Cheap flights from Ireland to Chicago from £316
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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Chicago
Keep the following information in mind while searching for Ireland to Chicago flight deals. Data was last updated 11 July 2025.
Round-trip from | £389 |
---|---|
One-way from | £316 |
Popular in | July |
Cheapest in | November |
Average price | £542 |
Good round-trip deal | £472 or less |
Good one-way deal | £581 or less |
Find flight deals from Ireland to Chicago
Cheapest flights from Ireland to ChicagoExplore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Ireland to Chicago 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 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Ireland to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 29/8
12:20-16:10
2 stops33h 50m
Chicago O'Hare Intl
Sun 31/8
07:00-11:50
2 stops22h 50m
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 18/9
13:45-15:45
Nonstop8h 00m
Chicago O'Hare Intl
Thu 2/10
13:19-09:45
1 stop14h 26m
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 18/12
05:55-20:36
2 stops20h 41m
Chicago O'Hare Intl
Mon 5/1
17:45-15:40
2 stops15h 55m
DublinChicago
DUB - MDW
DUBMDW
Dublin
Wed 29/10
05:55-18:36
2 stops17h 41m
Chicago Midway
Mon 3/11
06:00-07:45
1 stop19h 45m
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 25/8
21:35-13:30
1 stop21h 55m
Chicago O'Hare Intl
Mon 1/9
22:25-11:40
Nonstop7h 15m
DublinChicago
DUB - MDW
DUBMDW
Dublin
Mon 1/9
12:00-17:37
1 stop11h 37m
Chicago Midway
Sun 7/9
18:17-10:00
1 stop9h 43m
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 4/12
09:20-20:05
1 stop16h 45m
Chicago O'Hare Intl
Thu 11/12
18:35-08:10
Nonstop7h 35m
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 29/8
11:35-14:00
Nonstop8h 25m
Chicago O'Hare Intl
Sun 31/8
21:15-10:40
Nonstop7h 25m
DublinChicago
DUB - MDW
DUBMDW
Dublin
Wed 3/12
09:45-16:23
1 stop12h 38m
Chicago Midway
Wed 10/12
10:35-07:45
1 stop15h 10m
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 1/12
09:00-17:28
1 stop14h 28m
Chicago O'Hare Intl
Mon 8/12
18:35-08:10
Nonstop7h 35m
Best time to book a flight from Ireland to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Chicago
What is the cheapest month to book a flight from Ireland to Chicago?
Currently, January is the cheapest month in which you can book a flight from Ireland to Chicago (average of £595). Flying from Ireland to Chicago in July is currently the most expensive (average of £843). 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 CHI?
Find hourly flight availability from Ireland to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
A simple way to save on the total cost of your ticket is to fly from Ireland to Chicago in the afternoon. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight at midday.
Weekly flight availability from Ireland to Chicago
Explore weekly flight availability from Ireland to Chicago. 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 11 July 2025.
The most flights from IE0 to CHI are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 11 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andFinnair from Ireland to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Related info for your journey
Find useful and relevant information for your journey from Ireland to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ireland to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Ireland to Chicago
Discover the top 7 airlines that operate flights from Ireland to Chicago. 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 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ireland to Chicago?
Cheapflights helps you search for flights from Ireland to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Chicago?
Cheapflights simply makes it quick and affordable to book flights from Ireland to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ireland to Chicago with no change fees?
Yes, we can. To see specific flights from Ireland to Chicago with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Ireland to Chicago become cheaper?
Not ready to book yet? You can track prices for flights from Ireland to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.