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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as £343. Users have also found prices from £349 and £355 on TAP AIR PORTUGAL and Icelandair, 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 Wednesday afternoons 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 £1,091 for a flight from Ireland to Chicago O'Hare Intl Airport. The cheapest flight overall is £340 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at £402.

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

Consider American Airlines (57%), Aer Lingus (57%) or British Airways (57%) 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 Sunday 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 52 days early can save you up to 73% on average compared to booking a flight this week. If booking 52 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 £409 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 £466 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 £273.

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.

£441+ Flights from Ireland to Chicago O'Hare Intl Airport

Cheap flight deals from Ireland to O'Hare Intl

Round-trip from	£334
Popular in	July
Cheapest in	November
Average price	£413
Good round-trip deal	£452 or less
Good one-way deal	£406 or less

Scandinavian Airlines
23/4-28/4
3 total stops
51h 25m total
Ireland to Chicago

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£79 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Wed 23/411:45DUB - ORD

2 stops34h 25mScandinavian Airlines

Mon 28/419:15ORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 20/2£334

Tue 4/311:30DUB - ORD

1 stop11h 50mIcelandair

Wed 26/319:30ORD - DUB

1 stop9h 45mIcelandair

Deal found 20/2£345

Mon 3/308:50DUB - ORD

1 stop11h 40mMultiple Airlines

Wed 26/314:55ORD - DUB

1 stop13h 50mMultiple Airlines

Deal found 20/2£383

Sat 1/312:00DUB - ORD

1 stop12h 47mAir France

Wed 26/314:55ORD - DUB

1 stop13h 50mAir France

Deal found 20/2£395

Thu 27/210:30DUB - ORD

1 stop14h 15mBritish Airways

Wed 26/316:27ORD - DUB

2 stops14h 43mBritish Airways

Deal found 20/2£395

Thu 27/213:25DUB - ORD

1 stop31h 05mKLM

Wed 5/314:00ORD - DUB

1 stop12h 45mKLM

Deal found 20/2£402

Thu 27/206:00DUB - ORD

1 stop15h 05mDelta

Mon 3/313:40ORD - DUB

2 stops20h 00mDelta

Deal found 20/2£403

Sun 2/314:05DUB - ORD

1 stop14h 39mAmerican Airlines

Sun 23/317:11ORD - DUB

1 stop10h 29mAmerican Airlines

Deal found 20/2£410

Thu 27/216:40DUB - ORD

Nonstop8h 35mAer Lingus

Wed 26/316:55ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 20/2£421

Sat 1/1105:00DUB - ORD

1 stop21h 05mLufthansa

Mon 3/1121:25ORD - DUB

1 stop13h 50mLufthansa

Deal found 21/2£432

Sat 1/1109:00DUB - ORD

1 stop11h 52mUnited Airlines

Wed 5/1112:45ORD - DUB

2 stops15h 20mUnited Airlines

Deal found 21/2£436

Mon 31/309:30DUB - ORD

1 stop16h 36mIberia

Sun 27/420:35ORD - DUB

1 stop31h 10mIberia

Deal found 20/2£448

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 21 February 2025.

Wed 23/411:45DUB - ORD

2 stops34h 25mScandinavian Airlines

Mon 28/419:15ORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 20/2£334

Tue 4/311:30DUB - ORD

1 stop11h 50mIcelandair

Wed 26/319:30ORD - DUB

1 stop9h 45mIcelandair

Deal found 20/2£345

Mon 3/308:50DUB - ORD

1 stop11h 40mMultiple Airlines

Wed 26/314:55ORD - DUB

1 stop13h 50mMultiple Airlines

Deal found 20/2£383

Sat 8/308:50DUB - ORD

1 stop11h 40mKLM

Wed 12/317:25ORD - DUB

1 stop18h 15mKLM

Deal found 20/2£403

Mon 10/308:50DUB - ORD

1 stop11h 40mDelta

Tue 18/310:25ORD - DUB

2 stops16h 40mDelta

Deal found 21/2£404

Tue 1/408:35DUB - ORD

1 stop12h 10mBritish Airways

Tue 22/416:55ORD - DUB

1 stop10h 55mBritish Airways

Deal found 20/2£406

Mon 3/314:05DUB - ORD

1 stop14h 39mAmerican Airlines

Mon 24/316:25ORD - DUB

1 stop11h 15mAmerican Airlines

Deal found 20/2£410

Tue 4/315:20DUB - ORD

Nonstop8h 35mAer Lingus

Wed 26/316:55ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 20/2£421

Mon 31/309:30DUB - ORD

1 stop16h 36mIberia

Sun 27/420:35ORD - DUB

1 stop31h 10mIberia

Deal found 20/2£448

Wed 12/308:00DUB - ORD

1 stop30h 01mUnited Airlines

Wed 19/315:00ORD - DUB

2 stops14h 05mUnited Airlines

Deal found 19/2£460

Mon 3/310:45DUB - ORD

1 stop13h 40mLufthansa

Fri 28/319:35ORD - DUB

1 stop22h 15mLufthansa

Deal found 20/2£474

Fri 4/409:45DUB - ORD

1 stop14h 05mFinnair

Thu 24/421:30ORD - DUB

1 stop13h 45mFinnair

Deal found 20/2£520

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 21 February 2025.

Tue 4/315:20DUB - ORD

Nonstop8h 35mAer Lingus

Wed 26/316:55ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 20/2£421

Tue 1/411:35DUB - ORD

Nonstop8h 00mMultiple Airlines

Tue 22/420:15ORD - DUB

Nonstop7h 30mMultiple Airlines

Deal found 20/2£497

Sun 6/411:35DUB - ORD

Nonstop8h 00mUnited Airlines

Sun 13/420:15ORD - DUB

Nonstop7h 30mUnited Airlines

Deal found 20/2£517

Mon 3/315:20DUB - ORD

Nonstop8h 35mAmerican Airlines

Wed 26/316:55ORD - DUB

Nonstop7h 20mAmerican Airlines

Deal found 20/2£518

Mon 31/311:35DUB - ORD

Nonstop8h 00mBrussels Airlines

Sun 20/420:15ORD - DUB

Nonstop7h 30mBrussels Airlines

Deal found 20/2£560

Mon 23/613:45DUB - ORD

Nonstop8h 00mFinnair

Mon 30/622:15ORD - DUB

Nonstop7h 25mFinnair

Deal found 20/2£591

Last-minute flights from Ireland to O'Hare Intl
Discover last-minute flight deals from Ireland to O'Hare Intl. Data last updated 21 February 2025 and is based on user searches.

Thu 27/211:30DUB - ORD

1 stop11h 50mIcelandair

Wed 26/319:30ORD - DUB

1 stop9h 45mIcelandair

Deal found 20/2£358

Thu 27/210:30DUB - ORD

1 stop14h 15mBritish Airways

Wed 26/316:27ORD - DUB

2 stops14h 43mBritish Airways

Deal found 20/2£395

Thu 27/213:25DUB - ORD

1 stop31h 05mKLM

Wed 5/314:00ORD - DUB

1 stop12h 45mKLM

Deal found 20/2£402

Thu 27/206:00DUB - ORD

1 stop15h 05mDelta

Mon 3/313:40ORD - DUB

2 stops20h 00mDelta

Deal found 20/2£403

Thu 27/216:40DUB - ORD

Nonstop8h 35mAer Lingus

Wed 26/316:55ORD - DUB

Nonstop7h 20mAer Lingus

Deal found 20/2£421

Thu 27/209:00DUB - ORD

1 stop15h 55mUnited Airlines

Wed 5/314:10ORD - DUB

1 stop10h 50mUnited Airlines

Deal found 20/2£435

Thu 27/218:40DUB - ORD

2 stops25h 25mSWISS

Wed 5/317:55ORD - DUB

2 stops17h 55mSWISS

Deal found 20/2£480

Sat 1/312:00DUB - ORD

1 stop12h 47mAir France

Wed 26/314:55ORD - DUB

1 stop13h 50mAir France

Deal found 20/2£395

Sat 1/310:20DUB - ORD

1 stop13h 30mScandinavian Airlines

Sun 16/320:40ORD - DUB

2 stops32h 45mScandinavian Airlines

Deal found 20/2£433

Sun 2/314:05DUB - ORD

1 stop14h 39mAmerican Airlines

Tue 25/317:11ORD - DUB

1 stop10h 29mAmerican Airlines

Deal found 20/2£410

Mon 3/308:50DUB - ORD

1 stop11h 40mMultiple Airlines

Wed 26/314:55ORD - DUB

1 stop13h 50mMultiple Airlines

Deal found 20/2£383

Mon 3/310:45DUB - ORD

1 stop13h 40mLufthansa

Fri 28/319:35ORD - DUB

1 stop22h 15mLufthansa

Deal found 20/2£474

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 21 February 2025.

Sun 18/512:50DUB - ORD

1 stop33h 54mWestJet

Deal found 20/2£343

Tue 18/316:55DUB - ORD

1 stop28h 35mTAP AIR PORTUGAL

Deal found 20/2£349

Sat 12/412:15DUB - ORD

1 stop12h 05mIcelandair

Deal found 20/2£355

Mon 21/416:55DUB - ORD

1 stop22h 45mTurkish Airlines

Deal found 20/2£434

Mon 9/613:45DUB - ORD

Nonstop8h 00mFinnair

Deal found 20/2£446

Sat 19/417:20DUB - ORD

1 stop26h 50mKLM

Deal found 21/2£487

Thu 17/709:15DUB - ORD

1 stop15h 00mMultiple Airlines

Deal found 20/2£501

Sat 22/308:50DUB - ORD

2 stops17h 29mDelta

Deal found 20/2£631

Sun 29/609:50DUB - ORD

3 stops19h 47mUnited Airlines

Deal found 20/2£896

Find flights from Ireland to O'Hare Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/4

11:45-16:10

2 stops34h 25m

Chicago O'Hare Intl

Mon 28/4

19:15-18:15

1 stop17h 00m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Wed 26/3

19:30-10:15

1 stop9h 45m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Wed 26/3

17:11-17:00

2 stops18h 49m

£383

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/3

08:50-14:30

1 stop11h 40m

Chicago O'Hare Intl

Wed 12/3

17:25-16:40

1 stop18h 15m

£403

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 10/3

08:50-15:30

1 stop11h 40m

Chicago O'Hare Intl

Tue 18/3

10:25-08:05

2 stops16h 40m

£404

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 1/4

08:35-14:45

1 stop12h 10m

Chicago O'Hare Intl

Tue 22/4

16:55-09:50

1 stop10h 55m

£406

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Mon 24/3

16:25-08:40

1 stop11h 15m

£410

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Wed 26/3

16:55-05:15

Nonstop7h 20m

£421

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 31/3

09:30-20:06

1 stop16h 36m

Chicago O'Hare Intl

Sun 27/4

20:35-09:45

1 stop31h 10m

£448

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/3

08:00-09:01

1 stop30h 01m

Chicago O'Hare Intl

Wed 19/3

15:00-10:05

2 stops14h 05m

£460

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 24 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.

Travel insights for flights from Ireland to O'Hare Intl

Get recent, data-driven insights about flights from Ireland to O'Hare Intl including ideal travel times, pricing trends, and more.

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 6% on flights from Ireland to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

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

8,213 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

8,213 reviews

Delta

8.0

Very Good

8,213 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

1,331 reviews

Delta

8.0

Very Good

8,213 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

1,273 reviews

Delta

8.0

Very Good

8,213 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

8,759 reviews

Delta

8.0

Very Good

8,213 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

JetBlue

7.4

Good

3,069 reviews

Delta

8.0

Very Good

8,213 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 WestJet. According to our data, you can fly for as low as £343. Users have also found prices from £349 and £355 on TAP AIR PORTUGAL and Icelandair, respectively.
What are the most reliable airlines from Ireland to Chicago O'Hare Intl Airport?
Consider American Airlines (57%), Aer Lingus (57%) or British Airways (57%) 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 £1,091 for a flight from Ireland to Chicago O'Hare Intl Airport. The cheapest flight overall is £340 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at £402.
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

Evanston

Downers Grove

Schaumburg

Elk Grove Village

Beloit

Rosemont

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to O'Hare Intl

Heathrow to O'Hare Intl flights

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Edinburgh to O'Hare Intl flights

Amsterdam to O'Hare Intl flights

London City to Midway flights

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Edinburgh to Midway flights

Belfast Intl to O'Hare Intl flights

Liverpool to O'Hare Intl flights

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Istanbul to O'Hare Intl flights

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Glasgow Intl to Midway flights

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Frederic Chopin to O'Hare Intl flights

Leeds to O'Hare Intl flights

Southampton to O'Hare Intl flights

Norwich to O'Hare Intl flights

Newcastle upon Tyne to Midway flights

Southampton to Midway flights

Barcelona-El Prat to O'Hare Intl flights

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Darlington to O'Hare Intl flights

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Top 8 airlines flying from Ireland to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£274	Average£455	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£307	Average£446	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£310	Average£578	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£313	Average£478	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Aer Lingus	Cheapest£323	Average£444	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£390	Average£523	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£391	Average£583	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£401	Average£589	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?

Yes! Start tracking prices for Ireland 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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Cheap flights from Ireland to Chicago O'Hare Intl Airport from £334

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. 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 21 February 2025.

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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 21 February 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 21 February 2025.

Find flights from Ireland to O'Hare Intl within your budget

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.

Travel insights for flights from Ireland to O'Hare Intl

Get recent, data-driven insights about flights from Ireland to O'Hare Intl including ideal travel times, pricing trends, and more.

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 21 February 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 21 February 2025.