$388+ Cheap flights from Dublin (DUB) to O'Hare Intl (ORD)
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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Dublin to O'Hare Intl 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 Dublin to Chicago O'Hare Intl are usually found in November or September, booked 56 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap flight deals from Dublin to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dublin to O'Hare IntlExplore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/411:30 am -
1 stop11h 50m
Sun 11/86:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$513
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/211:30 am -
1 stop11h 50m
Sat 12/56:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$519
This Flightnetwork deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop11h 50m
Wed 12/96:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$521
This oojo deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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.
Wed 12/1611:30 am -
1 stop11h 50m
Mon 2/156:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$532
This Justfly.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Mon 12/2111:30 am -
1 stop11h 50m
Fri 1/156:30 pm -
1 stop9h 45m
Deal found 10/21![Icelandair logo]()
$538
This Trip.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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.
Sun 11/111:30 am -
1 stop11h 50m
Sun 11/86:30 pm -
1 stop9h 45m
Deal found 10/23![Icelandair logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/2111:30 am -
1 stop11h 50m
Sat 1/166:30 pm -
1 stop9h 45m
Deal found 10/21![Icelandair logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/2111:30 am -
1 stop11h 50m
Tue 1/126:30 pm -
1 stop9h 45m
Deal found 10/22![Icelandair logo]()
$556
This Icelandair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/2411:30 am -
1 stop11h 50m
Sun 11/296:30 pm -
1 stop9h 45m
Deal found 10/21![Icelandair logo]()
$561
This Booking.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Sat 11/217:05 pm -
1 stop27h 40m
Sat 11/287:10 pm -
1 stop34h 35m
Deal found 10/24![Scandinavian Airlines logo]()
$579
Best flights from Dublin to O'Hare IntlDiscover carefully curated flight deals from Dublin to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Dublin to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Icelandair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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.
Thu 2/1811:30 am -
1 stop11h 50m
Tue 2/236:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$560
This Scandinavian Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1810:55 am -
2 stops35h 50m
Tue 2/237:10 pm -
2 stops32h 50m
Deal found 10/20![Scandinavian Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 12/35:45 am -
2 stops18h 41m
Mon 12/75:59 pm -
2 stops14h 31m
Deal found 10/24![Delta logo]()
$630
This Icelandair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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.
Fri 1/2211:30 am -
1 stop11h 50m
Thu 1/286:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$560
This Scandinavian Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 4/127:50 pm -
2 stops26h 20m
Tue 4/207:15 pm -
1 stop17h 05m
Deal found 10/24![Scandinavian Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/98:50 am -
1 stop11h 35m
Sun 11/155:05 pm -
2 stops13h 35m
Deal found 10/22![Delta logo]()
$631
This Scandinavian Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 1/2210:55 am -
2 stops35h 50m
Thu 1/287:10 pm -
1 stop17h 10m
Deal found 10/20![Scandinavian Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/165:45 am -
1 stop14h 40m
Mon 2/1510:40 am -
2 stops16h 20m
Deal found 10/22![Delta logo]()
$644
This Scandinavian Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/247:05 pm -
1 stop27h 40m
Sun 11/297:10 pm -
2 stops33h 35m
Deal found 10/21![Scandinavian Airlines logo]()
$612
This Scandinavian Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/27:05 pm -
1 stop27h 40m
Sun 12/67:10 pm -
1 stop34h 35m
Deal found 10/22![Scandinavian Airlines logo]()
$620
This Scandinavian Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 2/107:05 pm -
1 stop27h 40m
Tue 2/1610:40 am -
2 stops25h 40m
Deal found 10/22![Scandinavian Airlines logo]()
$649
Last-minute flights from Dublin to O'Hare IntlDiscover last-minute flight deals from Dublin to O'Hare Intl. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated October 24, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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.
Sun 11/111:30 am -
1 stop11h 50m
Sun 11/86:30 pm -
1 stop9h 45m
Deal found 10/23![Icelandair logo]()
$546
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/411:30 am -
1 stop11h 50m
Sun 11/86:30 pm -
1 stop9h 45m
Deal found 10/20![Icelandair logo]()
$513
This Trip.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/54:25 am -
1 stop17h 05m
Fri 11/138:10 pm -
1 stop14h 00m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$583
This Gotogate deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/117:05 pm -
1 stop27h 40m
Sun 11/157:10 pm -
2 stops33h 35m
Deal found 10/22![Scandinavian Airlines logo]()
$592
This Gotogate deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Fri 11/137:05 pm -
1 stop27h 40m
Tue 11/177:10 pm -
1 stop17h 10m
Deal found 10/24![Scandinavian Airlines logo]()
$591
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:25 am -
1 stop17h 05m
Fri 11/278:10 pm -
1 stop14h 00m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$590
This Scandinavian Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:55 am -
2 stops35h 50m
Thu 11/267:10 pm -
2 stops32h 10m
Deal found 10/22![Scandinavian Airlines logo]()
$599
This Booking.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Sat 11/217:05 pm -
1 stop27h 40m
Sat 11/287:10 pm -
1 stop34h 35m
Deal found 10/24![Scandinavian Airlines logo]()
$579
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 am -
1 stop12h 35m
Sun 11/297:10 pm -
1 stop34h 35m
Deal found 10/21![Scandinavian Airlines logo]()
$596
This Icelandair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 11/2411:30 am -
1 stop11h 50m
Sun 11/296:30 pm -
1 stop9h 45m
Deal found 10/21![Icelandair logo]()
$561
One-way flights from Dublin to O'Hare IntlSearch for one-way flight options from Dublin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Dublin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/307:20 pm -
2 stops50h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/145:45 am -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/16:30 am -
2 stops39h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/912:45 pm -
3 stops34h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/106:20 am -
3 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$398
This Thrive Travel deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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.
Sat 11/71:05 pm -
1 stop12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![British Airways logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 1/96:55 am -
3 stops40h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$400
This oojo deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Thu 4/812:15 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Icelandair logo]()
$403
This Thrive Travel deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Tue 12/111:30 am -
Nonstop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/195:55 am -
2 stops39h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/127:00 am -
3 stops38h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$409
Find flight deals from Dublin to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to O'Hare Intl (ORD). 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 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $513 (Gotogate) |
One-way from | $388 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $708 |
Good round-trip deal | $679 or less |
Good one-way deal | $522 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dublin to O'Hare Intl 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 24, 2026.
Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport 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
Mon 12/14
5:45 am-6:45 pm
2 stops19h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$391
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Thu 1/28
5:45 am-4:49 pm
2 stops17h 04m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$397
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Thu 12/17
8:50 am-3:30 pm
2 stops36h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$424
Quickest round-trip
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Mon 3/22
5:45 am-4:37 pm
2 stops15h 52m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$430
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Thu 4/8
8:55 am-8:37 pm
2 stops17h 42m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$440
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Wed 3/24
8:50 am-9:33 pm
2 stops17h 43m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$451
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Tue 3/23
8:50 am-9:33 pm
2 stops17h 43m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$451
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Thu 11/5
4:25 am-3:30 pm
1 stop17h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$456
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Sat 12/12
4:55 pm-3:30 pm
1 stop28h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$456
DublinChicago
DUB Dublin - ORD Chicago O'Hare Intl
DUBORD
Dublin
Thu 2/18
11:30 am-5:20 pm
1 stop11h 50m
Chicago O'Hare Intl
Tue 2/23
6:30 pm-10:15 am
1 stop9h 45m
$560
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Dublin to O'Hare Intl
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 Dublin to O'Hare Intl 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*2 stars |
- Most accurate provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport 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 Dublin-Chicago O'Hare Intl Airport 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 Dublin to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dublin with our price prediction graph.
DUB-ORD
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 Dublin to Chicago O'Hare Intl Airport
Prices
Delays
How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Dublin to Chicago O'Hare Intl Airport, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $557). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $847). 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 DUB to ORD?
Find hourly flight availability from Dublin to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2026.
When flying from Dublin to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Dublin to Chicago delayed?
About 10% of weekly flights between Dublin and Chicago have experienced delays in the past year, with the average delay time being 165 minutes.
What is the most punctual flight time for Dublin 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?
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to Chicago flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 8% of flights being delayed.
The best insider tips for Dublin to Chicago O'Hare Intl Airport 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 Dublin to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 24, 2026.
Get a feel of what it's like to fly with Aer Lingus and United Airlines from Dublin to Chicago O'Hare Intl Airport 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
Crew
8.1
Boarding
7.5
Entertainment
7.0
Overall
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
Comfort
7.2
Crew
8.1
Boarding
7.5
Entertainment
7.0
Overall
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
Comfort
7.2
Crew
8.1
Boarding
7.5
Entertainment
7.0
Overall
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
Related info for your journey
Find useful and relevant information for your journey from Dublin to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Libertyville
Rockford
Hoffman Estates
Beloit
Gurnee
Orland Park
South Holland
Elgin
Racine
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Other flights to O'Hare Intl
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Dublin and O'Hare Intl flights
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Top 2 airlines flying from Dublin to O'Hare Intl
Discover the top 2 airlines that operate flights from Dublin to O'Hare Intl. 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$468 | Average$673 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$795 | FlexibilityNo cancel fee | On-time69% |