HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$242+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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

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 diciembre 12, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/11. 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.
dom. 12/286:35 pmORD - DUB
Nonstop7h 35mMultiple Airlines
dom. 1/116:35 pmDUB - ORD
1 stop24h 10mMultiple Airlines
Deal found 12/11$587
This United Airlines deal was found by Cheapflights users on 12/11. 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.
dom. 12/286:35 pmORD - DUB
Nonstop7h 35mUnited Airlines
dom. 1/119:00 amDUB - ORD
2 stops42h 15mUnited Airlines
Deal found 12/11$601
This United Airlines deal was found by Cheapflights users on 12/8. 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.
dom. 12/286:35 pmORD - DUB
Nonstop7h 35mUnited Airlines
jue. 1/89:30 amDUB - ORD
2 stops14h 49mUnited Airlines
Deal found 12/8$610
This Air Canada deal was found by Cheapflights users on 12/11. 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.
vie. 12/268:30 pmORD - DUB
1 stop28h 40mAir Canada
vie. 1/99:00 amDUB - ORD
2 stops29h 05mAir Canada
Deal found 12/11$620
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:10 pmORD - DUB
1 stop19h 35mSWISS
mié. 1/712:50 pmDUB - ORD
2 stops58h 10mSWISS
Deal found 12/11$654
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:10 pmORD - DUB
2 stops41h 35mSWISS
mié. 1/712:50 pmDUB - ORD
2 stops58h 10mSWISS
Deal found 12/11$675
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:50 pmORD - DUB
2 stops41h 55mSWISS
mar. 1/612:55 pmDUB - ORD
2 stops58h 05mSWISS
Deal found 12/11$678
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:10 pmORD - DUB
2 stops41h 35mSWISS
mar. 1/612:55 pmDUB - ORD
2 stops58h 05mSWISS
Deal found 12/11$691
This oojo deal was found by Cheapflights users on 12/11. 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.
dom. 12/288:40 pmORD - SNN
1 stop14h 05mMultiple Airlines
vie. 2/208:05 pmSNN - ORD
2 stops29h 10mMultiple Airlines
Deal found 12/11$977
This Expedia deal was found by Cheapflights users on 12/11. 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.
vie. 12/124:45 pmORD - ORK
2 stops24h 40mMultiple Airlines
vie. 12/197:40 amORK - ORD
2 stops39h 25mMultiple Airlines
Deal found 12/11$1,001
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/145:10 pmORD - SNN
1 stop12h 20mAer Lingus
mar. 12/167:50 amSNN - ORD
1 stop16h 55mAer Lingus
Deal found 12/10$1,031
This Mytrip deal was found by Cheapflights users on 12/11. 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.
dom. 12/146:30 pmORD - SNN
2 stops18h 50mMultiple Airlines
vie. 12/195:30 pmSNN - ORD
2 stops29h 50mMultiple Airlines
Deal found 12/11$1,148

Find 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 diciembre 12, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$420
(FlightHub)

One-way from

$242
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$825

Good round-trip deal

$597 or less

Good one-way deal

$393 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
Search Deals
From Chicago O'Hare Intl to Ireland
Search Deals
One-way flight from Chicago O'Hare Intl to Ireland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Ireland.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Ireland.
Search Deals

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 diciembre 12, 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

vie. 2/6

6:30 pm-10:15 am

1 stop9h 45m

Dublin

lun. 2/9

11:30 am-5:20 pm

1 stop11h 50m

$430

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 3/4

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

mié. 3/11

8:00 am-3:10 pm

1 stop12h 10m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 1/14

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

mié. 2/4

9:00 am-6:50 pm

1 stop15h 50m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 3/4

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

vie. 3/13

8:00 am-4:39 pm

1 stop13h 39m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 3/1

1:02 pm-10:20 am

1 stop15h 18m

Dublin

vie. 3/13

8:00 am-3:10 pm

1 stop12h 10m

$469

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 3/2

6:25 pm-10:20 am

1 stop9h 55m

Dublin

vie. 3/13

8:00 am-4:39 pm

1 stop13h 39m

$469

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 1/8

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

mié. 1/21

10:40 am-1:30 pm

Nonstop8h 50m

$469

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 3/1

4:10 pm-9:55 am

1 stop11h 45m

Dublin

mié. 3/11

8:00 am-3:10 pm

1 stop12h 10m

$469

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 3/3

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

mié. 3/11

10:40 am-2:30 pm

Nonstop8h 50m

$470

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 1/18

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

vie. 1/30

10:40 am-1:30 pm

Nonstop8h 50m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 49 results
1
2
3
...
5

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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ireland (average of $362). Flying from Chicago O'Hare Intl Airport to Ireland in June is currently the most expensive (average of $676). 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 diciembre 12, 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 at noon, which can drop the price by up to 29% versus a flight in the afternoon.

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 December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Ireland flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday afternoons 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 diciembre 12, 2025.

The most flights from ORD to IE0 are scheduled on a Wednesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How often are flights from Chicago to Ireland delayed?

About 22% of weekly flights between Chicago and Ireland have experienced delays in the past year, with the average delay time being 155 minutes.

What is the most punctual flight time for Chicago to Ireland flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Ireland flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 19% of flights being delayed.

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 diciembre 12, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Aer Lingus from Chicago O'Hare Intl Airport to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Aer Lingus
7.2
Good
1,392 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Icelandair
7.0
Good
589 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Iberia
7.0
Good
3,045 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Ireland?

    Departing from Chicago O'Hare Intl Airport to Ireland will take you 7h 35m. The distance between Chicago O'Hare Intl Airport and Ireland is about 3661 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $215. However, be on the lookout for offers from Icelandair and British Airways, 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?

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

  • 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 Aer Lingus (68%), British Airways (63%) or American Airlines (60%) 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 $326. On average you can expect to pay $3,514. The most popular route, (Chicago O'Hare Intl - Dublin), can usually be booked for $353.

  • 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ireland (average of $362). Flying from Chicago O'Hare Intl Airport to Ireland in June is currently the most expensive (average of $676). 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.
O'Hare Intl to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Madrid flights
O'Hare Intl to Dublin flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Athens flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Orly flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to London City flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Stansted flights
O'Hare Intl to Lisbon flights
Midway to Heathrow flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Zurich flights
O'Hare Intl to Malpensa flights
Midway to Leonardo da Vinci/Fiumicino flights
Midway to Charles de Gaulle flights
O'Hare Intl to Munich flights
O'Hare Intl to Luton flights
O'Hare Intl to Krakow flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Linate flights
O'Hare Intl to Sabiha Gokcen flights
Midway to Madrid flights
O'Hare Intl to Beauvais-Tille flights
O'Hare Intl to Keflavik Intl flights
Midway to Dublin flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Vienna flights
Midway to Athens flights
O'Hare Intl to Florence flights
Midway to Lisbon flights
O'Hare Intl to Prague flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Berlin flights
O'Hare Intl to Geneva flights
Midway to Frankfurt flights
O'Hare Intl to Oslo Gardermoen flights
O'Hare Intl to Ciampino flights
O'Hare Intl to Naples flights
Midway to Barcelona-El Prat flights
Midway to Istanbul flights
O'Hare Intl to Budapest flights
O'Hare Intl to Skopje flights
Midway to Malpensa flights

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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$557FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$346Average$536FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$501FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$473FlexibilityNo cancel feeOn-time77%
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$478Average$714FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$488Average$741FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$512Average$688FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$518Average$805FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$522Average$918FlexibilityNo cancel feeOn-timeN/A

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.