Ireland

$219+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Mar 26 — Apr 21
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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 February 24, 2026.

This FlightHub deal was found by Cheapflights users on 2/23. 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.
Sun 10/117:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Sun 10/2510:55 am
DUB
-
ORD
2 stops35h 50m
Scandinavian Airlines
Deal found 2/23$449
This oojo deal was found by Cheapflights users on 2/23. 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.
Tue 4/217:25 pm
ORD
-
DUB
1 stop9h 40m
Icelandair
Tue 4/282:15 pm
DUB
-
ORD
1 stop10h 00m
Icelandair
Deal found 2/23$450
This oojo deal was found by Cheapflights users on 2/24. 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.
Sun 5/37:25 pm
ORD
-
DUB
1 stop11h 50m
Icelandair
Sun 5/1012:15 pm
DUB
-
ORD
1 stop12h 00m
Icelandair
Deal found 2/24$451
This FlightHub deal was found by Cheapflights users on 2/23. 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.
Sun 9/207:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Sat 9/267:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 2/23$452
This oojo deal was found by Cheapflights users on 2/24. 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.
Fri 5/110:25 pm
ORD
-
DUB
1 stop30h 40m
Icelandair
Fri 5/812:15 pm
DUB
-
ORD
1 stop12h 00m
Icelandair
Deal found 2/24$453
This Booking.com deal was found by Cheapflights users on 2/22. 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.
Wed 11/47:20 pm
ORD
-
DUB
1 stop34h 25m
Scandinavian Airlines
Sat 11/710:05 am
DUB
-
ORD
2 stops36h 40m
Scandinavian Airlines
Deal found 2/22$455
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/137:25 pm
ORD
-
DUB
1 stop11h 50m
Icelandair
Thu 4/232:15 pm
DUB
-
ORD
1 stop10h 00m
Icelandair
Deal found 2/23$459
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/157:25 pm
ORD
-
DUB
1 stop11h 50m
Icelandair
Fri 4/2412:15 pm
DUB
-
ORD
1 stop15h 10m
Icelandair
Deal found 2/22$460
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Mon 4/208:58 am
ORD
-
DUB
2 stops17h 17m
Multiple Airlines
Tue 4/289:50 am
DUB
-
ORD
3 stops29h 20m
Multiple Airlines
Deal found 2/23$461
This Gotogate deal was found by Cheapflights users on 2/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:50 pm
ORD
-
DUB
Nonstop7h 20m
Aer Lingus
Sun 3/83:20 pm
DUB
-
ORD
Nonstop8h 35m
Aer Lingus
Deal found 2/22$462
This Cheapflightsfares deal was found by Cheapflights users on 2/23. 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 8/195:00 pm
ORD
-
DUB
1 stop10h 40m
Multiple Airlines
Wed 8/269:30 am
DUB
-
ORD
Nonstop8h 00m
Multiple Airlines
Deal found 2/23$463
This KAYAK deal was found by Cheapflights users on 2/23. 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.
Wed 4/297:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Tue 5/1912:40 pm
DUB
-
ORD
1 stop33h 30m
Scandinavian Airlines
Deal found 2/23$464

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 February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(Kiwi.com)

One-way from

$219
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$550

Good round-trip deal

$584 or less

Good one-way deal

$389 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 (CHI) to Ireland
One-way flight from Chicago (CHI) to Ireland
Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Chicago (CHI) to Ireland.
Price to beat on a one-way flight from Chicago (CHI) to Ireland.

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 February 24, 2026.
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

Mon 4/27

5:10 pm-2:40 pm

1 stop15h 30m

Cork

Wed 5/6

6:15 am-4:18 pm

2 stops16h 03m

$487

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/4

1:06 pm-9:15 am

1 stop14h 09m

Dublin

Wed 5/13

5:55 am-6:15 pm

2 stops18h 20m

$489

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 4/21

9:29 am-7:55 am

1 stop16h 26m

Dublin

Tue 4/28

10:00 am-6:36 pm

1 stop14h 36m

$492

ChicagoCork

MDW - ORK

MDWORK

Chicago Midway

Mon 3/30

1:10 pm-2:40 pm

2 stops19h 30m

Cork

Tue 4/14

6:15 am-5:58 pm

2 stops17h 43m

$492

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/29

4:50 pm-10:25 am

1 stop11h 35m

Dublin

Wed 5/6

8:55 am-7:52 pm

2 stops16h 57m

$494

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 4/20

5:04 pm-3:25 pm

2 stops16h 21m

Dublin

Tue 4/28

5:55 am-4:18 pm

2 stops16h 23m

$494

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/22

11:00 am-8:20 am

2 stops15h 20m

Dublin

Thu 4/30

5:55 am-4:18 pm

2 stops16h 23m

$498

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 4/3

9:15 pm-7:45 am

1 stop28h 30m

Dublin

Mon 4/13

8:30 pm-1:50 pm

1 stop23h 20m

$527

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Thu 4/9

4:20 pm-10:20 am

1 stop12h 00m

Cork

Thu 4/16

6:15 am-2:15 pm

1 stop14h 00m

$532

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/1

4:50 pm-12:40 pm

1 stop13h 50m

Dublin

Sun 4/12

8:55 am-2:15 pm

1 stop11h 20m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

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 $344). Flying from Chicago to Ireland in June is currently the most expensive (average of $665). 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 February 24, 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 February 24, 2026.

The most flights from CHI to IE0 are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 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?

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 February 24, 2026.
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.

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    KLM, Delta, and British Airways can get you from Chicago to Ireland in just under 14h 09m. Your travel time can differ by up to 14h 21m. 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 British Airways, 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?

  • 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: American Airlines (78%), Aer Lingus (78%), Iberia (78%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $3,094, our data shows the cheapest flight currently is $239. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $410 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 $344). Flying from Chicago to Ireland in June is currently the most expensive (average of $665). 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

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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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$568FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$274Average$518FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$344Average$518FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$469FlexibilityNo cancel feeOn-time77%
IberiaCheapest$424Average$695FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$425Average$660FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$469Average$772FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$469Average$702FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$472Average$825FlexibilityNo cancel feeOn-time76%
SWISSCheapest$473Average$770FlexibilityNo cancel feeOn-time79%

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