Cheap flights from Dublin to Chicago O'Hare Intl Airport from £260
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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
15 Mar — 22 Mar1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in November or September, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from Dublin to O'Hare Intl
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Cheapest flights from Dublin to O'Hare Intl
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 13 February 2026.
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 2/622:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£326
Wed 13/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 26/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 12/2£328
Tue 5/510:30
DUB
-
ORD
1 stop13h 05m
Multiple Airlines
Thu 14/522:25
ORD
-
DUB
Nonstop7h 25m
Multiple Airlines
Deal found 12/2£334
Tue 7/409:30
DUB
-
ORD
1 stop16h 27m
Multiple Airlines
Mon 13/422:30
ORD
-
DUB
1 stop15h 05m
Multiple Airlines
Deal found 11/2£336
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Multiple Airlines
Tue 2/621:15
ORD
-
DUB
1 stop11h 20m
Multiple Airlines
Deal found 10/2£337
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£343
Best flights from Dublin to O'Hare Intl
Discover carefully curated flight deals from Dublin to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 February 2026.
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Multiple Airlines
Tue 2/621:15
ORD
-
DUB
1 stop11h 20m
Multiple Airlines
Deal found 10/2£337
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 2/611:40
ORD
-
DUB
1 stop16h 05m
Finnair
Deal found 11/2£341
Thu 26/219:05
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Mon 2/319:20
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 9/2£367
Thu 26/211:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Mon 2/318:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 12/2£386
Wed 27/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Sun 7/622:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 11/2£345
Wed 13/508:35
DUB
-
ORD
1 stop12h 20m
Multiple Airlines
Tue 26/522:25
ORD
-
DUB
Nonstop7h 25m
Multiple Airlines
Deal found 11/2£373
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 12/2£346
Wed 22/409:30
DUB
-
ORD
1 stop16h 27m
Finnair
Sun 26/412:30
ORD
-
DUB
1 stop15h 15m
Finnair
Deal found 10/2£351
Direct flights from Dublin to O'Hare Intl
Explore direct flight options from Dublin to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 February 2026.
Fri 22/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 2/622:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£326
Wed 13/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 26/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 12/2£328
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£343
Wed 27/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Sun 7/622:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 11/2£345
Sat 16/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Thu 28/522:25
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 10/2£417
Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated 13 February 2026 and is based on user searches.
Thu 19/220:40
DUB
-
ORD
1 stop24h 45m
British Airways
Wed 25/220:35
ORD
-
DUB
1 stop29h 20m
British Airways
Deal found 11/2£403
Thu 26/219:05
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Mon 2/319:20
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 9/2£367
Thu 26/211:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Mon 2/318:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 12/2£386
Mon 16/305:55
DUB
-
ORD
1 stop14h 25m
Multiple Airlines
Mon 23/318:20
ORD
-
DUB
1 stop16h 25m
Multiple Airlines
Deal found 11/2£440
Mon 30/308:30
DUB
-
ORD
1 stop15h 05m
Multiple Airlines
Mon 6/411:45
ORD
-
DUB
1 stop16h 00m
Multiple Airlines
Deal found 12/2£412
One-way flights from Dublin to O'Hare Intl
Search for one-way flight options from Dublin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 13 February 2026.
Thu 14/514:15
DUB
-
ORD
1 stop10h 00m
Icelandair
Deal found 9/2£260
Sat 7/316:55
DUB
-
ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 10/2£304
Wed 27/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Deal found 10/2£307
Thu 14/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Deal found 9/2£308
Wed 6/508:35
DUB
-
ORD
1 stop12h 20m
Multiple Airlines
Deal found 11/2£315
Mon 6/409:30
DUB
-
ORD
1 stop16h 10m
Finnair
Deal found 12/2£353
Fri 19/609:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Deal found 9/2£355
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 13 February 2026.
Customise 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 858,174 searches. Data last updated 13 February 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
Dublin
Fly to
O'Hare Intl
Route
Depart
Return
Price
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 22/5
09:30-11:30
Nonstop8h 00m
Chicago O'Hare Intl
Tue 2/6
21:15-14:35
1 stop11h 20m
£337
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 22/5
09:30-11:30
Nonstop8h 00m
Chicago O'Hare Intl
Tue 2/6
11:40-09:45
1 stop16h 05m
£341
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
09:30-11:30
Nonstop8h 00m
Chicago O'Hare Intl
Sun 7/6
22:25-11:50
Nonstop7h 25m
£345
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 15/5
09:30-11:30
Nonstop8h 00m
Chicago O'Hare Intl
Mon 25/5
22:25-11:50
Nonstop7h 25m
£346
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 22/4
09:30-19:57
1 stop16h 27m
Chicago O'Hare Intl
Sun 26/4
12:30-09:45
1 stop15h 15m
£351
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 26/2
19:05-16:45
1 stop27h 40m
Chicago O'Hare Intl
Mon 2/3
19:20-18:20
1 stop17h 00m
£367
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 13/5
08:35-14:55
1 stop12h 20m
Chicago O'Hare Intl
Tue 26/5
22:25-11:50
Nonstop7h 25m
£373
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 26/2
11:30-17:20
1 stop11h 50m
Chicago O'Hare Intl
Mon 2/3
18:30-10:15
1 stop9h 45m
£386
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 14/5
14:15-18:15
1 stop10h 00m
£260
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 7/3
16:55-14:45
1 stop27h 50m
£304
Flights are sorted by cheapest return flights first.
Deals found on 9/2
Showing 1-10 of 13 results
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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 return 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
Airlines
Delays
More
How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a return flight from Dublin to O'Hare Intl. Price data was last updated on 6 February 2026.
The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £309). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £469). 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 13 February 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Chicago O'Hare Intl Airport as you normally would.
How much does it cost for a return flight from Dublin to Chicago O'Hare Intl Airport?
Weekly flight availability from Dublin to Chicago O'Hare Intl Airport
Explore weekly flight availability from Dublin 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 13 February 2026.
The most flights from DUB 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 Dublin to Chicago delayed?
About 13% of weekly flights between Dublin and Chicago have experienced delays in the past year, with the average delay time being 132 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 Tuesday 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 past year, Aer Lingus have had the lowest number of delays on this route, with just 7% of flights being delayed.
What’s the top stopover airport for flights from Dublin to Chicago O'Hare Intl Airport?
Share of one-stop return flights from Dublin to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Detroit (DTW) – chosen by Cheapflights users on 27% of one-stop itineraries from Dublin to Chicago O'Hare Intl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Dublin to Chicago O'Hare Intl Airport?
Average return fare for one-stop flights from Dublin to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £301.
What’s the fastest stopover option from Dublin to Chicago O'Hare Intl Airport?
Shortest average travel time for one-stop one-way flights from Dublin to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 11h 25m.
Which airport typically offers the quickest stopover for flights from Dublin to Chicago O'Hare Intl Airport?
Average stopover duration for one-stop one-way flights from Dublin to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 53m.
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 13 February 2026.
See what other customers who have flown with United Airlines, Aer Lingus, andIcelandair from Dublin to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
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.
What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?
Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Chicago O'Hare Intl from Dublin. Booking flights from Dublin (DUB) to Chicago O'Hare Intl should be relatively easy as there are 8 daily outbound flights to Chicago O'Hare Intl from 4 different airlines.
How long is the flight from Dublin to Chicago O'Hare Intl Airport?
A quick flight from Dublin to Chicago O'Hare Intl Airport can take about 8h. Finnair provides one of the quickest options available for as low as £341. The distance between Dublin and Chicago O'Hare Intl Airport is about 3661 mi. Generally, flights for this route are direct.
What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?
Currently priced at £293, Icelandair will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Aer Lingus - these airlines can fly you to your destination from £319 and £339, respectively. Icelandair is 36% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?
Before booking your flight to Chicago O'Hare Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (81%), Brussels Airlines (81%), United Airlines( 81%).
What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?
Looking for the cheapest flight from Dublin to Chicago O'Hare Intl Airport? While on average our users pay £901, our data indicates the cheapest price to be £252. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £448.
Can I find deals for business class flights from Dublin to O'Hare Intl?
Yes. Cheapflights offers flight deals from Dublin to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £309). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £469). 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.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 February 2026.
Discover the top 4 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 858,174 searches. Data last updated 13 February 2026.
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 Dublin to O'Hare Intl?
Deals for Dublin to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dublin to O'Hare Intl?
Cheapflights helps you find that perfect flight to O'Hare Intl from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?
Need flexible booking options for your flight to O'Hare Intl from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?
Yes! Start tracking prices for Dublin to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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