How long is the flight from Ireland to Chicago?

Departing from Ireland to Chicago will take you 11h 50m. Ireland and Chicago are separated by a distance of 3661 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the cheapest flights from Ireland to Chicago?

The cheapest flight price from Ireland to Chicago is £350. On average you can expect to pay £816. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £464.

What are the most reliable airlines from Ireland to Chicago?

The top 3 most reliable airlines when flying from Ireland to Chicago are Alaska Airlines (80%), Finnair (80%) and Iberia (79%).

What are the most popular airlines that fly from Ireland to Chicago?

The most popular airlines flying from Ireland to Chicago are Aer Lingus, United Airlines and British Airways. Something to consider prior to booking your flight.

Can I find deals for flights from Ireland to Chicago that include hotel bookings?

Yes. In addition to deals on Ireland to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to Chicago?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Chicago.

Can I find deals for business class flights from Ireland to Chicago?

Yes. Cheapflights offers flight deals from Ireland to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£354+ Flights from Ireland to Chicago

Cheap flight deals from Ireland to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Chicago
Explore the most affordable flight options available from Ireland to Chicago. 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

Tue 23/1209:45DUB - MDW

1 stop13h 34mDelta

Wed 31/1218:08MDW - DUB

2 stops15h 37mDelta

Deal found 10/12£509

Tue 23/1209:45DUB - MDW

1 stop13h 34mKLM

Wed 31/1209:50MDW - DUB

1 stop15h 55mKLM

Deal found 10/12£512

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 Ireland to Chicago
Discover carefully curated flight deals from Ireland to Chicago 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

Thu 12/208:50DUB - MDW

2 stops14h 47mKLM

Thu 26/213:49MDW - DUB

1 stop11h 56mKLM

Deal found 11/12£435

Mon 26/105:55DUB - MDW

2 stops33h 13mDelta

Mon 2/209:33MDW - DUB

2 stops24h 12mDelta

Deal found 11/12£436

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

Sun 1/305:55DUB - ORD

2 stops16h 46mDelta

Wed 11/317:50ORD - DUB

2 stops13h 50mDelta

Deal found 10/12£437

Sat 24/105:55DUB - MDW

2 stops16h 21mKLM

Sat 31/113:26MDW - DUB

2 stops12h 39mKLM

Deal found 10/12£437

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

Sun 22/209:45DUB - MDW

1 stop14h 00mKLM

Wed 4/310:53MDW - DUB

1 stop14h 52mKLM

Deal found 10/12£442

Sun 22/210:45DUB - MDW

2 stops17h 57mDelta

Wed 4/310:53MDW - DUB

1 stop14h 52mDelta

Deal found 10/12£442

Fri 1/512:15DUB - ORD

1 stop15h 25mIcelandair

Tue 12/519:25ORD - DUB

1 stop9h 40mIcelandair

Deal found 11/12£441

Tue 31/306:00DUB - MDW

2 stops17h 55mDelta

Tue 7/418:35MDW - DUB

2 stops14h 25mDelta

Deal found 10/12£506

Wed 1/406:00DUB - MDW

2 stops17h 55mDelta

Wed 8/418:35MDW - DUB

2 stops14h 25mDelta

Deal found 11/12£506

Wed 22/408:55DUB - MDW

2 stops15h 10mDelta

Sun 26/413:05MDW - DUB

1 stop13h 40mDelta

Deal found 10/12£507

Thu 14/506:00DUB - MDW

2 stops18h 31mDelta

Fri 5/614:00MDW - DUB

1 stop11h 55mDelta

Deal found 10/12£507

Direct flights from Ireland to Chicago
Explore direct flight options from Ireland to Chicago 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 Ireland to Chicago
Discover last-minute flight deals from Ireland to Chicago. 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

Thu 22/105:55DUB - MDW

2 stops18h 41mDelta

Mon 26/113:26MDW - DUB

2 stops20h 19mDelta

Deal found 11/12£433

Fri 23/105:55DUB - MDW

2 stops18h 00mDelta

Sun 1/209:33MDW - DUB

2 stops17h 12mDelta

Deal found 11/12£435

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 24/105:55DUB - MDW

2 stops16h 21mKLM

Sat 31/113:26MDW - DUB

2 stops12h 39mKLM

Deal found 10/12£437

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

Mon 26/105:55DUB - MDW

2 stops33h 13mDelta

Mon 2/209:33MDW - DUB

2 stops24h 12mDelta

Deal found 11/12£436

One-way flights from Ireland to Chicago
Search for one-way flight options from Ireland to Chicago. 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 30/105:55DUB - MDW

2 stops18h 00mDelta

Deal found 10/12£471

Tue 10/208:50DUB - MDW

2 stops15h 05mDelta

Deal found 11/12£475

Fri 26/1216:30DUB - ORD

1 stop23h 35mTurkish Airlines

Deal found 11/12£478

Wed 15/406:00DUB - MDW

2 stops18h 05mDelta

Deal found 10/12£504

Wed 7/120:40DUB - ORD

1 stop24h 45mBritish Airways

Deal found 10/12£508

Wed 15/410:00DUB - MDW

1 stop14h 05mKLM

Deal found 12/12£513

Sat 18/406:00DUB - MDW

2 stops18h 05mDelta

Deal found 10/12£525

Wed 10/606:00DUB - MDW

2 stops18h 31mDelta

Deal found 10/12£626

Sun 4/120:40DUB - ORD

1 stop24h 45mBritish Airways

Deal found 11/12£659

Find flight deals from Ireland to Chicago

Round-trip from	£354
Popular in	July
Cheapest in	September
Average price	£407
Good round-trip deal	£398 or less
Good one-way deal	£372 or less

Scandinavian Airlines
22/1-26/1
4 total stops
68h 40m total
Ireland to Chicago

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Ireland to Chicago (CHI).

Search Deals

Price to beat on a one-way flight from Ireland to Chicago (CHI).

Search Deals

Fly from

Fly to

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 - MDW

DUBMDW

Dublin

Thu 12/2

08:50-17:37

2 stops14h 47m

Chicago Midway

Thu 26/2

13:49-07:45

1 stop11h 56m

£435

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 26/1

05:55-09:08

2 stops33h 13m

Chicago Midway

Mon 2/2

09:33-15:45

2 stops24h 12m

£436

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 - MDW

DUBMDW

Dublin

Sat 24/1

05:55-16:16

2 stops16h 21m

Chicago Midway

Sat 31/1

13:26-08:05

2 stops12h 39m

£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

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 33 results

Best time to book a flight from Ireland to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Ireland 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 Ireland to Chicago

What is the cheapest month to book a flight from Ireland to Chicago?

Currently, February is the cheapest month in which you can book a flight from Ireland to Chicago (average of £286). Flying from Ireland to Chicago 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 IE to CHI?

A simple way to save on the total cost of your ticket is to fly from Ireland to Chicago in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at midday.

Weekly flight availability from Ireland to Chicago

The most flights from IE0 to CHI 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 Ireland to Chicago delayed?

About 12% of weekly flights between Ireland 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 Ireland 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 Ireland 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.

Reviews of airlines servicing Chicago

Check out reviews from past customers who have flown with United Airlines, Aer Lingus, andBrussels Airlines from Ireland to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Aer Lingus

7.2

Good

1,394 reviews

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Brussels Airlines

7.2

Good

375 reviews

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Icelandair

7.0

Good

589 reviews

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

British Airways

6.7

Okay

7,571 reviews

United Airlines

7.4

Good

9,095 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

How long is the flight from Ireland to Chicago?
Departing from Ireland to Chicago will take you 11h 50m. Ireland and Chicago are separated by a distance of 3661 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Ireland to Chicago?
The top 3 most reliable airlines when flying from Ireland to Chicago are Alaska Airlines (80%), Finnair (80%) and Iberia (79%).
What are the cheapest flights from Ireland to Chicago?
The cheapest flight price from Ireland to Chicago is £350. On average you can expect to pay £816. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £464.
Can I find deals for flights from Ireland to Chicago that include hotel bookings?
Yes. In addition to deals on Ireland to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Chicago.
Can I find deals for business class flights from Ireland to Chicago?
Yes. Cheapflights offers flight deals from Ireland to Chicago 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 Ireland to Chicago?
Currently, February is the cheapest month in which you can book a flight from Ireland to Chicago (average of £286). Flying from Ireland to Chicago 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Chicago

Heathrow to O'Hare Intl flights

Gatwick to O'Hare Intl flights

Heathrow to Midway flights

London City to O'Hare Intl flights

Stansted to O'Hare Intl flights

Luton to O'Hare Intl flights

Bruxelles-National to O'Hare Intl flights

Manchester to O'Hare Intl flights

Heathrow to St. Louis flights

Gatwick to Midway flights

Edinburgh to O'Hare Intl flights

Manchester to Midway flights

Edinburgh to Midway flights

Gatwick to St. Louis flights

London City to St. Louis flights

Birmingham to O'Hare Intl flights

Newcastle upon Tyne to O'Hare Intl flights

Dublin to O'Hare Intl flights

Glasgow Intl to O'Hare Intl flights

Stansted to St. Louis flights

Manchester to St. Louis flights

Newcastle upon Tyne to Midway flights

Heathrow to Peoria flights

Southend to O'Hare Intl flights

Birmingham to Midway flights

Dublin to Midway flights

Glasgow Intl to Midway flights

Bristol to O'Hare Intl flights

Edinburgh to St. Louis flights

Birmingham to St. Louis flights

Belfast Intl to O'Hare Intl flights

Luton to St. Louis flights

London City to Midway flights

Manchester to Peoria flights

Heathrow to Moline flights

Manchester to Moline flights

Southampton to O'Hare Intl flights

Belfast City to O'Hare Intl flights

Cardiff to O'Hare Intl flights

Leeds to O'Hare Intl flights

Heathrow to Champaign flights

Heathrow to Springfield flights

Newquay to O'Hare Intl flights

Liverpool to O'Hare Intl flights

Inverness to O'Hare Intl flights

Cardiff to Midway flights

Exeter to O'Hare Intl flights

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Top 6 airlines flying from Ireland to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£241	Average£351	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£300	Average£437	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£316	Average£465	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Aer Lingus	Cheapest£343	Average£483	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£355	Average£630	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£454	Average£493	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Chicago?

Cheapflights helps you search for flights from Ireland to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Chicago?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Chicago with no change fees?

Yes, we can. To see specific flights from Ireland to Chicago with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to Chicago become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ireland to Chicago 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.

Cheap flight deals from Ireland to Chicago

Cheapest flights from Ireland to ChicagoExplore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Explore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Find flight deals from Ireland to Chicago

Keep the following information in mind while searching for Ireland to Chicago flight deals. Data was last updated 12 December 2025.

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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Best time to book a flight from Ireland to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Ireland with our price prediction graph.

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Everything you need to know about your flight from Ireland to Chicago

What is the cheapest month to book a flight from Ireland to Chicago?

What is the cheapest time of day to fly from IE to CHI?

Find hourly flight availability from Ireland to Chicago. 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.

Weekly flight availability from Ireland to Chicago

Explore weekly flight availability from Ireland to Chicago. 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.

How often are flights from Ireland to Chicago delayed?

What is the most punctual flight time for Ireland to Chicago flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Ireland to Chicago flights?

Reviews of airlines servicing Chicago

Check out reviews from past customers who have flown with United Airlines, Aer Lingus, andBrussels Airlines from Ireland to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Ireland to Chicago?

What are the most reliable airlines from Ireland to Chicago?

What are the cheapest flights from Ireland to Chicago?

Can I find deals for flights from Ireland to Chicago that include hotel bookings?

How can I find direct flights from Ireland to Chicago?

Can I find deals for business class flights from Ireland to Chicago?

What is the cheapest month to book a flight from Ireland to Chicago?

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Alternative routes for Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ireland to Chicago

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Cheapest flights from Ireland to Chicago
Explore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.