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$276+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap 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 April 18, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
Thu 11/57:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/1410:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/14$545
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Mon 10/268:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/14$550
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Fri 11/1312:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 4/14$551
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Tue 11/37:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sun 11/1510:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/15$558
This Trip.com deal was found by Cheapflights users on 4/14. 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.
Sun 11/227:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Thu 12/37:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 4/14$559
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 11/17:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/14$561
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 10/318:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/14$562
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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.
Sun 10/187:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Sat 10/3110:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/13$573
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Wed 10/288:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/17$578
This oojo deal was found by Cheapflights users on 4/14. 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.
Sun 10/117:15 pm
ORD
-
DUB
2 stops17h 50m
Scandinavian Airlines
Wed 10/147:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 4/14$580
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Fri 11/1312:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 4/14$581
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/13:20 pm
MDW
-
DUB
2 stops35h 00m
Multiple Airlines
Mon 6/1510:40 am
DUB
-
MDW
1 stop29h 00m
Multiple Airlines
Deal found 4/14$664

Find flight deals from Chicago to Ireland

Keep the following information in mind while searching for Chicago to Ireland flight deals. Data was last updated April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(oojo)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$595

Good round-trip deal

$735 or less

Good one-way deal

$445 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. 13% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 18, 2026.
Use the filters below to find and compare flights from Chicago to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 8/19

2:00 pm-7:55 am

1 stop11h 55m

Dublin

Wed 8/26

12:00 pm-6:05 pm

1 stop12h 05m

$712

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 9/6

5:59 pm-10:00 am

1 stop10h 01m

Dublin

Wed 9/16

10:00 am-6:31 pm

1 stop14h 31m

$712

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 8/24

5:59 pm-9:15 am

1 stop9h 16m

Dublin

Thu 9/10

12:00 pm-6:05 pm

1 stop12h 05m

$778

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 4/27

5:10 pm-2:40 pm

1 stop15h 30m

Cork

Wed 5/6

5:10 pm-2:15 pm

1 stop27h 05m

$796
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/4

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Tue 5/12

11:35 am-1:40 pm

Nonstop8h 05m

$802

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/29

1:06 pm-9:15 am

1 stop14h 09m

Dublin

Tue 5/5

8:55 am-7:52 pm

2 stops16h 57m

$808

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 5/3

2:12 pm-7:55 am

1 stop11h 43m

Dublin

Tue 5/12

8:55 am-6:33 pm

2 stops15h 38m

$808

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 4/27

6:21 pm-2:40 pm

2 stops14h 19m

Cork

Wed 5/6

6:15 am-4:42 pm

2 stops16h 27m

$810

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Fri 8/21

5:59 pm-9:15 am

1 stop9h 16m

Dublin

Sun 12/13

9:45 am-6:37 pm

2 stops14h 52m

$812

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 5/27

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Thu 6/4

9:50 am-8:05 pm

1 stop16h 15m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Chicago to Ireland (average of $340). Flying from Chicago to Ireland in November is currently the most expensive (average of $1,755). 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 April 18, 2026.

When flying from Chicago to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 18, 2026.

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

How often are flights from Chicago to Ireland delayed?

About 23% of weekly flights between Chicago and Ireland have experienced delays in the past year, with the average delay time being 156 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?

Thursday 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 20% 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 April 18, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,603 reviews
United Airlines
7.4
Good
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,512 reviews
United Airlines
7.4
Good
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,610 reviews
United Airlines
7.4
Good
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Icelandair
7.0
Good
634 reviews
United Airlines
7.4
Good
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,182 reviews
United Airlines
7.4
Good
9,603 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    Delta, KLM, and United Airlines can get you from Chicago to Ireland in just under 7h 30m. Your travel time can differ by up to 4h 25m. The distance from Chicago to Ireland is about 3661 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Chicago to Ireland one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $288. However, be on the lookout for offers from Aer Lingus and United Airlines, as they are both options that can get you from Chicago to Ireland for a low price.

  • 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: Air Canada (81%), SWISS (81%), Austrian Airlines (80%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $2,914, our data shows the cheapest flight currently is $355. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $613 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, February is the cheapest month in which you can book a flight from Chicago to Ireland (average of $340). Flying from Chicago to Ireland in November is currently the most expensive (average of $1,755). 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.

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$572FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$345Average$549FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$470FlexibilityNo cancel feeOn-time77%
IberiaCheapest$424Average$722FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$425Average$608FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$469Average$756FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$469Average$689FlexibilityNo cancel feeOn-timeN/A
Brussels AirlinesCheapest$469Average$698FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$472Average$827FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$475Average$781FlexibilityNo cancel feeOn-time69%

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