Cheap flights from Chicago O'Hare Intl Airport to Dublin from £241
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
29 Nov — 6 Dec1
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 86 days in advance, depart on a Tuesday or Friday 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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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 30 October 2026.
Sun 22/1118:30 -
1 stop9h 45m
Fri 11/1211:30 -
1 stop11h 50m
Deal found 28/10£480
Wed 25/1118:30 -
1 stop9h 45m
Fri 11/1211:30 -
1 stop11h 50m
Deal found 28/10£504
Sun 22/1118:30 -
1 stop9h 45m
Sat 12/1211:30 -
1 stop11h 50m
Deal found 28/10£517
Sun 29/1120:10 -
1 stop14h 00m
Tue 8/1216:55 -
1 stop28h 35m
Deal found 28/10£524
Wed 11/1119:00 -
1 stop22h 20m
Tue 17/1116:55 -
1 stop28h 35m
Deal found 29/10£525
Mon 23/1119:10 -
1 stop17h 10m
Mon 30/1112:30 -
1 stop34h 15m
Deal found 26/10£531
Wed 11/1118:30 -
1 stop9h 45m
Thu 26/1111:30 -
1 stop11h 50m
Deal found 26/10£532
Thu 31/1219:10 -
1 stop17h 10m
Thu 21/111:30 -
2 stops35h 15m
Deal found 29/10£537
Fri 13/1120:10 -
1 stop21h 10m
Tue 17/1116:55 -
1 stop28h 35m
Deal found 29/10£540
Wed 11/1119:00 -
1 stop22h 20m
Sat 21/1104:15 -
1 stop17h 15m
Deal found 26/10£540
Wed 25/1118:30 -
1 stop9h 45m
Sat 12/1211:30 -
1 stop11h 50m
Deal found 28/10£542
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 30 October 2026.
Wed 2/1219:10 -
1 stop17h 10m
Wed 9/1212:35 -
2 stops34h 10m
Deal found 27/10£547
Wed 13/120:15 -
1 stop31h 20m
Wed 20/116:35 -
1 stop31h 45m
Deal found 26/10£550
Thu 14/118:30 -
1 stop9h 45m
Mon 25/111:30 -
1 stop11h 50m
Deal found 28/10£554
Tue 12/118:30 -
Nonstop7h 40m
Tue 26/112:10 -
1 stop34h 05m
Deal found 30/10£559
Fri 23/419:50 -
Nonstop7h 55m
Wed 28/409:20 -
1 stop35h 15m
Deal found 26/10£560
Wed 10/311:10 -
2 stops14h 55m
Mon 22/308:50 -
2 stops18h 14m
Deal found 28/10£578
Mon 30/1119:10 -
2 stops34h 40m
Fri 4/1211:30 -
2 stops35h 15m
Deal found 26/10£552
Wed 3/318:30 -
Nonstop7h 40m
Sun 7/309:00 -
1 stop16h 58m
Deal found 28/10£563
Mon 7/1218:30 -
Nonstop7h 40m
Sun 13/1205:10 -
1 stop14h 00m
Deal found 26/10£593
Fri 27/1119:10 -
2 stops33h 25m
Tue 1/1211:30 -
2 stops35h 15m
Deal found 28/10£563
Sun 28/319:50 -
Nonstop7h 55m
Sun 4/411:35 -
Nonstop8h 30m
Deal found 29/10£568
Fri 16/419:15 -
2 stops30h 45m
Tue 11/511:40 -
2 stops34h 30m
Deal found 29/10£566
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 30 October 2026.
Wed 10/218:30 -
Nonstop7h 40m
Wed 17/210:40 -
Nonstop8h 40m
Deal found 28/10£528
Tue 20/419:50 -
Nonstop7h 55m
Fri 23/411:35 -
Nonstop8h 30m
Deal found 30/10£531
Sun 29/1118:30 -
Nonstop7h 40m
Tue 8/1210:40 -
Nonstop8h 40m
Deal found 28/10£557
Mon 30/1118:30 -
Nonstop7h 40m
Thu 10/1210:40 -
Nonstop8h 40m
Deal found 30/10£560
Wed 13/118:30 -
Nonstop7h 40m
Tue 2/210:40 -
Nonstop8h 40m
Deal found 30/10£563
Thu 11/218:30 -
Nonstop7h 40m
Thu 18/210:40 -
Nonstop8h 40m
Deal found 28/10£565
Sat 17/419:50 -
Nonstop7h 55m
Thu 22/411:35 -
Nonstop8h 30m
Deal found 30/10£568
Tue 12/118:30 -
Nonstop7h 40m
Tue 9/310:40 -
Nonstop8h 40m
Deal found 29/10£574
Wed 11/1118:30 -
Nonstop7h 40m
Tue 17/1110:40 -
Nonstop8h 40m
Deal found 30/10£597
Last-minute flights from O'Hare Intl to Dublin
Discover last-minute flight deals from O'Hare Intl to Dublin. Data last updated 30 October 2026 and is based on user searches.
Wed 11/1119:00 -
1 stop22h 20m
Tue 17/1116:55 -
1 stop28h 35m
Deal found 29/10£525
Wed 11/1118:30 -
1 stop9h 45m
Thu 26/1111:30 -
1 stop11h 50m
Deal found 26/10£532
Wed 11/1119:00 -
1 stop22h 20m
Sat 21/1104:15 -
1 stop17h 15m
Deal found 26/10£540
Fri 13/1120:10 -
1 stop21h 10m
Tue 17/1116:55 -
1 stop28h 35m
Deal found 29/10£540
Sun 22/1118:30 -
1 stop9h 45m
Thu 10/1211:30 -
1 stop11h 50m
Deal found 28/10£480
Sun 22/1118:30 -
1 stop9h 45m
Sat 12/1211:30 -
1 stop11h 50m
Deal found 28/10£517
Mon 23/1119:10 -
1 stop17h 10m
Mon 30/1112:30 -
1 stop34h 15m
Deal found 26/10£531
Wed 25/1118:30 -
1 stop9h 45m
Fri 11/1211:30 -
1 stop11h 50m
Deal found 28/10£504
Wed 25/1118:30 -
1 stop9h 45m
Sat 12/1211:30 -
1 stop11h 50m
Deal found 28/10£542
Thu 26/1119:10 -
2 stops32h 10m
Wed 2/1219:05 -
1 stop27h 40m
Deal found 25/10£537
Sun 29/1120:10 -
1 stop14h 00m
Tue 8/1216:55 -
1 stop28h 35m
Deal found 28/10£524
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 30 October 2026.
Sun 21/217:10 -
1 stop13h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10£241
Sun 22/1120:10 -
3 stops37h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/10£243
Tue 23/319:35 -
Nonstop7h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10£246
Thu 25/221:50 -
1 stop15h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10£278
Fri 19/319:35 -
Nonstop7h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£283
Sun 14/307:30 -
2 stops21h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/10£286
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 30 October 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 30 October 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
Fastest return journey
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 23/3
19:35-08:10
Nonstop7h 35m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£246
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Sun 31/1
07:00-07:30
2 stops18h 30m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£249
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 9/3
05:00-10:20
2 stops23h 20m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£249
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 14/4
07:30-07:30
2 stops18h 00m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£249
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Fri 19/3
19:35-08:10
Nonstop7h 35m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£284
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Fri 11/12
18:30-10:15
1 stop9h 45m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£299
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Tue 12/1
18:30-08:10
Nonstop7h 40m
Dublin
Wed 31/12
00:00-17:00
Nonstop0h 00m
£377
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 2/12
19:10-18:20
1 stop17h 10m
Dublin
Wed 9/12
12:35-16:45
2 stops34h 10m
£547
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Wed 13/1
20:15-09:35
1 stop31h 20m
Dublin
Wed 20/1
16:35-18:20
1 stop31h 45m
£550
ChicagoDublin
ORD Chicago O'Hare Intl - DUB Dublin
ORDDUB
Chicago O'Hare Intl
Mon 30/11
19:10-11:50
2 stops34h 40m
Dublin
Fri 4/12
11:30-16:45
2 stops35h 15m
£552
Flights are sorted by cheapest return flights first.
Deals found on 30/10
Showing 1-10 of 19 resultsSorted by cheapest first
1
2
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
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 85 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 £387). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £713). 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 30 October 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 typical for this route at the moment.
Chicago O'Hare Intl Airport to Dublin flights typically cost between £316 and £574 in January.The cheapest return price found within the last 5 days was £480 on Icelandair (10 Jan–29 Jan).
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 154 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 16% 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 7 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 £525, Icelandair can have you in Dublin from Chicago O'Hare Intl Airport in 7h 40m. 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 American Airlines (74%), Aer Lingus (74%) or Iberia (74%) 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 £586, our data indicates the cheapest price to be £323. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £811.
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 £387). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £713). 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 30 October 2026.
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 30 October 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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