Cheap flights from Dublin to Chicago O'Hare Intl Airport from £293
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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
14 Dec — 21 Dec1
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
Find 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 14 November 2025.
Fri 21/1105:55DUB - ORD
1 stop14h 25mDelta
Thu 27/1107:00ORD - DUB
2 stops19h 00mDelta
Deal found 10/11£356
Tue 18/1117:15DUB - ORD
1 stop27h 05mMultiple Airlines
Mon 24/1117:20ORD - DUB
1 stop16h 25mMultiple Airlines
Deal found 11/11£358
Wed 19/1105:55DUB - ORD
1 stop14h 25mDelta
Tue 25/1110:46ORD - DUB
2 stops19h 54mDelta
Deal found 11/11£359
Tue 18/1105:55DUB - ORD
2 stops20h 34mDelta
Mon 24/1107:00ORD - DUB
2 stops18h 50mDelta
Deal found 11/11£360
Thu 20/1108:55DUB - ORD
1 stop12h 15mDelta
Wed 26/1106:45ORD - DUB
1 stop19h 00mDelta
Deal found 11/11£362
Fri 21/1105:55DUB - ORD
1 stop14h 25mDelta
Fri 28/1110:25ORD - DUB
2 stops15h 35mDelta
Deal found 11/11£369
Fri 21/1108:50DUB - ORD
1 stop11h 30mMultiple Airlines
Sat 6/1217:20ORD - DUB
1 stop23h 35mMultiple Airlines
Deal found 12/11£371
Sat 22/1105:55DUB - ORD
1 stop14h 25mDelta
Mon 1/1208:55ORD - DUB
2 stops17h 10mDelta
Deal found 11/11£372
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 14 November 2025.
Fri 13/205:10DUB - ORD
1 stop14h 00mLufthansa
Fri 27/218:35ORD - DUB
Nonstop7h 35mLufthansa
Deal found 11/11£349
Tue 31/308:35DUB - ORD
1 stop13h 20mBritish Airways
Tue 7/421:15ORD - DUB
1 stop11h 30mBritish Airways
Deal found 13/11£353
Sun 22/209:00DUB - ORD
1 stop12h 10mUnited Airlines
Wed 4/318:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 11/11£360
Mon 30/309:40DUB - ORD
1 stop14h 10mMultiple Airlines
Tue 7/416:45ORD - DUB
1 stop11h 10mMultiple Airlines
Deal found 11/11£360
Sun 1/305:55DUB - ORD
2 stops16h 45mDelta
Wed 11/313:30ORD - DUB
1 stop14h 15mDelta
Deal found 11/11£361
Tue 24/305:00DUB - ORD
1 stop14h 10mLufthansa
Tue 31/320:15ORD - DUB
Nonstop7h 30mLufthansa
Deal found 11/11£349
Sun 22/208:45DUB - ORD
1 stop12h 25mDelta
Wed 4/314:11ORD - DUB
2 stops16h 29mDelta
Deal found 11/11£363
Thu 12/210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Thu 26/218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 11/11£364
Sun 1/310:40DUB - ORD
Nonstop8h 50mUnited Airlines
Wed 11/316:30ORD - DUB
1 stop12h 25mUnited Airlines
Deal found 11/11£364
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 14 November 2025.
Tue 24/310:40DUB - ORD
Nonstop8h 50mMultiple Airlines
Tue 31/320:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 11/11£353
Thu 12/210:40DUB - ORD
Nonstop8h 50mUnited Airlines
Thu 26/218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 11/11£364
Sun 1/310:40DUB - ORD
Nonstop8h 50mUnited Airlines
Wed 11/319:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 11/11£438
Mon 30/311:35DUB - ORD
Nonstop8h 05mMultiple Airlines
Tue 7/420:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 11/11£442
Tue 25/1110:40DUB - ORD
Nonstop8h 50mUnited Airlines
Sat 6/1218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 12/11£452
Mon 24/1110:40DUB - ORD
Nonstop8h 50mUnited Airlines
Tue 9/1218:35ORD - DUB
Nonstop7h 35mUnited Airlines
Deal found 12/11£453
Tue 31/311:35DUB - ORD
Nonstop8h 05mUnited Airlines
Tue 7/420:15ORD - DUB
Nonstop7h 30mUnited Airlines
Deal found 11/11£455
Sat 14/315:20DUB - ORD
Nonstop8h 35mAer Lingus
Thu 19/316:45ORD - DUB
Nonstop7h 25mAer Lingus
Deal found 13/11£513
Tue 31/311:35DUB - ORD
Nonstop8h 05mMultiple Airlines
Tue 7/420:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 12/11£527
Fri 27/310:40DUB - ORD
Nonstop8h 50mUnited Airlines
Tue 31/320:15ORD - DUB
Nonstop7h 30mUnited Airlines
Deal found 11/11£530
Wed 1/411:35DUB - ORD
Nonstop8h 05mLufthansa
Wed 8/420:15ORD - DUB
Nonstop7h 30mLufthansa
Deal found 13/11£536
Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated 14 November 2025 and is based on user searches.
Tue 18/1117:15DUB - ORD
1 stop27h 05mMultiple Airlines
Mon 24/1117:20ORD - DUB
1 stop16h 25mMultiple Airlines
Deal found 11/11£358
Tue 18/1105:55DUB - ORD
2 stops20h 34mDelta
Mon 24/1107:00ORD - DUB
2 stops18h 50mDelta
Deal found 11/11£360
Wed 19/1105:55DUB - ORD
1 stop14h 25mDelta
Tue 25/1110:46ORD - DUB
2 stops19h 54mDelta
Deal found 11/11£359
Thu 20/1108:50DUB - ORD
2 stops15h 36mDelta
Wed 26/1106:45ORD - DUB
1 stop19h 00mDelta
Deal found 11/11£362
Fri 21/1105:55DUB - ORD
1 stop14h 25mDelta
Thu 27/1107:00ORD - DUB
2 stops19h 00mDelta
Deal found 10/11£356
Fri 21/1105:55DUB - ORD
1 stop14h 25mDelta
Fri 28/1110:25ORD - DUB
2 stops15h 35mDelta
Deal found 11/11£369
Fri 21/1105:55DUB - ORD
1 stop14h 25mDelta
Fri 5/1210:36ORD - DUB
2 stops15h 14mDelta
Deal found 12/11£369
Fri 21/1108:50DUB - ORD
1 stop11h 30mMultiple Airlines
Sat 6/1217:20ORD - DUB
1 stop23h 35mMultiple Airlines
Deal found 12/11£371
Sat 22/1105:55DUB - ORD
1 stop14h 25mDelta
Mon 1/1208:55ORD - DUB
2 stops17h 10mDelta
Deal found 11/11£372
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 14 November 2025.
Tue 18/1116:55DUB - ORD
1 stop28h 05mTAP AIR PORTUGAL
Deal found 12/11£293
Sat 9/505:30DUB - ORD
1 stop16h 45mTAP AIR PORTUGAL
Deal found 12/11£296
Wed 14/110:00DUB - ORD
1 stop14h 45mAer Lingus
Deal found 13/11£318
Fri 30/118:15DUB - ORD
1 stop25h 35mMultiple Airlines
Deal found 13/11£325
Thu 15/110:30DUB - ORD
1 stop14h 15mBritish Airways
Deal found 13/11£330
Sun 11/111:30DUB - ORD
1 stop13h 04mMultiple Airlines
Deal found 12/11£334
Mon 30/311:15DUB - ORD
1 stop13h 00mBritish Airways
Deal found 12/11£363
Wed 7/111:30DUB - ORD
1 stop11h 50mIcelandair
Deal found 10/11£372
Mon 8/1211:30DUB - ORD
1 stop11h 50mIcelandair
Deal found 11/11£374
Tue 6/113:00DUB - ORD
1 stop16h 44mMultiple Airlines
Deal found 11/11£474
Sun 4/119:45DUB - ORD
1 stop25h 40mBritish Airways
Deal found 11/11£505
Sat 20/1220:40DUB - ORD
1 stop24h 45mMultiple Airlines
Deal found 12/11£508
Cheap 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 14 November 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 14 November 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
Fri 13/2
05:10-13:10
1 stop14h 00m
Chicago O'Hare Intl
Fri 27/2
18:35-08:10
Nonstop7h 35m
£349
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 24/3
05:00-14:10
1 stop14h 10m
Chicago O'Hare Intl
Tue 31/3
20:15-09:45
Nonstop7h 30m
£349
DublinChicago
DUB - ORD
DUBORD
Dublin
Tue 31/3
08:35-15:55
1 stop13h 20m
Chicago O'Hare Intl
Tue 7/4
21:15-14:45
1 stop11h 30m
£353
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 22/2
09:00-15:10
1 stop12h 10m
Chicago O'Hare Intl
Wed 4/3
18:35-08:10
Nonstop7h 35m
£360
DublinChicago
DUB - ORD
DUBORD
Dublin
Mon 30/3
09:40-17:50
1 stop14h 10m
Chicago O'Hare Intl
Tue 7/4
16:45-09:55
1 stop11h 10m
£360
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 1/3
05:55-16:40
2 stops16h 45m
Chicago O'Hare Intl
Wed 11/3
13:30-08:45
1 stop14h 15m
£361
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 22/2
08:45-15:10
1 stop12h 25m
Chicago O'Hare Intl
Wed 4/3
14:11-12:40
2 stops16h 29m
£363
DublinChicago
DUB - ORD
DUBORD
Dublin
Thu 12/2
10:40-13:30
Nonstop8h 50m
Chicago O'Hare Intl
Thu 26/2
18:35-08:10
Nonstop7h 35m
£364
DublinChicago
DUB - ORD
DUBORD
Dublin
Sun 1/3
10:40-13:30
Nonstop8h 50m
Chicago O'Hare Intl
Wed 11/3
16:30-09:55
1 stop12h 25m
£364
DublinChicago
DUB - ORD
DUBORD
Dublin
Sat 10/1
16:55-14:45
1 stop27h 50m
£293
Flights are sorted by cheapest return flights first.
Deals found on 13/11
Showing 1-10 of 19 results
1
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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 7 November 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 £294). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £473). 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 14 November 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 14 November 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 15% of weekly flights between Dublin and Chicago have experienced delays in the past year, with the average delay time being 171 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, Etihad Airways have had the lowest number of delays on this route, with no flights being classified as 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 27% of one-stop itineraries from Dublin to Chicago O'Hare Intl Airport on Cheapflights.
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.
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 06m.
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 14 November 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 13h 20m. Lufthansa provides one of the quickest options available for as low as £353. 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 £246, 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 £305 and £322, 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: Air Canada (86%), Austrian Airlines (75%), Brussels Airlines( 75%).
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 £999, our data indicates the cheapest price to be £341. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £317.
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 £294). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £473). 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 14 November 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 14 November 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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