Cheap flights from Chicago O'Hare Intl Airport to Dublin from £231
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
16 Oct — 23 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in February or January, booked 65 days in advance, depart on a Friday or Tuesday and return on a Wednesday
Cheap flight deals from O'Hare Intl to Dublin
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from O'Hare Intl to Dublin
Explore the most affordable flight options available from O'Hare Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.
Sun 15/1121:41 -
1 stop30h 39m
Thu 26/1109:00 -
1 stop30h 23m
Deal found 16/9£393
Tue 10/1107:00 -
1 stop20h 55m
Thu 19/1109:00 -
1 stop32h 57m
Deal found 16/9£394
Sun 6/1218:30 -
Nonstop7h 40m
Tue 15/1209:00 -
1 stop16h 05m
Deal found 13/9£398
Tue 8/1218:30 -
Nonstop7h 40m
Tue 15/1209:00 -
1 stop12h 38m
Deal found 11/9£399
Mon 26/1019:35 -
Nonstop7h 35m
Wed 4/1110:40 -
Nonstop8h 40m
Deal found 15/9£400
Mon 2/1121:50 -
1 stop11h 35m
Thu 12/1113:05 -
1 stop11h 40m
Deal found 13/9£402
Wed 11/1117:47 -
1 stop10h 33m
Tue 17/1110:40 -
Nonstop8h 40m
Deal found 11/9£405
Mon 26/1010:30 -
1 stop17h 15m
Wed 4/1109:40 -
1 stop14h 07m
Deal found 11/9£406
Sun 25/1012:50 -
1 stop12h 20m
Wed 4/1110:40 -
Nonstop8h 40m
Deal found 16/9£407
Best flights from O'Hare Intl to Dublin
Discover carefully curated flight deals from O'Hare Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.
Tue 8/1206:17 -
1 stop21h 38m
Tue 15/1209:00 -
1 stop30h 08m
Deal found 11/9£394
Wed 3/317:10 -
1 stop10h 45m
Wed 17/313:05 -
1 stop11h 40m
Deal found 15/9£405
Sun 10/107:00 -
1 stop19h 45m
Thu 28/110:45 -
2 stops15h 52m
Deal found 12/9£465
Mon 18/118:30 -
Nonstop7h 40m
Tue 26/110:40 -
Nonstop8h 40m
Deal found 11/9£405
Wed 10/311:45 -
1 stop16h 10m
Tue 16/310:40 -
Nonstop8h 40m
Deal found 15/9£409
Wed 30/909:00 -
1 stop16h 30m
Tue 6/1009:50 -
1 stop11h 05m
Deal found 13/9£438
Mon 11/118:30 -
Nonstop7h 40m
Mon 18/109:00 -
1 stop33h 05m
Deal found 11/9£440
Tue 12/118:30 -
Nonstop7h 40m
Sun 31/110:40 -
Nonstop8h 40m
Deal found 12/9£442
Thu 29/1008:45 -
1 stop16h 25m
Thu 5/1110:40 -
Nonstop8h 40m
Deal found 14/9£445
Sun 25/1019:35 -
Nonstop7h 35m
Tue 3/1113:35 -
1 stop12h 39m
Deal found 13/9£461
Fri 8/118:30 -
Nonstop7h 40m
Wed 27/110:40 -
Nonstop8h 40m
Deal found 12/9£461
Direct flights from O'Hare Intl to Dublin
Explore direct flight options from O'Hare Intl to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.
Mon 26/1019:35 -
Nonstop7h 35m
Wed 4/1110:40 -
Nonstop8h 40m
Deal found 15/9£400
Tue 8/1218:30 -
Nonstop7h 40m
Tue 15/1210:40 -
Nonstop8h 40m
Deal found 11/9£401
Mon 18/118:30 -
Nonstop7h 40m
Tue 26/110:40 -
Nonstop8h 40m
Deal found 11/9£405
Sun 29/1120:05 -
Nonstop7h 25m
Tue 1/1215:50 -
Nonstop8h 30m
Deal found 15/9£429
Thu 29/1021:05 -
Nonstop7h 25m
Thu 5/1115:50 -
Nonstop8h 30m
Deal found 14/9£433
Tue 10/1118:30 -
Nonstop7h 40m
Tue 1/1210:40 -
Nonstop8h 40m
Deal found 15/9£434
Wed 30/920:20 -
Nonstop7h 25m
Wed 7/1011:35 -
Nonstop8h 05m
Deal found 11/9£438
Mon 2/1118:30 -
Nonstop7h 40m
Sat 14/1110:40 -
Nonstop8h 40m
Deal found 13/9£438
Fri 5/218:30 -
Nonstop7h 40m
Thu 11/210:40 -
Nonstop8h 40m
Deal found 16/9£442
Wed 4/1118:30 -
Nonstop7h 40m
Thu 12/1110:40 -
Nonstop8h 40m
Deal found 13/9£457
Wed 10/218:30 -
Nonstop7h 40m
Wed 17/210:40 -
Nonstop8h 40m
Deal found 13/9£461
Last-minute flights from O'Hare Intl to Dublin
Discover last-minute flight deals from O'Hare Intl to Dublin. Data last updated 16 September 2026 and is based on user searches.
Sun 25/1012:50 -
1 stop12h 20m
Wed 4/1110:40 -
Nonstop8h 40m
Deal found 16/9£407
Mon 26/1019:35 -
Nonstop7h 35m
Wed 4/1110:40 -
Nonstop8h 40m
Deal found 15/9£400
Mon 26/1010:30 -
1 stop17h 15m
Wed 4/1109:40 -
1 stop14h 07m
Deal found 11/9£406
Mon 26/1013:46 -
1 stop12h 24m
Wed 4/1109:00 -
1 stop12h 30m
Deal found 13/9£411
Tue 27/1019:35 -
Nonstop7h 35m
Tue 3/1109:30 -
1 stop18h 48m
Deal found 12/9£409
Sat 31/1020:40 -
1 stop29h 30m
Wed 18/1113:35 -
2 stops25h 25m
Deal found 11/9£418
One-way flights from O'Hare Intl to Dublin
Search for one-way flight options from O'Hare Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.
Mon 11/121:50 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£231
Sun 10/118:30 -
2 stops14h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£232
Sun 29/1118:30 -
2 stops21h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£234
Sun 10/121:50 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£234
Sun 13/1221:50 -
1 stop11h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£235
Tue 12/118:30 -
2 stops18h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£237
Sun 10/121:00 -
Nonstop7h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£240
Sun 13/1218:30 -
Nonstop7h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£241
Sat 9/119:25 -
2 stops19h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£243
Mon 15/311:15 -
2 stops15h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£244
Sat 9/121:20 -
1 stop28h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/9£245
Find flight deals from O'Hare Intl to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Dublin (DUB). 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 16 September 2026.
Customise your flight search to find flights from O'Hare Intl to Dublin 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 7,457,451 searches. Data last updated 16 September 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 10/1
21:50-19:45
1 stop15h 55m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£234
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 13/1
21:50-19:40
1 stop15h 50m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£234
Fastest return journey
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 11/1
18:30-08:10
Nonstop7h 40m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£241
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 15/3
11:15-07:30
2 stops15h 15m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£244
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 16/2
07:30-07:30
2 stops18h 00m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£244
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 5/1
10:30-09:00
2 stops16h 30m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£248
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sat 2/1
19:45-07:30
2 stops29h 45m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£248
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sat 16/1
21:41-07:30
2 stops27h 49m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£248
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 11/10
09:38-08:20
1 stop16h 42m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£262
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 19/10
09:38-08:20
1 stop16h 42m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£262
Flights are sorted by cheapest return flights first.
Deals found on 15/9
Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from O'Hare Intl with our price prediction graph.
ORD-DUB
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 Chicago O'Hare Intl Airport to Dublin
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Dublin?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Dublin, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Dublin?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £375). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £709). 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 ORD to DUB?
Find hourly flight availability from O'Hare Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2026.
When flying from Chicago O'Hare Intl Airport to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Chicago O'Hare Intl Airport to Dublin?
Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Dublin flights typically cost between £403 and £654 in January.The cheapest return price found within the last 5 days was £358 on Icelandair (11 Jan–28 Jan).
Weekly flight availability from Chicago O'Hare Intl Airport to Dublin
Explore weekly flight availability from O'Hare Intl to Dublin. 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 16 September 2026.
The most flights from ORD to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).
How often are flights from Chicago to Dublin delayed?
About 23% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for Chicago to Dublin flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Dublin flights?
Over the past year, American Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Dublin. 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 into for flights to Dublin from Chicago O'Hare Intl?
Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Dublin. 0 airlines have flights to Dublin from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Dublin should not be difficult; the airport handles an average of 13 inbound flights from Chicago O'Hare Intl per day.
How long is the flight from Chicago O'Hare Intl Airport to Dublin?
For as low as £405, United Airlines can have you in Dublin from Chicago O'Hare Intl Airport in 21h 18m. Airlines will cover a distance of 3661 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Dublin?
No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Dublin consider choosing Finnair (75%), Alaska Airlines (74%) or American Airlines (72%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Chicago O'Hare Intl Airport to Dublin?
Looking for the cheapest flight from Chicago O'Hare Intl Airport to Dublin? While on average our users pay £363, our data indicates the cheapest price to be £235. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £429.
Can I find deals for business class flights from O'Hare Intl to Dublin?
Yes. Cheapflights offers flight deals from O'Hare Intl to Dublin 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 Chicago O'Hare Intl Airport to Dublin?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £375). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £709). 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 Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 16 September 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 O'Hare Intl to Dublin?
Cheapflights makes it easy to find O'Hare Intl to Dublin flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Dublin?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from O'Hare Intl to Dublin.
Can Cheapflights find flights from O'Hare Intl to Dublin with no change fees?
Yes! Cheapflights helps users easily find flights from O'Hare Intl to Dublin with no change fees.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Dublin become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from O'Hare Intl today and book when prices fit your budget.
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