15, 2026.
Use the filters below to find and compare flights from Chicago to Dublin 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
9:50 pm-7:40 pm
1 stop15h 50m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$317
Quickest round-trip
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 1/11
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$325
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Wed 1/13
1:00 pm-8:45 am
2 stops13h 45m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$325
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Tue 1/12
9:30 am-8:45 am
2 stops17h 15m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$325
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 12/30
11:09 am-9:55 am
2 stops16h 46m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Wed 12/30
9:58 am-7:45 am
1 stop15h 47m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
ChicagoDublin
MDW Chicago Midway - DUB Dublin
MDWDUB
Chicago Midway
Fri 10/2
6:46 pm-9:35 am
3 stops56h 49m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$341
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 10/11
9:38 am-8:20 am
1 stop16h 42m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$353
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Thu 10/15
9:38 am-8:20 am
1 stop16h 42m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$353
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 10/19
9:38 am-8:20 am
1 stop16h 42m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$353
Showing 1-10 of 42 resultsSorted by cheapest first
Compare providers for flights from Chicago to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Dublin in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Chicago with our price prediction graph.
CHI-DUB
MDW-DUB
ORD-DUB
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 Dublin
CHI-DUB
MDW-DUB
ORD-DUB
What is the cheapest month to book a flight from Chicago to Dublin?
Currently, January is the cheapest month in which you can book a flight from Chicago to Dublin (average of $514). Flying from Chicago to Dublin in June is currently the most expensive (average of $949). 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 DUB?
Find hourly flight availability from Chicago to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Dublin as you normally would.
Weekly flight availability from Chicago to Dublin
Explore weekly flight availability from Chicago to Dublin. 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 15, 2026.
The most flights from CHI to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Chicago to Dublin?
Airfare is below average for this route at the moment.
Chicago to Dublin flights typically cost between $492 and $875 in February.The cheapest round-trip price found within the last 5 days was $479 on Icelandair (Feb 12-Feb 16).
What’s the top layover airport for flights from Chicago to Dublin?
Share of 1-stop round-trip flights from Chicago to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Copenhagen (CPH) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago to Dublin on Cheapflights.
What’s the cheapest layover airport for flights from Chicago to Dublin?
Average round-trip fare for 1-stop flights from Chicago to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $492.
What’s the fastest layover option from Chicago to Dublin?
Shortest average travel time for 1-stop one-way flights from Chicago to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 9h 40m.
Which airport typically offers the quickest layover for flights from Chicago to Dublin?
Average layover duration for 1-stop one-way flights from Chicago to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 43m.
How often are flights from Chicago to Dublin delayed?
About 23% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for Chicago to Dublin 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?
Sunday tends to have the lowest number of delays on this route, whereas Thursday 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 Dublin flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
How far ahead should I book a flight from Chicago to Dublin?
The price you pay for your flight from Chicago to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
The best insider tips for Chicago to Dublin flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Dublin trip
Our travel experts
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated September 15, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAmerican Airlines from Chicago to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Food
6.7
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
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 Dublin. 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 Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
Bray
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Complete your trip
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Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
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Chicago and Dublin flights
Browse other Chicago and Dublin flight options. Last updated on September 15, 2026.
Other flights from Chicago
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Popular flight searches
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Top 10 airlines flying from Chicago to Dublin
Discover the top 10 airlines that operate flights from Chicago to Dublin. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$346 | Average$586 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$358 | Average$702 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$424 | Average$769 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$425 | Average$849 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$438 | Average$517 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$469 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$473 | Average$836 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$479 | Average$832 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$876 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$488 | Average$724 | FlexibilityNo cancel fee | On-time76% |