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$241+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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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 julio 29, 2025.

Round-trip from

$491
(FlightHub)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$815

Good round-trip deal

$593 or less

Good one-way deal

$443 or less
From Chicago O'Hare Intl to Ireland
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One-way flight from Chicago O'Hare Intl to Ireland
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Highest demand for flights based on searches. 17% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Ireland.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Ireland.
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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 julio 29, 2025.

This Orbitz deal was found by Cheapflights users on 7/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/13:45 pmORD - DUB
Nonstop7h 25mAer Lingus
mié. 9/104:40 pmDUB - ORD
Nonstop8h 20mAer Lingus
Deal found 7/28$491
This oojo deal was found by Cheapflights users on 7/29. 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.
mié. 10/227:25 pmORD - DUB
1 stop11h 50mIcelandair
sáb. 11/111:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 7/29$492
This oojo deal was found by Cheapflights users on 7/29. 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.
vie. 10/319:15 pmORD - DUB
1 stop21h 05mTAP AIR PORTUGAL
sáb. 11/84:15 amDUB - ORD
1 stop16h 45mTAP AIR PORTUGAL
Deal found 7/29$493
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:20 pmORD - DUB
2 stops33h 25mScandinavian Airlines
mar. 11/1811:30 amDUB - ORD
2 stops35h 15mScandinavian Airlines
Deal found 7/29$496
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/511:13 amORD - DUB
2 stops15h 02mMultiple Airlines
sáb. 9/139:20 amDUB - ORD
2 stops18h 51mMultiple Airlines
Deal found 7/28$506
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:35 pmORD - DUB
Nonstop7h 35mUnited Airlines
jue. 12/1110:40 amDUB - ORD
Nonstop8h 50mUnited Airlines
Deal found 7/29$517
This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/117:15 amORD - DUB
2 stops17h 55mAir Canada
mié. 11/199:00 amDUB - ORD
1 stop12h 11mAir Canada
Deal found 7/27$520
This Gurufare deal was found by Cheapflights users on 7/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:10 pmORD - DUB
1 stop10h 25mBritish Airways
mar. 11/1110:55 amDUB - ORD
1 stop12h 05mBritish Airways
Deal found 7/27$529
This Delta deal was found by Cheapflights users on 7/27. 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.
mar. 11/43:45 pmORD - DUB
1 stop11h 35mDelta
jue. 11/139:45 amDUB - ORD
1 stop11h 11mDelta
Deal found 7/27$534
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:45 pmORD - SNN
1 stop10h 45mAmerican Airlines
jue. 11/277:50 amSNN - ORD
1 stop12h 00mAmerican Airlines
Deal found 7/28$535
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:35 pmORD - DUB
Nonstop7h 35mSWISS
mar. 12/212:55 pmDUB - ORD
1 stop33h 25mSWISS
Deal found 7/27$544
This Aunt Betty deal was found by Cheapflights users on 7/28. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
mar. 9/29:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 7/28$595

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 julio 29, 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

lun. 9/1

9:15 pm-10:40 am

Nonstop7h 25m

Dublin

jue. 9/11

11:35 am-2:00 pm

Nonstop8h 25m

$491

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 10/22

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

sáb. 11/1

11:30 am-6:20 pm

1 stop11h 50m

$492

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 10/20

7:15 pm-10:55 am

2 stops33h 40m

Dublin

dom. 11/2

11:35 am-4:45 pm

2 stops35h 10m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

vie. 9/5

11:13 am-8:15 am

2 stops15h 02m

Dublin

sáb. 9/13

9:20 am-10:11 pm

2 stops18h 51m

$506

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 10/20

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

mié. 11/5

9:00 am-3:11 pm

1 stop12h 11m

$514

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 9/7

7:11 am-7:45 am

1 stop18h 34m

Dublin

mar. 9/16

9:20 am-2:55 pm

1 stop11h 35m

$516

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 8/23

6:15 pm-6:05 pm

1 stop17h 50m

Dublin

vie. 8/29

5:30 am-4:10 pm

1 stop16h 40m

$521

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 9/7

6:45 am-8:20 am

1 stop19h 35m

Dublin

mar. 9/16

10:40 am-8:56 am

1 stop28h 16m

$524

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

mar. 11/11

6:45 pm-11:30 am

1 stop10h 45m

Shannon

jue. 11/27

7:50 am-1:50 pm

1 stop12h 00m

$535

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

lun. 8/25

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

mar. 9/2

9:30 am-11:45 am

Nonstop8h 15m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 34 results
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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 $924). 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 julio 29, 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 2% versus a flight in the morning.

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 Monday afternoons 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 julio 29, 2025.

The most flights from ORD to IE0 are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

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 julio 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines 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.
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,449 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $307. However, be on the lookout for offers from WestJet and JetBlue, 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 Air France (75%), American Airlines (58%) or Aer Lingus (58%) 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 $355. On average you can expect to pay $3,750. The most popular route, (Chicago O'Hare Intl - Dublin), can usually be booked for $404.

  • 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 $924). 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.

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Alternative routes for O'Hare Intl to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$275FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$353Average$539FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$483FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$484FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$452Average$710FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$511Average$753FlexibilityNo cancel feeOn-time71%
IberiaCheapest$512Average$738FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$523Average$679FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$835FlexibilityNo cancel feeOn-time76%

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