Cheap flights from Dublin to Chicago O'Hare Intl Airport from £241
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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
27 Apr — 4 May1
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 67 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Dublin to O'Hare Intl
Enter your travel dates to find the best prices.
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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 28 March 2026.
Thu 14/519:05
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Thu 28/519:15
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 24/3£377
Thu 12/1111:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Mon 16/1118:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 27/3£387
Tue 3/1111:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Thu 19/1118:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 24/3£389
Thu 5/1111:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Mon 9/1118:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 24/3£390
Thu 5/1111:15
DUB
-
ORD
2 stops35h 30m
Scandinavian Airlines
Mon 9/1119:20
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 23/3£411
Thu 5/1111:30
DUB
-
ORD
1 stop11h 50m
Icelandair
Mon 23/1118:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 24/3£413
Wed 15/412:15
DUB
-
ORD
1 stop12h 00m
Icelandair
Sun 19/419:25
ORD
-
DUB
1 stop11h 50m
Icelandair
Deal found 26/3£420
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 28 March 2026.
Wed 27/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Sun 7/622:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 27/3£475
Thu 14/518:20
DUB
-
ORD
2 stops27h 50m
Scandinavian Airlines
Thu 28/507:00
ORD
-
DUB
2 stops22h 50m
Scandinavian Airlines
Deal found 24/3£486
Wed 27/519:45
DUB
-
ORD
1 stop26h 10m
British Airways
Sun 7/622:20
ORD
-
DUB
Nonstop7h 30m
British Airways
Deal found 26/3£488
Fri 8/505:55
DUB
-
ORD
1 stop14h 20m
Delta
Tue 12/519:00
ORD
-
DUB
2 stops15h 40m
Delta
Deal found 28/3£497
Wed 27/508:35
DUB
-
ORD
1 stop15h 00m
Multiple Airlines
Sun 7/622:20
ORD
-
DUB
Nonstop7h 30m
Multiple Airlines
Deal found 25/3£501
Sat 6/608:55
DUB
-
ORD
1 stop11h 20m
Delta
Sat 13/611:15
ORD
-
DUB
1 stop16h 45m
Delta
Deal found 27/3£497
Wed 27/511:40
DUB
-
ORD
2 stops34h 30m
Scandinavian Airlines
Sun 7/619:15
ORD
-
DUB
2 stops32h 55m
Scandinavian Airlines
Deal found 24/3£527
Sat 13/605:55
DUB
-
ORD
2 stops16h 35m
Delta
Sat 27/608:36
ORD
-
DUB
1 stop17h 19m
Delta
Deal found 26/3£502
Wed 27/508:55
DUB
-
ORD
1 stop11h 35m
Delta
Sun 7/615:15
ORD
-
DUB
1 stop13h 30m
Delta
Deal found 27/3£510
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 28 March 2026.
Thu 23/416:45
DUB
-
ORD
Nonstop8h 30m
Aer Lingus
Thu 30/415:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£468
Sun 10/516:45
DUB
-
ORD
Nonstop8h 30m
Aer Lingus
Sun 17/515:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£472
Wed 27/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Sun 7/622:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 28/3£474
Wed 15/416:45
DUB
-
ORD
Nonstop8h 30m
Aer Lingus
Mon 20/415:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£475
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 28/3£476
Fri 8/511:35
DUB
-
ORD
Nonstop8h 25m
Aer Lingus
Tue 12/515:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 28/3£480
Fri 12/611:35
DUB
-
ORD
Nonstop8h 25m
Aer Lingus
Mon 22/615:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 28/3£483
Tue 9/609:30
DUB
-
ORD
Nonstop8h 00m
Iberia
Thu 18/622:20
ORD
-
DUB
Nonstop7h 30m
Iberia
Deal found 24/3£488
Wed 13/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 26/522:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 28/3£492
Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated 28 March 2026 and is based on user searches.
Thu 9/411:35
DUB
-
ORD
Nonstop8h 25m
Aer Lingus
Sun 12/415:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£477
Wed 15/412:15
DUB
-
ORD
1 stop12h 00m
Icelandair
Mon 20/419:25
ORD
-
DUB
1 stop11h 50m
Icelandair
Deal found 26/3£420
Wed 15/417:30
DUB
-
ORD
2 stops30h 45m
Multiple Airlines
Mon 20/419:25
ORD
-
DUB
2 stops23h 10m
Multiple Airlines
Deal found 26/3£447
Wed 15/416:45
DUB
-
ORD
Nonstop8h 30m
Aer Lingus
Mon 20/415:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£475
Wed 22/412:15
DUB
-
ORD
1 stop12h 00m
Icelandair
Sun 26/419:25
ORD
-
DUB
1 stop11h 50m
Icelandair
Deal found 28/3£437
Thu 23/410:40
DUB
-
ORD
1 stop16h 59m
JetBlue
Thu 30/408:31
ORD
-
DUB
1 stop18h 29m
JetBlue
Deal found 26/3£434
Thu 23/416:45
DUB
-
ORD
Nonstop8h 30m
Aer Lingus
Thu 30/415:45
ORD
-
DUB
Nonstop7h 25m
Aer Lingus
Deal found 26/3£468
Fri 24/412:15
DUB
-
ORD
1 stop15h 10m
Icelandair
Fri 1/522:25
ORD
-
DUB
1 stop30h 40m
Icelandair
Deal found 25/3£432
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 28 March 2026.
Wed 22/410:40
DUB
-
ORD
1 stop16h 59m
JetBlue
Deal found 27/3£241
Wed 27/510:40
DUB
-
ORD
1 stop14h 55m
JetBlue
Deal found 26/3£242
Tue 28/413:00
DUB
-
ORD
2 stops26h 10m
Multiple Airlines
Deal found 25/3£254
Wed 29/410:40
DUB
-
ORD
1 stop16h 56m
JetBlue
Deal found 28/3£300
Sat 23/511:30
DUB
-
ORD
1 stop17h 26m
JetBlue
Deal found 26/3£301
Fri 24/418:50
DUB
-
ORD
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 28/3£351
Tue 21/418:50
DUB
-
ORD
1 stop27h 10m
TAP AIR PORTUGAL
Deal found 27/3£352
Tue 28/410:40
DUB
-
ORD
1 stop16h 59m
JetBlue
Deal found 28/3£370
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 28 March 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 28 March 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
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
09:30-11:30
Nonstop8h 00m
Chicago O'Hare Intl
Sun 7/6
22:20-11:50
Nonstop7h 30m
£475
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 14/5
18:20-16:10
2 stops27h 50m
Chicago O'Hare Intl
Thu 28/5
07:00-11:50
2 stops22h 50m
£486
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
19:45-15:55
1 stop26h 10m
Chicago O'Hare Intl
Sun 7/6
22:20-11:50
Nonstop7h 30m
£488
DublinChicago
DUB - ORD
DUBORD
Dublin
Fri 8/5
05:55-14:15
1 stop14h 20m
Chicago O'Hare Intl
Tue 12/5
19:00-16:40
2 stops15h 40m
£497
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 6/6
08:55-14:15
1 stop11h 20m
Chicago O'Hare Intl
Sat 13/6
11:15-10:00
1 stop16h 45m
£497
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
08:35-17:35
1 stop15h 00m
Chicago O'Hare Intl
Sun 7/6
22:20-11:50
Nonstop7h 30m
£501
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 13/6
05:55-16:30
2 stops16h 35m
Chicago O'Hare Intl
Sat 27/6
08:36-07:55
1 stop17h 19m
£502
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
08:55-14:30
1 stop11h 35m
Chicago O'Hare Intl
Sun 7/6
15:15-10:45
1 stop13h 30m
£510
DublinChicago
DUB - ORD
DUBORD
Dublin
Wed 27/5
11:40-16:10
2 stops34h 30m
Chicago O'Hare Intl
Sun 7/6
19:15-10:10
2 stops32h 55m
£527
Cheapest one-way
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 7/5
10:40-20:53
1 stop16h 13m
£241
Flights are sorted by cheapest return flights first.
Deals found on 27/3
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
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
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 13 March 2026.
The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 67 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 £311). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £480). 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 28 March 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?
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 137 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.
Reykjavik (KEF) – chosen by Cheapflights users on 35% 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 £308.
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 56m.
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 28 March 2026.
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.
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 3 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 12h. Scandinavian Airlines provides one of the quickest options available for as low as £420. 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 £301, 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 Finnair and Aer Lingus - these airlines can fly you to your destination from £327 and £348, respectively. Icelandair is 37% 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: Air Canada (88%), Austrian Airlines (88%), Brussels Airlines( 88%).
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 £1,024, our data indicates the cheapest price to be £368. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £432.
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 £311). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £480). 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 28 March 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 28 March 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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