O'Hare Intl

$394+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Feb 25 — Mar 41
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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 February 20, 2025.

Round-trip from

$421
(oojo)

One-way from

$394
(oojo)

Popular in

July

Cheapest in

November

Average price

$521

Good round-trip deal

$559 or less

Good one-way deal

$479 or less
From Ireland to Chicago O'Hare Intl
One-way flight from Ireland to Chicago O'Hare Intl
Highest demand for flights based on searches. 18% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Ireland to Chicago O'Hare Intl.
Price to beat on a one-way flight from Ireland to Chicago O'Hare Intl.

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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:40 pmDUB - ORD
1 stop34h 05mScandinavian Airlines
Mon 11/107:30 pmORD - DUB
2 stops32h 55mScandinavian Airlines
Deal found 2/18$409
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 3/611:30 amDUB - ORD
1 stop11h 50mIcelandair
Mon 3/107:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 2/18$432
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:05 pmDUB - ORD
1 stop14h 39mMultiple Airlines
Wed 3/265:11 pmORD - DUB
2 stops18h 49mMultiple Airlines
Deal found 2/20$483
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/63:40 pmDUB - ORD
1 stop32h 35mBritish Airways
Sun 4/139:15 pmORD - DUB
1 stop28h 30mBritish Airways
Deal found 2/20$487
This Fly & Visit Rome deal was found by Cheapflights users on 2/19. 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 Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:40 pmDUB - ORD
Nonstop8h 35mAer Lingus
Thu 3/63:55 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 2/19$496
This KLM deal was found by Cheapflights users on 2/19. 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.
Thu 2/275:25 pmDUB - ORD
1 stop27h 05mKLM
Wed 3/52:00 pmORD - DUB
1 stop12h 45mKLM
Deal found 2/19$508
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/195:55 amDUB - ORD
1 stop14h 35mDelta
Wed 3/262:40 pmORD - DUB
2 stops17h 00mDelta
Deal found 2/19$509
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/72:05 pmDUB - ORD
1 stop14h 39mAmerican Airlines
Tue 3/256:30 pmORD - DUB
1 stop9h 10mAmerican Airlines
Deal found 2/20$518
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:45 amDUB - ORD
1 stop13h 40mLufthansa
Fri 2/133:55 pmORD - DUB
1 stop13h 05mLufthansa
Deal found 2/20$546
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/204:25 amDUB - ORD
1 stop17h 05mTAP AIR PORTUGAL
Sun 3/28:25 pmORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Deal found 2/19$556
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Fri 11/149:00 amDUB - ORD
2 stops17h 25mAir Canada
Thu 2/127:20 amORD - DUB
2 stops17h 50mAir Canada
Deal found 2/20$560
This KLM deal was found by Cheapflights users on 2/20. 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.
Fri 3/76:00 amORK - ORD
1 stop14h 30mKLM
Wed 3/125:25 pmORD - ORK
1 stop23h 25mKLM
Deal found 2/20$560

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 February 20, 2025.

Fly from

Ireland

Fly to

O'Hare Intl

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 4/23

11:45 am-4:10 pm

2 stops34h 25m

Chicago O'Hare Intl

Mon 4/28

7:15 pm-6:15 pm

1 stop17h 00m

$421

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 3/6

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 3/10

7:30 pm-10:15 am

1 stop9h 45m

$432

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

2:05 pm-10:44 pm

1 stop14h 39m

Chicago O'Hare Intl

Wed 3/26

5:11 pm-5:00 pm

2 stops18h 49m

$483

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 4/6

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Sun 4/13

9:15 pm-7:45 am

1 stop28h 30m

$487

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 3/6

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Mon 3/10

8:40 pm-9:00 am

Nonstop7h 20m

$498

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

8:50 am-2:30 pm

1 stop11h 40m

Chicago O'Hare Intl

Tue 3/11

5:00 pm-3:40 pm

2 stops17h 40m

$505

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/5

5:55 am-2:30 pm

1 stop14h 35m

Chicago O'Hare Intl

Wed 3/12

5:25 pm-4:40 pm

1 stop18h 15m

$517

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 3/7

2:05 pm-8:08 pm

1 stop12h 03m

Chicago O'Hare Intl

Sat 3/29

2:36 pm-5:30 am

1 stop9h 54m

$518

CorkChicago

ORK - ORD

ORKORD

Cork

Fri 3/7

6:00 am-2:30 pm

1 stop14h 30m

Chicago O'Hare Intl

Wed 3/12

5:25 pm-9:50 pm

1 stop23h 25m

$560

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/31

9:30 am-8:06 pm

1 stop16h 36m

Chicago O'Hare Intl

Thu 5/1

8:35 pm-9:45 am

1 stop31h 10m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 45 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 $321). 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 February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Ireland to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

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 February 20, 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from Ireland to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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

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?

    $394 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 Icelandair and WestJet, with prices starting from $411 and $412, respectively.

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

  • 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 (57%), Aer Lingus (57%), British Airways (57%).

  • 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 $418. On average you can expect to pay $951. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for $392.

  • 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 $321). 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
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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.

Top 3 airlines flying from Ireland to O'Hare Intl

Discover the top 3 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$400Average$559FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$549Average$728FlexibilityNo cancel feeOn-time69%
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