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$220+ Cheap flights from Chicago (CHI) 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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Find flight deals from Chicago to Ireland

Cheapest flights from Chicago to Ireland
Explore the most affordable flight options available from Chicago to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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.
dom. 12/79:34 amMDW - DUB
2 stops17h 46mDelta
mié. 12/179:45 amDUB - MDW
1 stop12h 49mDelta
Deal found 11/25$438
This Delta deal was found by Cheapflights users on 11/25. 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. 12/22:30 pmORD - DUB
2 stops12h 50mDelta
mar. 12/910:45 amDUB - ORD
2 stops17h 58mDelta
Deal found 11/25$438
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
mar. 12/26:30 pmORD - DUB
1 stop9h 45mIcelandair
mar. 12/911:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 11/25$442
This oojo deal was found by Cheapflights users on 11/24. 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. 12/58:15 pmORD - DUB
1 stop21h 05mTAP AIR PORTUGAL
mar. 12/94:55 pmDUB - ORD
1 stop28h 05mTAP AIR PORTUGAL
Deal found 11/24$445
This oojo deal was found by Cheapflights users on 11/24. 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. 11/288:15 pmORD - DUB
1 stop21h 05mTAP AIR PORTUGAL
jue. 12/44:25 amDUB - ORD
1 stop17h 00mTAP AIR PORTUGAL
Deal found 11/24$448
This United Airlines deal was found by Cheapflights users on 11/24. 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
mié. 1/149:00 amDUB - ORD
2 stops35h 49mUnited Airlines
Deal found 11/24$451
This Delta deal was found by Cheapflights users on 11/26. 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.
dom. 12/73:50 pmORD - DUB
1 stop11h 30mDelta
mar. 12/168:45 amDUB - ORD
2 stops19h 02mDelta
Deal found 11/26$452
This Delta deal was found by Cheapflights users on 11/25. 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.
mié. 12/310:36 amORD - DUB
2 stops15h 14mDelta
mié. 12/109:45 amDUB - ORD
1 stop13h 03mDelta
Deal found 11/25$453
This oojo deal was found by Cheapflights users on 11/24. 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. 11/287:20 pmORD - DUB
1 stop32h 05mScandinavian Airlines
mié. 12/37:05 pmDUB - ORD
1 stop27h 40mScandinavian Airlines
Deal found 11/24$455
This Delta deal was found by Cheapflights users on 11/25. 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.
mié. 12/34:25 pmORD - DUB
1 stop17h 55mDelta
vie. 12/1211:30 amDUB - ORD
2 stops17h 00mDelta
Deal found 11/25$456
This Trip.com deal was found by Cheapflights users on 11/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/710:49 amMDW - DUB
1 stop14h 56mAir France
mar. 12/169:45 amDUB - MDW
1 stop14h 33mAir France
Deal found 11/26$457
This Delta deal was found by Cheapflights users on 11/25. 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.
mié. 12/34:25 pmORD - DUB
1 stop14h 15mDelta
mar. 12/910:45 amDUB - ORD
1 stop16h 54mDelta
Deal found 11/25$459

Cheap flight deals from Chicago to Ireland

Keep the following information in mind while searching for Chicago to Ireland flight deals. Data was last updated noviembre 26, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$419
(American Airlines)

One-way from

$220
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$617

Good round-trip deal

$591 or less

Good one-way deal

$421 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 (CHI) to Ireland
Search Deals
One-way flight from Chicago (CHI) 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 November 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Ireland.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Ireland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 noviembre 26, 2025.
Use the filters below to find and compare flights from Chicago to Ireland that are best for you.

Fly from

Chicago

Fly to

Ireland

Route

Depart

Return

Price

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

dom. 1/11

8:45 pm-3:25 pm

1 stop12h 40m

Cork

mar. 1/27

7:40 am-5:00 pm

1 stop15h 20m

$420

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mié. 2/25

10:53 am-8:45 am

2 stops15h 52m

Dublin

mar. 3/3

9:45 am-5:45 pm

1 stop14h 00m

$438

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

dom. 12/7

9:34 am-9:20 am

2 stops17h 46m

Dublin

mié. 12/17

9:45 am-4:34 pm

1 stop12h 49m

$438

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mié. 4/22

1:05 pm-9:15 am

2 stops14h 10m

Dublin

jue. 4/30

10:00 am-6:05 pm

1 stop14h 05m

$442

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mié. 4/1

9:32 am-7:55 am

2 stops16h 23m

Dublin

vie. 4/10

10:00 am-6:40 pm

1 stop14h 40m

$442

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 1/24

7:20 pm-11:45 am

1 stop34h 25m

Dublin

vie. 1/30

7:05 pm-4:45 pm

1 stop27h 40m

$443

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 1/19

12:38 pm-7:30 am

2 stops12h 52m

Dublin

mié. 1/28

9:00 am-3:10 pm

1 stop12h 10m

$463

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 12/28

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

vie. 1/16

9:00 am-6:50 pm

1 stop15h 50m

$464

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 2/23

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

mié. 3/11

8:00 am-3:10 pm

1 stop12h 10m

$464

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 1/19

7:10 am-8:45 am

1 stop19h 35m

Dublin

vie. 1/30

5:55 am-2:20 pm

1 stop14h 25m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Chicago 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 to Ireland

What is the cheapest month to book a flight from Chicago to Ireland?

Currently, January is the cheapest month in which you can book a flight from Chicago to Ireland (average of $377). Flying from Chicago to Ireland in June is currently the most expensive (average of $678). 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 CHI to IE?

Find hourly flight availability from Chicago 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 noviembre 26, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Chicago to Ireland by exploring options for tickets at noon.

What is the cheapest day to fly from Chicago to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Ireland flight should consider departing on Saturday mornings 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 to Ireland

Explore weekly flight availability from Chicago 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 noviembre 26, 2025.

The most flights from CHI to IE0 are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 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 157 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, Air Antilles have had the lowest number of delays on this route, with no flights being classified as 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 noviembre 26, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from Chicago to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,049 reviews
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,039 reviews
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,382 reviews
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Icelandair
7.0
Good
581 reviews
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,036 reviews
United Airlines
7.4
Good
9,049 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 to Ireland?

    American Airlines, Delta, and Scandinavian Airlines can get you from Chicago to Ireland in just under 12h 40m. Your travel time can differ by up to 21h 45m. The distance from Chicago to Ireland is about 3617 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Chicago to Ireland?

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

  • What are the most reliable airlines from Chicago to Ireland?

    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 Chicago to Ireland on time: Alaska Airlines (75%), Finnair (75%), Aer Lingus (73%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $3,357, our data shows the cheapest flight currently is $369. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $349 for that flight.

  • Can I find deals for flights from Chicago to Ireland that include hotel bookings?

    Yes. In addition to deals on Chicago to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Ireland?

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

  • Can I find deals for business class flights from Chicago to Ireland?

    Yes. Cheapflights offers flight deals from Chicago 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 to Ireland?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Ireland (average of $377). Flying from Chicago to Ireland in June is currently the most expensive (average of $678). 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

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Alternative routes for Chicago 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 Chicago to Ireland

Discover the top 10 airlines that operate flights from Chicago 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$557FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$346Average$542FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$517FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$473FlexibilityNo cancel feeOn-time77%
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$476Average$744FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$484Average$717FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$687FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$518Average$808FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$523Average$687FlexibilityNo cancel feeOn-time67%

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