$252+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Nov 29 — Dec 61
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 February or January, booked 87 days in advance, depart on a Monday or Wednesday and return on a Thursday
Cheap flight deals from Chicago to Dublin
Cheapest
Best
Last-minute
One-way
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 October 30, 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 October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/27:00 am -
2 stops21h 15m
Wed 12/911:30 am -
3 stops27h 48m
Deal found 10/29![Multiple Airlines logo]()
$584
This Kissandfly.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Fri 10/309:05 pm -
Nonstop7h 25m
Thu 11/53:50 pm -
Nonstop8h 30m
Deal found 10/28![Aer Lingus logo]()
$587
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/97:25 am -
2 stops20h 50m
Wed 12/1611:30 am -
3 stops35h 03m
Deal found 10/25![Multiple Airlines logo]()
$588
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Wed 12/96:30 pm -
1 stop9h 45m
Wed 12/1611:30 am -
1 stop11h 50m
Deal found 10/29![Icelandair logo]()
$590
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/296:30 pm -
1 stop9h 45m
Tue 12/811:30 am -
1 stop11h 50m
Deal found 10/29![Icelandair logo]()
$592
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Mon 11/306:30 pm -
1 stop9h 45m
Tue 12/1511:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$597
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Mon 12/76:30 pm -
1 stop9h 45m
Wed 12/1611:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$598
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Wed 12/26:30 pm -
1 stop9h 45m
Thu 12/1011:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$600
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Mon 12/77:25 am -
2 stops20h 50m
Wed 12/1611:30 am -
3 stops25h 32m
Deal found 10/27![Multiple Airlines logo]()
$602
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 October 30, 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 October 30, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/27:10 pm -
1 stop17h 10m
Wed 12/912:35 pm -
2 stops34h 10m
Deal found 10/27![Scandinavian Airlines logo]()
$733
This United deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 pm -
Nonstop7h 40m
Tue 12/85:10 am -
1 stop14h 00m
Deal found 10/25![Multiple Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 1/136:30 pm -
Nonstop7h 40m
Tue 2/210:40 am -
Nonstop8h 40m
Deal found 10/30![United Airlines logo]()
$755
This British Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:50 pm -
1 stop13h 10m
Fri 1/298:50 am -
1 stop15h 55m
Deal found 10/28![British Airways logo]()
$759
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/1110:40 am -
2 stops16h 20m
Thu 1/285:45 am -
1 stop14h 40m
Deal found 10/29![Delta logo]()
$760
This Scandinavian Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/307:10 pm -
2 stops34h 40m
Fri 12/411:30 am -
2 stops35h 15m
Deal found 10/26![Scandinavian Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/138:58 am -
1 stop16h 32m
Wed 1/2010:40 am -
Nonstop8h 40m
Deal found 10/26![United Airlines logo]()
$759
This Scandinavian Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:10 pm -
2 stops33h 35m
Tue 12/811:30 am -
2 stops35h 25m
Deal found 10/30![Scandinavian Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/292:21 pm -
1 stop13h 59m
Tue 12/810:40 am -
Nonstop8h 40m
Deal found 10/25![United Airlines logo]()
$779
This Scandinavian Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:10 pm -
2 stops33h 35m
Sat 4/248:00 pm -
2 stops26h 10m
Deal found 10/25![Scandinavian Airlines logo]()
$747
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Fri 11/277:10 pm -
2 stops33h 25m
Tue 12/111:30 am -
2 stops35h 15m
Deal found 10/28![Scandinavian Airlines logo]()
$754
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/117:10 pm -
1 stop34h 35m
Tue 3/911:30 am -
2 stops59h 15m
Deal found 10/29![Scandinavian Airlines logo]()
$764
Last-minute flights from Chicago to DublinDiscover last-minute flight deals from Chicago to Dublin. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Dublin. Data last updated October 30, 2026 and is based on user searches.
This Kissandfly.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Fri 10/309:05 pm -
Nonstop7h 25m
Thu 11/53:50 pm -
Nonstop8h 30m
Deal found 10/28![Aer Lingus logo]()
$587
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm -
1 stop9h 45m
Thu 11/1911:30 am -
1 stop11h 50m
Deal found 10/29![Icelandair logo]()
$609
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/106:30 pm -
1 stop9h 45m
Tue 11/2411:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$608
This oojo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 pm -
1 stop9h 45m
Thu 11/1911:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$610
This oojo deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 pm -
1 stop9h 45m
Wed 11/2511:30 am -
1 stop11h 50m
Deal found 10/28![Icelandair logo]()
$607
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/296:30 pm -
1 stop9h 45m
Tue 12/811:30 am -
1 stop11h 50m
Deal found 10/29![Icelandair logo]()
$592
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/296:30 pm -
1 stop9h 45m
Wed 12/911:30 am -
1 stop11h 50m
Deal found 10/29![Icelandair logo]()
$605
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/296:30 pm -
1 stop9h 45m
Fri 12/1111:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$606
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Mon 11/306:30 pm -
1 stop9h 45m
Tue 12/1511:30 am -
1 stop11h 50m
Deal found 10/27![Icelandair logo]()
$597
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 October 30, 2026.
Search for one-way flight options from Chicago to Dublin. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/257:00 pm -
2 stops17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:10 pm -
2 stops31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm -
2 stops21h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/158:10 pm -
2 stops22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/88:10 pm -
3 stops42h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/117:00 pm -
3 stops37h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$280
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $583 (Mytrip) |
One-way from | $252 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $698 |
Good round-trip deal | $719 or less |
Good one-way deal | $462 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 October 30, 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
Fri 12/11
6:30 pm-10:15 am
1 stop9h 45m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$400
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sat 11/7
5:30 pm-11:59 pm
3 stops48h 29m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$453
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Thu 1/14
2:55 pm-8:20 am
1 stop11h 25m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$503
Quickest round-trip
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 1/12
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$505
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 1/3
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$505
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 11/16
5:59 am-7:30 am
2 stops19h 31m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$509
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 12/28
1:00 pm-9:55 am
2 stops14h 55m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$509
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 11/8
7:00 am-7:30 am
2 stops18h 30m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$509
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 1/4
12:29 pm-7:30 am
2 stops13h 01m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$509
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 11/18
8:50 am-9:55 am
2 stops19h 05m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$509
Showing 1-10 of 23 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 October.
| 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 Accuracy2 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
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
ORD-DUB
What is the cheapest month to book a flight from Chicago to Dublin?
Currently, February is the cheapest month in which you can book a flight from Chicago to Dublin (average of $519). Flying from Chicago to Dublin in June is currently the most expensive (average of $953). 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 October 30, 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.
How much does it cost to fly round-trip from Chicago to Dublin?
Airfare is typical for this route at the moment.
Chicago to Dublin flights typically cost between $419 and $831 in December.The cheapest round-trip price found within the last 5 days was $583 on Multiple Airlines (Dec 7-Dec 14).
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.
Reykjavik (KEF) – chosen by Cheapflights users on 50% 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 154 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 16% 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 85 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
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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 October 30, 2026.
Get a feel of what it's like to fly with Aer Lingus,United Airlines, 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.
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Comfort
7.2
Overall
7.3
Boarding
7.5
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
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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Alternative routes for Chicago to Dublin
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Complete your trip
Complete your trip to Dublin by adding a car rental and/or hotel reservation to your travel itinerary.
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 October 30, 2026.
Search flights from Chicago to Dublin by cabin class
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Chicago and Dublin flights
Browse other Chicago and Dublin flight options. Last updated on October 30, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$358 | Average$713 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$612 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$424 | Average$773 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$425 | Average$843 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$440 | Average$519 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$469 | Average$589 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$472 | Average$952 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$474 | Average$868 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$479 | Average$833 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$480 | Average$872 | FlexibilityNo cancel fee | On-time69% |