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O'Hare Intl

$398+ Cheap flights from Ireland to O'Hare Intl (ORD)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Ireland to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to O'Hare Intl (ORD). 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 January 21, 2025.

Round-trip from

$401
(United Airlines)

One-way from

$398
(Kiwi.com)
From Ireland to Chicago O'Hare Intl
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One-way flight from Ireland to Chicago O'Hare Intl
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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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/149:50 amDUB - ORD
1 stop11h 01mUnited Airlines
Sun 4/208:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Deal found 1/20$401
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:20 pmDUB - ORD
Nonstop8h 35mAer Lingus
Sun 3/94:55 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 1/20$405
This SWISS deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:40 pmDUB - ORD
1 stop24h 15mSWISS
Sun 3/98:05 pmORD - DUB
1 stop35h 00mSWISS
Deal found 1/20$406
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:30 amDUB - ORD
2 stops17h 07mMultiple Airlines
Sun 3/99:50 amORD - DUB
1 stop15h 20mMultiple Airlines
Deal found 1/20$408
This Finnair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:40 amDUB - ORD
1 stop14h 10mFinnair
Mon 5/269:30 pmORD - DUB
1 stop13h 45mFinnair
Deal found 1/20$413
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/178:50 amDUB - ORD
1 stop11h 40mDelta
Mon 2/244:58 pmORD - DUB
2 stops16h 42mDelta
Deal found 1/20$417
This British Airways deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/411:00 amDUB - ORD
1 stop12h 00mBritish Airways
Sun 8/249:15 pmORD - DUB
1 stop11h 00mBritish Airways
Deal found 1/20$419
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:30 pmSNN - ORD
2 stops30h 45mUnited Airlines
Sat 5/316:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Deal found 1/20$421
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/12:05 pmDUB - ORD
1 stop11h 59mAmerican Airlines
Fri 2/710:00 pmORD - DUB
1 stop13h 00mAmerican Airlines
Deal found 1/20$424
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/106:00 amORK - ORD
1 stop14h 30mKLM
Sun 2/164:25 pmORD - ORK
1 stop23h 20mKLM
Deal found 1/20$425
This Air Canada deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:50 amDUB - ORD
1 stop12h 01mAir Canada
Sat 4/1910:53 amORD - DUB
2 stops15h 22mAir Canada
Deal found 1/20$438
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/261:05 pmSNN - ORD
2 stops17h 01mMultiple Airlines
Sat 6/76:10 pmORD - SNN
1 stop11h 00mMultiple Airlines
Deal found 1/20$451

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

Customize your flight search to find flights from Ireland to O'Hare Intl 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 4/14

9:50 am-2:51 pm

1 stop11h 01m

Chicago O'Hare Intl

Sun 4/20

1:28 pm-7:10 am

1 stop11h 42m

$401

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/5

3:20 pm-5:55 pm

Nonstop8h 35m

Chicago O'Hare Intl

Sun 3/9

4:55 pm-5:15 am

Nonstop7h 20m

$405

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/5

6:40 pm-12:55 pm

1 stop24h 15m

Chicago O'Hare Intl

Sun 3/9

8:05 pm-12:05 pm

1 stop35h 00m

$406

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 3/6

8:30 am-7:37 pm

2 stops17h 07m

Chicago O'Hare Intl

Sun 3/9

9:50 am-6:10 am

1 stop15h 20m

$408

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/23

9:40 am-5:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Mon 5/26

9:30 pm-5:15 pm

1 stop13h 45m

$413

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 2/17

8:50 am-2:30 pm

1 stop11h 40m

Chicago O'Hare Intl

Mon 2/24

4:58 pm-3:40 pm

2 stops16h 42m

$417

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 6/4

11:00 am-5:00 pm

1 stop12h 00m

Chicago O'Hare Intl

Sun 8/24

9:15 pm-2:15 pm

1 stop11h 00m

$419

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 5/6

12:30 pm-1:15 pm

2 stops30h 45m

Chicago O'Hare Intl

Sat 5/31

6:05 pm-7:30 am

Nonstop7h 25m

$421

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 2/1

2:05 pm-8:04 pm

1 stop11h 59m

Chicago O'Hare Intl

Fri 2/7

10:00 pm-5:00 pm

1 stop13h 00m

$424

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 2/1

9:00 am-7:55 pm

2 stops16h 55m

Chicago O'Hare Intl

Fri 2/7

2:05 pm-7:10 am

1 stop11h 05m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 52 results
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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 round-trip 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, August is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of $245). Flying from Ireland to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). 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?

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 January 21, 2025.

When flying from Ireland to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 21, 2025.

The most flights from IE0 to ORD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in O'Hare Intl by month

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

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated January 21, 2025.
Read reviews from past customers who have flown Delta, British Airways and United Airlines from Ireland to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,599 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 10

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

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?

    $402 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on TAP AIR PORTUGAL and Icelandair, with prices starting from $420 and $421, respectively.

  • What are the most popular routes from Ireland to Chicago O'Hare Intl Airport?

    When deciding which route to take from Ireland to Chicago O'Hare Intl Airport consider Dublin - Chicago O'Hare Intl, Shannon - Chicago O'Hare Intl or Cork - Chicago O'Hare Intl as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Chicago O'Hare Intl Airport on time: American Airlines (65%), Aer Lingus (65%), British Airways (65%).

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

    The cheapest flight price from Ireland to Chicago O'Hare Intl Airport is $354. On average you can expect to pay $1,259. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for $321.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Ireland to Chicago O'Hare Intl Airport (average of $245). Flying from Ireland to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). 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

Traveling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
Naperville
Rosemont
Beloit
Racine
Hoffman Estates
Schaumburg
Rockford
Skokie
Tinley Park
Arlington Heights
Northbrook
Evanston
Des Plaines
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Gurnee
Willowbrook

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Alternative routes for Ireland to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to O'Hare Intl flights
Heathrow to O'Hare Intl flights
Charles de Gaulle to O'Hare Intl flights
Frederic Chopin to O'Hare Intl flights
Madrid to O'Hare Intl flights
Frederic Chopin to Midway flights
Vienna to O'Hare Intl flights
Gatwick to O'Hare Intl flights
Munich to O'Hare Intl flights
Istanbul to O'Hare Intl flights
London City to O'Hare Intl flights
Krakow to O'Hare Intl flights
Bruxelles-National to O'Hare Intl flights
Orly to O'Hare Intl flights
Heathrow to Midway flights
Zurich to O'Hare Intl flights
Dublin to O'Hare Intl flights
Malpensa to O'Hare Intl flights
Amsterdam to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Barcelona-El Prat to O'Hare Intl flights
Charles de Gaulle to Midway flights
Otopeni Intl to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Athens to O'Hare Intl flights
Vilnius to O'Hare Intl flights
Bruxelles-National to Midway flights
Copenhagen to O'Hare Intl flights
Duesseldorf Intl to O'Hare Intl flights
Madrid to Midway flights
Modlin to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights
Barcelona-El Prat to Midway flights
Berlin to O'Hare Intl flights
Linate to O'Hare Intl flights
Oslo Gardermoen to O'Hare Intl flights
Bergamo to O'Hare Intl flights
Sabiha Gokcen to O'Hare Intl flights
Belgrade to O'Hare Intl flights
Vicenza to O'Hare Intl flights
Duesseldorf Intl to Midway flights
Hamburg to O'Hare Intl flights

Top 5 airlines flying from Ireland to O'Hare Intl

Discover the top 5 airlines that operate flights from Ireland to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$373Average$525FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$399Average$547FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$549Average$750FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$573Average$722FlexibilityNo cancel feeOn-time71%
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