$348+ Cheap flights from Ireland to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
feb. 14 — feb. 211
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to O'Hare Intl
Keep the following information in mind while searching for Ireland to O'Hare Intl flight deals. Data was last updated enero 15, 2026.
Round-trip from | $429 (Finnair) |
|---|---|
One-way from | $348 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $590 |
Good round-trip deal | $698 or less |
Good one-way deal | $563 or less |
Find flight deals from Ireland to O'Hare Intl
Cheapest flights from Ireland to O'Hare IntlExplore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.
Explore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.
This Finnair deal was found by Cheapflights users on 1/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/159:30 am
DUB
- ORD
Nonstop8h 00m
Multiple Airlines
lun. 5/2510:20 pm
ORD
- DUB
1 stop14h 20m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$429
This Finnair deal was found by Cheapflights users on 1/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/39:30 am
DUB
- ORD
Nonstop8h 00m
Multiple Airlines
mar. 9/2210:35 pm
ORD
- DUB
1 stop12h 30m
Multiple Airlines
Deal found 1/12![Multiple Airlines logo]()
$430
This Finnair deal was found by Cheapflights users on 1/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/159:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
lun. 5/2510:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 1/13![Finnair logo]()
$437
This Finnair deal was found by Cheapflights users on 1/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/139:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
mar. 5/2610:25 pm
ORD
- DUB
Nonstop7h 25m
Finnair
Deal found 1/13![Finnair logo]()
$438
This Finnair deal was found by Cheapflights users on 1/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/308:35 am
DUB
- ORD
1 stop15h 00m
Multiple Airlines
lun. 5/45:00 pm
ORD
- DUB
1 stop10h 40m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$439
This SmartFares deal was found by Cheapflights users on 1/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/1410:10 am
DUB
- ORD
1 stop12h 35m
Scandinavian Airlines
lun. 2/237:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/13![Scandinavian Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
jue. 2/267:05 pm
DUB
- ORD
1 stop27h 40m
Scandinavian Airlines
lun. 3/98:20 pm
ORD
- DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/14![Scandinavian Airlines logo]()
$441
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/166:50 pm
DUB
- ORD
1 stop27h 10m
TAP AIR PORTUGAL
mié. 4/226:00 pm
ORD
- DUB
1 stop24h 05m
TAP AIR PORTUGAL
Deal found 1/13![TAP AIR PORTUGAL logo]()
$444
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/138:35 am
DUB
- ORD
1 stop15h 00m
Multiple Airlines
mar. 5/2610:25 pm
ORD
- DUB
Nonstop7h 25m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$446
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/299:30 am
DUB
- ORD
1 stop16h 25m
Multiple Airlines
lun. 5/410:20 pm
ORD
- DUB
1 stop14h 20m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$448
This KLM deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” 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.
vie. 1/236:00 am
ORK
- ORD
1 stop14h 20m
KLM
jue. 1/295:20 pm
ORD
- ORK
1 stop15h 25m
KLM
Deal found 1/15![KLM logo]()
$529
This KLM deal was found by Cheapflights users on 1/13. 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.
vie. 1/236:00 am
ORK
- ORD
1 stop14h 20m
Multiple Airlines
jue. 1/295:35 pm
ORD
- ORK
2 stops15h 10m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$530
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland 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 2,558,603 searches. Data last updated enero 15, 2026.
Use the filters below to find and compare flights from Ireland to Chicago O'Hare Intl Airport that are best for you.
Fly from
Ireland
Fly to
O'Hare Intl
Route
Depart
Return
Price
DublinChicago
DUB - ORD
DUBORD
Dublin
vie. 5/15
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
lun. 5/25
10:20 pm-6:40 pm
1 stop14h 20m
$429
DublinChicago
DUB - ORD
DUBORD
Dublin
vie. 5/15
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
lun. 5/25
10:25 pm-11:50 am
Nonstop7h 25m
$437
DublinChicago
DUB - ORD
DUBORD
Dublin
mié. 5/13
8:35 am-6:15 pm
1 stop15h 40m
Chicago O'Hare Intl
mar. 5/26
10:25 pm-11:50 am
Nonstop7h 25m
$447
DublinChicago
DUB - ORD
DUBORD
Dublin
mié. 4/29
9:30 am-7:55 pm
1 stop16h 25m
Chicago O'Hare Intl
lun. 5/4
5:00 pm-12:00 pm
1 stop13h 00m
$449
DublinChicago
DUB - ORD
DUBORD
Dublin
mar. 3/31
10:30 am-6:15 pm
1 stop13h 45m
Chicago O'Hare Intl
mar. 4/7
10:35 pm-6:50 pm
1 stop14h 15m
$462
DublinChicago
DUB - ORD
DUBORD
Dublin
dom. 3/1
7:05 pm-4:45 pm
1 stop27h 40m
Chicago O'Hare Intl
mié. 3/11
8:20 pm-6:20 pm
1 stop17h 00m
$468
DublinChicago
DUB - ORD
DUBORD
Dublin
jue. 2/5
11:15 am-4:45 pm
2 stops35h 30m
Chicago O'Hare Intl
lun. 2/9
7:20 pm-6:20 pm
1 stop17h 00m
$483
DublinChicago
DUB - ORD
DUBORD
Dublin
jue. 5/14
9:30 am-11:30 am
Nonstop8h 00m
Chicago O'Hare Intl
vie. 5/22
10:25 pm-11:50 am
Nonstop7h 25m
$491
DublinChicago
DUB - ORD
DUBORD
Dublin
jue. 3/12
11:30 am-5:55 pm
2 stops35h 25m
Chicago O'Hare Intl
mié. 3/18
8:20 pm-10:45 am
2 stops33h 25m
$498
DublinChicago
DUB - ORD
DUBORD
Dublin
jue. 4/2
9:45 am-5:50 pm
1 stop14h 05m
Chicago O'Hare Intl
lun. 4/6
10:25 pm-6:40 pm
1 stop14h 15m
$503
Showing 1-10 of 37 results
Best time to book a flight from Ireland to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Chicago O'Hare Intl Airport
What is the cheapest month to book a flight from Ireland to Chicago O'Hare Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of $400). Flying from Ireland to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $636). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IE to ORD?
Find hourly flight availability from Ireland 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 enero 15, 2026.
When flying from Ireland 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.
Weekly flight availability from Ireland to Chicago O'Hare Intl Airport
Explore weekly flight availability from Ireland to O'Hare Intl. 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 enero 15, 2026.
The most flights from IE0 to ORD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
How often are flights from Ireland to Chicago delayed?
About 12% of weekly flights between Ireland and Chicago have experienced delays in the past year, with the average delay time being 140 minutes.
What is the most punctual flight time for Ireland to Chicago flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ireland to Chicago flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 7% of flights being delayed.
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 enero 15, 2026.
See what other customers who have flown with United Airlines, Aer Lingus, and Lufthansa from Ireland to Chicago O'Hare Intl Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Ireland 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 locationsSchaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
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Alternative routes for Ireland to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Ireland to O'Hare Intl
Discover the top 3 airlines that operate flights from Ireland 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 2,558,603 searches. Data last updated enero 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$411 | Average$543 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$463 | Average$637 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$479 | Average$680 | FlexibilityNo cancel fee | On-time69% |