Cheap flights from Dublin to Chicago O'Hare Intl Airport from £354
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
11 Jan — 18 Jan1
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 31 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Dublin to O'Hare Intl
Enter your travel dates to find the best prices.
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 12 December 2025.
Mon 22/1207:35DUB - ORD
1 stop13h 50mBritish Airways
Wed 31/1220:40ORD - DUB
1 stop10h 55mBritish Airways
Deal found 10/12£469
Fri 26/1211:30DUB - ORD
1 stop12h 00mMultiple Airlines
Thu 1/113:15ORD - DUB
1 stop11h 55mMultiple Airlines
Deal found 10/12£473
Sun 28/1219:05DUB - ORD
1 stop27h 40mScandinavian Airlines
Mon 19/119:20ORD - DUB
1 stop34h 25mScandinavian Airlines
Deal found 10/12£478
Tue 23/1211:30DUB - ORD
1 stop12h 00mMultiple Airlines
Wed 31/1214:50ORD - DUB
1 stop11h 50mMultiple Airlines
Deal found 10/12£488
Fri 19/1205:55DUB - ORD
1 stop14h 25mDelta
Mon 29/1205:30ORD - DUB
1 stop20h 15mDelta
Deal found 10/12£500
Tue 23/1209:45DUB - ORD
1 stop14h 02mDelta
Wed 31/1218:02ORD - DUB
2 stops15h 43mDelta
Deal found 10/12£509
Sat 13/1208:50DUB - ORD
1 stop11h 30mKLM
Sun 14/1215:50ORD - DUB
1 stop11h 30mKLM
Deal found 10/12£517
Sat 13/1209:00DUB - ORD
1 stop12h 10mUnited Airlines
Sun 14/1214:24ORD - DUB
2 stops13h 56mUnited Airlines
Deal found 10/12£518
Fri 26/1208:50DUB - ORD
2 stops17h 46mDelta
Thu 1/117:20ORD - DUB
1 stop16h 25mDelta
Deal found 10/12£530
Sat 13/1208:50DUB - ORD
1 stop11h 30mDelta
Mon 15/1209:49ORD - DUB
1 stop15h 56mDelta
Deal found 10/12£535
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 12 December 2025.
Thu 22/111:30DUB - ORD
2 stops35h 15mScandinavian Airlines
Mon 26/119:20ORD - DUB
2 stops33h 25mScandinavian Airlines
Deal found 11/12£354
Tue 3/211:30DUB - ORD
1 stop11h 50mIcelandair
Tue 10/218:30ORD - DUB
1 stop9h 45mIcelandair
Deal found 11/12£401
Sun 1/305:55DUB - ORD
2 stops16h 46mDelta
Wed 11/317:50ORD - DUB
2 stops13h 50mDelta
Deal found 10/12£437
Wed 6/510:40DUB - ORD
1 stop14h 46mJetBlue
Thu 14/510:35ORD - DUB
1 stop16h 25mJetBlue
Deal found 11/12£438
Sat 24/110:10DUB - ORD
1 stop12h 35mScandinavian Airlines
Mon 26/107:01ORD - DUB
2 stops22h 44mScandinavian Airlines
Deal found 11/12£410
Fri 1/512:15DUB - ORD
1 stop12h 00mIcelandair
Thu 14/519:25ORD - DUB
1 stop9h 40mIcelandair
Deal found 11/12£441
Tue 3/211:30DUB - ORD
2 stops35h 15mScandinavian Airlines
Tue 10/210:29ORD - DUB
2 stops25h 51mScandinavian Airlines
Deal found 10/12£413
Fri 1/512:15DUB - ORD
1 stop15h 25mIcelandair
Sat 9/519:25ORD - DUB
1 stop9h 40mIcelandair
Deal found 11/12£441
Fri 1/512:15DUB - ORD
1 stop15h 25mIcelandair
Tue 12/519:25ORD - DUB
1 stop9h 40mIcelandair
Deal found 11/12£441
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 12 December 2025.
Sat 24/110:40DUB - ORD
Nonstop8h 50mMultiple Airlines
Sat 31/118:35ORD - DUB
Nonstop7h 35mMultiple Airlines
Deal found 10/12£447
Thu 12/210:40DUB - ORD
Nonstop8h 50mMultiple Airlines
Thu 26/218:35ORD - DUB
Nonstop7h 35mMultiple Airlines
Deal found 11/12£448
Thu 5/210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Mon 9/218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 9/12£464
Sat 24/110:40DUB - ORD
Nonstop8h 50mUnited Airlines
Mon 26/118:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 9/12£465
Sun 22/210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Wed 4/318:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 10/12£494
Mon 12/110:40DUB - ORD
Nonstop8h 50mUnited Airlines
Sun 18/118:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 10/12£508
Tue 31/311:35DUB - ORD
Nonstop8h 05mMultiple Airlines
Tue 7/420:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 11/12£535
Thu 2/411:35DUB - ORD
Nonstop8h 05mMultiple Airlines
Fri 10/420:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 10/12£543
Wed 1/411:35DUB - ORD
Nonstop8h 05mLufthansa
Wed 8/420:15ORD - DUB
Nonstop7h 30mLufthansa
Deal found 11/12£548
Tue 23/1210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Wed 31/1218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 10/12£551
Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated 12 December 2025 and is based on user searches.
Fri 9/112:30DUB - ORD
1 stop34h 15mScandinavian Airlines
Sat 17/119:20ORD - DUB
1 stop34h 25mScandinavian Airlines
Deal found 10/12£440
Thu 22/111:30DUB - ORD
2 stops35h 15mScandinavian Airlines
Mon 26/119:20ORD - DUB
2 stops33h 25mScandinavian Airlines
Deal found 11/12£354
Sat 24/110:10DUB - ORD
1 stop12h 35mScandinavian Airlines
Mon 26/107:01ORD - DUB
2 stops22h 44mScandinavian Airlines
Deal found 9/12£407
Sat 24/108:50DUB - ORD
2 stops18h 15mDelta
Sat 31/110:24ORD - DUB
2 stops15h 36mDelta
Deal found 10/12£433
Sat 24/105:10DUB - ORD
1 stop16h 10mMultiple Airlines
Sat 31/118:35ORD - DUB
Nonstop7h 35mMultiple Airlines
Deal found 10/12£443
Sat 24/113:25DUB - ORD
2 stops16h 31mKLM
Sat 31/117:35ORD - DUB
2 stops13h 05mKLM
Deal found 10/12£444
Mon 26/119:05DUB - ORD
2 stops32h 30mScandinavian Airlines
Sun 1/219:10ORD - DUB
1 stop17h 10mScandinavian Airlines
Deal found 10/12£425
Mon 26/105:55DUB - ORD
1 stop14h 25mMultiple Airlines
Sun 1/217:20ORD - DUB
1 stop16h 25mMultiple Airlines
Deal found 10/12£429
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 12 December 2025.
Mon 30/307:30DUB - ORD
1 stop13h 10mBritish Airways
Deal found 11/12£368
Mon 12/111:30DUB - ORD
1 stop11h 50mIcelandair
Deal found 10/12£387
Thu 8/111:30DUB - ORD
1 stop11h 50mIcelandair
Deal found 11/12£426
Fri 26/1216:30DUB - ORD
1 stop23h 35mTurkish Airlines
Deal found 11/12£478
Wed 7/120:40DUB - ORD
1 stop24h 45mBritish Airways
Deal found 10/12£508
Sun 4/120:40DUB - ORD
1 stop24h 45mBritish Airways
Deal found 11/12£659
Mon 5/108:45DUB - ORD
1 stop14h 15mBritish Airways
Deal found 10/12£660
Tue 6/118:30DUB - ORD
2 stops31h 19mBritish Airways
Deal found 10/12£663
Fri 2/106:40DUB - ORD
2 stops17h 16mBritish Airways
Deal found 11/12£667
Sat 3/107:35DUB - ORD
2 stops16h 16mBritish Airways
Deal found 11/12£795
Sun 21/1210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Deal found 11/12£887
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 12 December 2025.
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 12 December 2025.
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
Thu 22/1
11:30-16:45
2 stops35h 15m
Chicago O'Hare Intl
Mon 26/1
19:20-10:45
2 stops33h 25m
£354
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 3/2
11:30-17:20
1 stop11h 50m
Chicago O'Hare Intl
Tue 10/2
18:30-10:15
1 stop9h 45m
£401
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 24/1
10:10-16:45
1 stop12h 35m
Chicago O'Hare Intl
Mon 26/1
07:01-11:45
2 stops22h 44m
£410
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 3/2
11:30-16:45
2 stops35h 15m
Chicago O'Hare Intl
Tue 10/2
10:29-18:20
2 stops25h 51m
£413
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 1/3
05:55-16:41
2 stops16h 46m
Chicago O'Hare Intl
Wed 11/3
17:50-12:40
2 stops13h 50m
£437
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 6/5
10:40-19:26
1 stop14h 46m
Chicago O'Hare Intl
Thu 14/5
10:35-09:00
1 stop16h 25m
£438
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 1/5
12:15-18:15
1 stop12h 00m
Chicago O'Hare Intl
Thu 14/5
19:25-11:05
1 stop9h 40m
£441
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 1/5
12:15-21:40
1 stop15h 25m
Chicago O'Hare Intl
Sat 9/5
19:25-11:05
1 stop9h 40m
£441
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 1/5
12:15-21:40
1 stop15h 25m
Chicago O'Hare Intl
Tue 12/5
19:25-11:05
1 stop9h 40m
£441
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 30/3
07:30-14:40
1 stop13h 10m
£368
Flights are sorted by cheapest return flights first.
Deals found on 11/12
Showing 1-10 of 17 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.
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 5 December 2025.
The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 31 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, February is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £286). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £475). 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 12 December 2025.
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.
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 12 December 2025.
The most flights from DUB to ORD are scheduled on a Wednesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Dublin to Chicago delayed?
About 12% of weekly flights between Dublin 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 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?
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 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.
Reykjavik (KEF) – chosen by Cheapflights users on 25% 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 £327.
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 Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 2h 01m.
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 12 December 2025.
See what other customers who have flown with Finnair, United Airlines, andAer Lingus 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.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
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 11 daily outbound flights to Chicago O'Hare Intl from 6 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 11h 50m. Scandinavian Airlines provides one of the quickest options available for as low as £401. The distance between Dublin and Chicago O'Hare Intl Airport is about 3661 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?
Currently priced at £241, 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 Finnair - these airlines can fly you to your destination from £300 and £316, respectively. Icelandair is 46% 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: Alaska Airlines (80%), Finnair (80%), Iberia( 79%).
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 £816, our data indicates the cheapest price to be £350. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £464.
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, February is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £286). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £475). 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 12 December 2025.
Discover the top 6 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 12 December 2025.
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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