Ireland

$282+ Cheap flights from O'Hare Intl (ORD) to Ireland

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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
May 5 — May 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Ireland

Keep the following information in mind while searching for O'Hare Intl to Ireland flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$493
(American Airlines)

One-way from

$311
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$707

Good round-trip deal

$721 or less

Good one-way deal

$509 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
From Chicago O'Hare Intl to Ireland
One-way flight from Chicago O'Hare Intl to Ireland
Highest demand for flights based on searches. 20% potential increase in price ($172 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to Ireland.
Price to beat on a one-way flight from Chicago O'Hare Intl to Ireland.

Find flight deals from O'Hare Intl to Ireland

Cheapest flights from O'Hare Intl to Ireland
Explore the most affordable flight options available from O'Hare Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 8/56:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Wed 8/209:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 4/28$562
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:25 pmORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Tue 10/285:00 pmDUB - ORD
1 stop28h 00mTAP AIR PORTUGAL
Deal found 4/28$595
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:10 amORD - DUB
2 stops19h 40mScandinavian Airlines
Fri 9/2611:45 amDUB - ORD
2 stops34h 25mScandinavian Airlines
Deal found 4/28$596
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/510:25 pmORD - DUB
Nonstop7h 15mIberia
Wed 8/131:45 pmDUB - ORD
Nonstop8h 00mIberia
Deal found 4/29$598
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:45 pmORD - DUB
1 stop27h 50mTurkish Airlines
Mon 10/1310:35 amDUB - ORD
1 stop17h 25mTurkish Airlines
Deal found 4/28$599
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:15 pmORD - DUB
1 stop11h 20mMultiple Airlines
Wed 9/1710:50 amDUB - ORD
1 stop13h 25mMultiple Airlines
Deal found 4/29$600
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 8/88:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Tue 8/199:20 amDUB - ORD
1 stop11h 31mUnited Airlines
Deal found 4/28$601
This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:20 pmORD - DUB
1 stop15h 50mSWISS
Sun 8/246:40 pmDUB - ORD
1 stop23h 30mSWISS
Deal found 4/28$604
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Sat 8/169:24 pmORD - DUB
2 stops28h 21mAir Canada
Mon 8/259:20 amDUB - ORD
2 stops15h 34mAir Canada
Deal found 4/28$605
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/175:45 pmORD - SNN
1 stop16h 25mAmerican Airlines
Wed 8/279:15 pmSNN - ORD
1 stop23h 50mAmerican Airlines
Deal found 4/29$609
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/193:45 pmORD - DUB
Nonstop7h 25mAer Lingus
Wed 8/2712:00 pmDUB - ORD
1 stop12h 15mAer Lingus
Deal found 4/29$625
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:25 pmORD - DUB
1 stop11h 50mIcelandair
Wed 8/1312:15 pmDUB - ORD
1 stop15h 00mIcelandair
Deal found 4/29$626

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Ireland 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 April 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

Fly from

O'Hare Intl

Fly to

Ireland

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/20

5:40 pm-10:15 am

1 stop10h 35m

Dublin

Thu 7/31

1:45 pm-3:45 pm

Nonstop8h 00m

$596

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/13

7:05 pm-5:50 pm

1 stop16h 45m

Dublin

Sun 7/20

1:00 pm-3:55 pm

1 stop32h 55m

$600

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 7/28

9:15 pm-10:40 am

Nonstop7h 25m

Dublin

Wed 8/6

11:35 am-2:00 pm

Nonstop8h 25m

$605

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/20

10:25 pm-11:40 am

Nonstop7h 15m

Dublin

Thu 7/31

1:45 pm-3:45 pm

Nonstop8h 00m

$617

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 5/11

8:15 pm-6:15 pm

1 stop16h 00m

Dublin

Wed 5/21

7:05 pm-6:25 pm

1 stop29h 20m

$622

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 7/19

9:31 pm-7:10 am

1 stop27h 39m

Dublin

Tue 7/29

9:20 am-9:52 am

1 stop30h 32m

$624

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/12

4:03 pm-8:20 am

1 stop10h 17m

Dublin

Wed 5/21

11:30 am-9:54 pm

1 stop16h 24m

$627

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/20

7:40 pm-10:20 am

1 stop32h 40m

Dublin

Wed 7/30

9:50 am-7:59 am

1 stop28h 09m

$631

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 6/1

8:50 am-3:10 pm

2 stops24h 20m

Shannon

Thu 6/5

10:50 am-11:29 pm

2 stops18h 39m

$635

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/22

6:24 pm-11:10 am

1 stop10h 46m

Shannon

Tue 7/29

1:05 pm-8:49 pm

1 stop13h 44m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 53 results
1
2
3
...
6

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

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ireland (average of $509). Flying from Chicago O'Hare Intl Airport to Ireland in June is currently the most expensive (average of $981). 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 ORD to IE?

Find hourly flight availability from O'Hare Intl to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from Chicago O'Hare Intl Airport to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Ireland. Price data was last updated on June 30, 2024.

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

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

Explore weekly flight availability from O'Hare Intl to Ireland. 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 April 30, 2025.

The most flights from ORD to IE0 are scheduled on a Monday (11 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 Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated April 30, 2025.
To help decide which airline to fly from Chicago to Ireland, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ireland. 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 Chicago O'Hare Intl Airport to Ireland one-way?

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $433. However, be on the lookout for offers from Icelandair and Iberia, as they are both options that can get you from Chicago O'Hare Intl Airport to Ireland for a low price.

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

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

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Ireland consider choosing American Airlines (73%), Aer Lingus (73%) or British Airways (73%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Chicago O'Hare Intl Airport to Ireland is $439. On average you can expect to pay $1,353. The most popular route, (Chicago O'Hare Intl - Dublin), can usually be booked for $389.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ireland 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 Chicago O'Hare Intl Airport to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ireland (average of $509). Flying from Chicago O'Hare Intl Airport to Ireland in June is currently the most expensive (average of $981). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Ireland

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

Top 10 airlines flying from O'Hare Intl to Ireland

Discover the top 10 airlines that operate flights from O'Hare Intl to Ireland. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$484FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$355Average$554FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$475FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$444Average$708FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$727FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$509Average$749FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$519Average$657FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$808FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.