What are the cheapest airlines to fly from Ireland to Chicago O'Hare Intl Airport one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £355. Users have also found prices from £361 and £362 on Scandinavian Airlines and JetBlue, respectively.

What is the cheapest day to fly from Ireland to Chicago O'Hare Intl Airport?

Travellers seeking maximum savings on their Ireland to Chicago O'Hare Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Ireland to Chicago O'Hare Intl Airport?

On average you can expect to pay £1,136 for a flight from Ireland to Chicago O'Hare Intl Airport. The cheapest flight overall is £375 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at £391.

What are the most reliable airlines from Ireland to Chicago O'Hare Intl Airport?

Consider Aer Lingus (88%), American Airlines (82%) or British Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Chicago O'Hare Intl Airport.

What are the most popular airlines that fly from Ireland to Chicago O'Hare Intl Airport?

Before booking your flight from Ireland to Chicago O'Hare Intl Airport check out the most popular airlines for this route: American Airlines, Finnair or British Airways.

What is the cheapest day to fly round-trip from Ireland to Chicago O'Hare Intl Airport?

Users have found that flying from Ireland to Chicago O'Hare Intl Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Ireland to Chicago O'Hare Intl Airport?

Users have found that booking a flight from Ireland to Chicago O'Hare Intl Airport at least 57 days early can save you up to 63% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Ireland to Chicago O'Hare Intl Airport for as little as £387 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £440 for flights departing within the next 3 days.

What is the cheapest month to fly from Ireland to Chicago O'Hare Intl Airport?

Flights from Ireland to Chicago O'Hare Intl Airport lean towards being more expensive in July. Prices are generally better when you fly from Ireland to Chicago O'Hare Intl Airport in November, with the cheapest ticket starting at £258.

Can I find deals for flights from Ireland to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Ireland to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to O'Hare Intl?

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

Can I find deals for business class flights from Ireland to O'Hare Intl?

Yes. Cheapflights offers flight deals from Ireland 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.

£551+ Flights from Ireland to Chicago O'Hare Intl Airport

Cheap flight deals from Ireland to O'Hare Intl

Round-trip from	£400
One-way from	£355
Popular in	July
Cheapest in	November
Average price	£429
Good round-trip deal	£494 or less
Good one-way deal	£392 or less

Delta
18/5-26/5
3 total stops
28h 57m total
Ireland to Chicago

Search Deals

TAP AIR PORTUGAL
28/10
1 total stop
28h 00m total
Ireland to Chicago

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Ireland to Chicago O'Hare Intl.

Search Deals

Price to beat on a one-way flight from Ireland to Chicago O'Hare Intl.

Search Deals

Find flight deals from Ireland to O'Hare Intl

Cheapest flights from Ireland to O'Hare Intl
Explore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Sun 18/505:55DUB - ORD

2 stops18h 42mDelta

Mon 26/518:30ORD - DUB

1 stop10h 15mDelta

Deal found 30/4£400

Thu 8/511:35DUB - ORD

Nonstop8h 00mUnited Airlines

Wed 14/517:55ORD - DUB

1 stop10h 25mUnited Airlines

Deal found 30/4£405

Thu 11/911:35DUB - ORD

Nonstop8h 00mLufthansa

Wed 17/918:30ORD - DUB

1 stop16h 25mLufthansa

Deal found 29/4£411

Sat 13/910:55DUB - ORD

1 stop12h 05mBritish Airways

Thu 2/1017:00ORD - DUB

1 stop10h 50mBritish Airways

Deal found 30/4£419

Sun 14/913:45DUB - ORD

Nonstop8h 00mFinnair

Thu 2/1022:20ORD - DUB

Nonstop7h 20mFinnair

Deal found 30/4£431

Thu 30/1017:25DUB - ORD

1 stop27h 05mKLM

Tue 4/1114:10ORD - DUB

1 stop13h 10mKLM

Deal found 30/4£436

Thu 8/518:40DUB - ORD

2 stops23h 20mSWISS

Wed 14/519:05ORD - DUB

1 stop35h 05mSWISS

Deal found 30/4£438

Thu 9/1011:45DUB - ORD

2 stops58h 25mScandinavian Airlines

Tue 14/1019:15ORD - DUB

2 stops34h 15mScandinavian Airlines

Deal found 30/4£448

Thu 30/1011:30DUB - ORD

1 stop13h 47mMultiple Airlines

Wed 5/1116:45ORD - DUB

1 stop9h 55mMultiple Airlines

Deal found 30/4£449

Fri 11/712:15DUB - ORD

1 stop15h 00mIcelandair

Mon 14/722:15ORD - DUB

1 stop30h 50mIcelandair

Deal found 30/4£465

Fri 11/711:35DUB - ORD

Nonstop8h 25mAer Lingus

Sun 13/715:45ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 30/4£479

Sat 20/913:45DUB - ORD

Nonstop8h 00mIberia

Sat 4/1022:20ORD - DUB

Nonstop7h 20mIberia

Deal found 30/4£510

Best flights from Ireland to O'Hare Intl
Discover carefully curated flight deals from Ireland to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 May 2025.

Sun 18/505:55DUB - ORD

2 stops18h 42mDelta

Mon 26/518:30ORD - DUB

1 stop10h 15mDelta

Deal found 30/4£400

Mon 2/611:35DUB - ORD

Nonstop8h 00mMultiple Airlines

Mon 30/618:30ORD - DUB

1 stop31h 45mMultiple Airlines

Deal found 1/5£400

Tue 16/913:45DUB - ORD

Nonstop8h 00mFinnair

Mon 29/922:20ORD - DUB

Nonstop7h 20mFinnair

Deal found 1/5£404

Tue 20/511:35DUB - ORD

Nonstop8h 00mUnited Airlines

Tue 27/520:15ORD - DUB

Nonstop7h 30mUnited Airlines

Deal found 29/4£405

Tue 16/909:50DUB - ORD

2 stops15h 04mAir Canada

Mon 29/912:00ORD - DUB

2 stops13h 45mAir Canada

Deal found 30/4£409

Fri 24/1012:40DUB - ORD

1 stop33h 30mScandinavian Airlines

Mon 3/1119:20ORD - DUB

2 stops33h 25mScandinavian Airlines

Deal found 1/5£409

Thu 11/911:35DUB - ORD

Nonstop8h 00mLufthansa

Wed 17/918:30ORD - DUB

1 stop16h 25mLufthansa

Deal found 29/4£411

Thu 9/1009:30DUB - ORD

1 stop14h 25mAmerican Airlines

Tue 14/1022:35ORD - DUB

1 stop12h 30mAmerican Airlines

Deal found 1/5£415

Sat 13/908:35DUB - ORD

1 stop13h 20mBritish Airways

Wed 1/1021:15ORD - DUB

1 stop14h 15mBritish Airways

Deal found 30/4£419

Fri 11/712:15DUB - ORD

1 stop15h 00mIcelandair

Mon 14/722:15ORD - DUB

1 stop30h 50mIcelandair

Deal found 30/4£465

Fri 11/711:35DUB - ORD

Nonstop8h 25mAer Lingus

Sun 13/715:45ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 30/4£479

Thu 29/505:55DUB - ORD

1 stop14h 15mKLM

Mon 9/615:55ORD - DUB

1 stop10h 00mKLM

Deal found 29/4£489

Direct flights from Ireland to O'Hare Intl
Explore direct flight options from Ireland to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 May 2025.

Tue 20/511:35DUB - ORD

Nonstop8h 00mUnited Airlines

Tue 27/520:15ORD - DUB

Nonstop7h 30mUnited Airlines

Deal found 29/4£405

Tue 16/913:45DUB - ORD

Nonstop8h 00mFinnair

Mon 29/922:20ORD - DUB

Nonstop7h 20mFinnair

Deal found 30/4£407

Fri 11/711:35DUB - ORD

Nonstop8h 25mAer Lingus

Sun 13/715:45ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 30/4£479

Mon 2/611:35DUB - ORD

Nonstop8h 00mMultiple Airlines

Mon 30/620:15ORD - DUB

Nonstop7h 30mMultiple Airlines

Deal found 30/4£504

Sat 20/913:45DUB - ORD

Nonstop8h 00mIberia

Sat 4/1022:20ORD - DUB

Nonstop7h 20mIberia

Deal found 30/4£510

Thu 9/1011:35DUB - ORD

Nonstop8h 00mBrussels Airlines

Tue 14/1020:20ORD - DUB

Nonstop7h 25mBrussels Airlines

Deal found 30/4£590

Last-minute flights from Ireland to O'Hare Intl
Discover last-minute flight deals from Ireland to O'Hare Intl. Data last updated 1 May 2025 and is based on user searches.

Sat 3/508:35DUB - ORD

1 stop13h 20mBritish Airways

Tue 13/520:30ORD - DUB

1 stop12h 15mBritish Airways

Deal found 30/4£517

Tue 6/511:35DUB - ORD

Nonstop8h 25mAer Lingus

Tue 13/521:15ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 29/4£519

Wed 7/511:35DUB - ORD

Nonstop8h 00mMultiple Airlines

Wed 14/515:50ORD - DUB

1 stop10h 25mMultiple Airlines

Deal found 30/4£2,244

Thu 8/511:35DUB - ORD

Nonstop8h 00mUnited Airlines

Wed 14/517:55ORD - DUB

1 stop10h 25mUnited Airlines

Deal found 30/4£405

Thu 8/518:40DUB - ORD

2 stops23h 20mSWISS

Wed 14/519:05ORD - DUB

1 stop35h 05mSWISS

Deal found 30/4£438

Thu 8/511:45DUB - ORD

2 stops36h 40mScandinavian Airlines

Wed 14/510:31ORD - DUB

2 stops19h 19mScandinavian Airlines

Deal found 30/4£789

Thu 8/505:30DUB - ORD

2 stops32h 30mTAP AIR PORTUGAL

Wed 14/516:03ORD - DUB

2 stops20h 02mTAP AIR PORTUGAL

Deal found 30/4£1,606

Fri 9/513:30DUB - ORD

2 stops14h 36mAir Canada

Mon 12/514:00ORD - DUB

2 stops14h 15mAir Canada

Deal found 30/4£554

Wed 14/506:30DUB - ORD

1 stop13h 20mAer Lingus

Wed 21/521:15ORD - DUB

Nonstop7h 25mAer Lingus

Deal found 30/4£488

Fri 16/511:35DUB - ORD

Nonstop8h 00mMultiple Airlines

Sat 24/519:05ORD - DUB

1 stop16h 45mMultiple Airlines

Deal found 30/4£433

Sun 18/505:55DUB - ORD

2 stops18h 42mDelta

Mon 26/518:30ORD - DUB

1 stop10h 15mDelta

Deal found 30/4£400

Mon 19/514:15DUB - ORD

1 stop13h 00mIcelandair

Mon 26/508:45ORD - DUB

2 stops22h 30mIcelandair

Deal found 30/4£973

One-way flights from Ireland to O'Hare Intl
Search for one-way flight options from Ireland to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 1 May 2025.

Tue 28/1017:00DUB - ORD

1 stop28h 00mTAP AIR PORTUGAL

Deal found 30/4£355

Thu 29/519:05DUB - ORD

1 stop27h 05mScandinavian Airlines

Deal found 29/4£361

Tue 3/611:30DUB - ORD

1 stop16h 24mJetBlue

Deal found 1/5£362

Wed 4/612:15DUB - ORD

1 stop12h 00mIcelandair

Deal found 1/5£370

Wed 11/613:45DUB - ORD

Nonstop8h 00mFinnair

Deal found 30/4£424

Sat 31/520:10DUB - ORD

1 stop25h 45mBritish Airways

Deal found 1/5£441

Mon 23/613:45DUB - ORD

Nonstop8h 00mAer Lingus

Deal found 29/4£450

Tue 1/713:25DUB - ORD

1 stop14h 03mMultiple Airlines

Deal found 30/4£453

Tue 5/812:50DUB - ORD

2 stops29h 49mWestJet

Deal found 29/4£740

Thu 29/511:35DUB - ORD

Nonstop8h 00mLufthansa

Deal found 1/5£863

Thu 24/709:20DUB - ORD

3 stops20h 17mUnited Airlines

Deal found 30/4£997

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 18/5

05:55-18:37

2 stops18h 42m

Chicago O'Hare Intl

Mon 26/5

18:30-10:45

1 stop10h 15m

£400

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 20/5

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Tue 27/5

20:15-09:45

Nonstop7h 30m

£405

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 16/9

09:50-18:54

2 stops15h 04m

Chicago O'Hare Intl

Mon 29/9

12:00-07:45

2 stops13h 45m

£409

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 11/9

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Wed 17/9

18:30-16:55

1 stop16h 25m

£411

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 13/9

08:35-15:55

1 stop13h 20m

Chicago O'Hare Intl

Wed 1/10

21:15-17:30

1 stop14h 15m

£419

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 14/9

13:45-15:45

Nonstop8h 00m

Chicago O'Hare Intl

Thu 2/10

22:20-11:40

Nonstop7h 20m

£431

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 16/5

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Sat 24/5

19:05-17:50

1 stop16h 45m

£433

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 29/5

19:05-16:10

1 stop27h 05m

Chicago O'Hare Intl

Mon 9/6

07:00-18:15

2 stops29h 15m

£438

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 11/7

12:15-21:15

1 stop15h 00m

Chicago O'Hare Intl

Mon 14/7

22:15-11:05

1 stop30h 50m

£465

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 11/7

11:35-14:00

Nonstop8h 25m

Chicago O'Hare Intl

Sun 13/7

15:45-05:10

Nonstop7h 25m

£479

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 25 results

Best time to book a flight from Ireland to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

What is the cheapest month to book a flight from Ireland to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of £595). Flying from Ireland to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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 ORD?

Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from Ireland to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from Ireland to Chicago O'Hare Intl Airport

The most flights from IE0 to ORD are scheduled on a Thursday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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).

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Delta, KLM and Finnair from Ireland to Chicago have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Ireland to Chicago O'Hare Intl Airport one-way?
For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £355. Users have also found prices from £361 and £362 on Scandinavian Airlines and JetBlue, respectively.
What are the most reliable airlines from Ireland to Chicago O'Hare Intl Airport?
Consider Aer Lingus (88%), American Airlines (82%) or British Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Chicago O'Hare Intl Airport.
What are the cheapest flights from Ireland to Chicago O'Hare Intl Airport?
On average you can expect to pay £1,136 for a flight from Ireland to Chicago O'Hare Intl Airport. The cheapest flight overall is £375 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at £391.
Can I find deals for flights from Ireland to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Ireland to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to O'Hare Intl.
Can I find deals for business class flights from Ireland to O'Hare Intl?
Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of £595). Flying from Ireland to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

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Alternative routes for Ireland to O'Hare Intl

Heathrow to O'Hare Intl flights

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Manchester to Midway flights

Edinburgh to Midway flights

Birmingham to Midway flights

Glasgow Intl to Midway flights

Glasgow Intl to O'Hare Intl flights

London City to Midway flights

Inverness to O'Hare Intl flights

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Bruxelles-National to O'Hare Intl flights

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Gatwick to Midway flights

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Southampton to Midway flights

Bristol to Midway flights

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Newcastle upon Tyne to Midway flights

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Belfast Intl to O'Hare Intl flights

Leeds to Midway flights

Dublin to O'Hare Intl flights

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Cardiff to Midway flights

Dublin to Midway flights

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Top 8 airlines flying from Ireland to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£259	Average£430	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£290	Average£438	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£293	Average£536	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£303	Average£452	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Aer Lingus	Cheapest£309	Average£436	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£368	Average£494	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£370	Average£551	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£378	Average£567	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to O'Hare Intl?

When you search for this flight from Ireland to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ireland to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from Ireland to O'Hare Intl 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 O'Hare Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ireland to O'Hare Intl become cheaper?

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Cheap flights from Ireland to Chicago O'Hare Intl Airport from £355

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to O'Hare Intl

Keep the following information in mind while searching for Ireland to O'Hare Intl flight deals. Data was last updated 1 May 2025.

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One-way from

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Find flight deals from Ireland to O'Hare Intl

Cheapest flights from Ireland to O'Hare IntlExplore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Explore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

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Use the filters below to find and compare flights from Ireland to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Ireland to O'Hare Intl

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

Cheapflights Insights

Everything you need to know about your flight from Ireland to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Ireland to Chicago O'Hare Intl Airport?

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

Find hourly flight availability from Ireland 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 1 May 2025.

Weekly flight availability from Ireland to Chicago O'Hare Intl Airport

Explore weekly flight availability from Ireland 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 1 May 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Delta, KLM and Finnair from Ireland to Chicago have to say. In addition to providing an overall rating, users have also rated airlines 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 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 are the cheapest airlines to fly from Ireland to Chicago O'Hare Intl Airport one-way?

What are the most reliable airlines from Ireland to Chicago O'Hare Intl Airport?

What are the cheapest flights from Ireland to Chicago O'Hare Intl Airport?

Can I find deals for flights from Ireland to O'Hare Intl that include hotel bookings?

How can I find direct flights from Ireland to O'Hare Intl?

Can I find deals for business class flights from Ireland to O'Hare Intl?

What is the cheapest month to book a flight from Ireland to Chicago O'Hare Intl Airport?

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Alternative routes for Ireland to O'Hare Intl

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Top 8 airlines flying from Ireland to O'Hare Intl

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Cheapest flights from Ireland to O'Hare Intl
Explore the most affordable flight options available from Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.