$416+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ireland 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.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 June 12, 2025.
Round-trip from | $462 (United Airlines) |
|---|---|
One-way from | $416 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $657 |
Good round-trip deal | $702 or less |
Good one-way deal | $531 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 June 12, 2025.
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 June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Billigflug deal was found by Cheapflights users on 6/9. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
This Bravofly deal was found by Cheapflights users on 6/11. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Icelandair deal was found by Cheapflights users on 6/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 June 12, 2025.
Use the filters below to find and compare flights from Ireland to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ShannonChicago
SNN - ORD
SNNORD
Shannon
Fri 9/5
9:30 am-11:45 am
Nonstop8h 15m
Chicago O'Hare Intl
Mon 9/15
6:00 pm-7:30 am
Nonstop7h 30m
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 7/15
9:30 am-8:45 am
1 stop29h 15m
Chicago O'Hare Intl
Tue 7/22
10:30 pm-5:05 pm
1 stop12h 35m
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 10/29
11:30 am-5:45 pm
2 stops35h 15m
Chicago O'Hare Intl
Tue 11/4
11:00 am-11:45 am
2 stops18h 45m
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 8/30
5:55 am-3:04 pm
2 stops15h 09m
Chicago O'Hare Intl
Wed 9/3
6:20 pm-3:00 pm
2 stops14h 40m
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 9/13
5:55 am-1:20 pm
2 stops37h 25m
Chicago O'Hare Intl
Sat 9/27
4:20 pm-4:55 pm
2 stops42h 35m
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 8/12
9:20 am-2:55 pm
1 stop11h 35m
Chicago O'Hare Intl
Sat 9/27
8:20 pm-9:45 am
Nonstop7h 25m
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 10/29
8:30 pm-9:25 pm
2 stops29h 55m
Chicago O'Hare Intl
Mon 11/3
6:54 pm-7:35 pm
2 stops18h 41m
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 10/13
7:30 am-1:50 pm
1 stop12h 20m
Chicago O'Hare Intl
Sun 10/19
9:15 pm-10:40 am
Nonstop7h 25m
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 7/24
9:30 am-9:29 pm
2 stops17h 59m
Chicago O'Hare Intl
Tue 8/19
7:10 pm-5:05 pm
1 stop15h 55m
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 8/11
8:55 am-2:10 pm
1 stop11h 15m
Chicago O'Hare Intl
Tue 9/30
4:20 pm-10:25 am
1 stop12h 05m
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.
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, August is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of $245). Flying from Ireland to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 June 12, 2025.
A simple way to save on the total cost of your ticket is to fly from Ireland to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at noon.
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 June 12, 2025.
The most flights from IE0 to ORD are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Ireland to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
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.
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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 2 airlines flying from Ireland to O'Hare Intl
Discover the top 2 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$408 | Average$579 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$667 | Average$775 | FlexibilityNo cancel fee | On-time69% |