HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cork

$281+ Cheap flights from Illinois to Cork (ORK)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORK
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Cork 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 Illinois to Cork

Keep the following information in mind while searching for Illinois to Cork flight deals. Data was last updated July 31, 2025.

Round-trip from

$660
(American Airlines)

One-way from

$281
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$1,005
From Illinois to Cork
Search Deals
One-way flight from Illinois to Cork
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Illinois to Cork

Cheapest flights from Illinois to Cork
Explore the most affordable flight options available from Illinois to Cork. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/105:40 pmORD - ORK
1 stop20h 10mAmerican Airlines
Fri 9/197:20 amORK - ORD
1 stop12h 30mAmerican Airlines
Deal found 7/30$660
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:40 pmORD - ORK
1 stop23h 45mMultiple Airlines
Tue 10/213:25 pmORK - ORD
1 stop29h 35mMultiple Airlines
Deal found 7/31$675
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/148:03 pmSTL - ORK
2 stops17h 47mAmerican Airlines
Sun 9/217:20 amORK - STL
2 stops18h 00mAmerican Airlines
Deal found 7/31$688
This Delta deal was found by Cheapflights users on 7/30. 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.
Wed 8/135:10 pmORD - ORK
1 stop15h 50mDelta
Fri 8/223:45 pmORK - ORD
1 stop29h 15mDelta
Deal found 7/30$707
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:31 pmORD - ORK
2 stops15h 09mAir France
Tue 9/303:25 pmORK - ORD
1 stop29h 35mAir France
Deal found 7/31$729
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:10 pmORD - ORK
1 stop15h 30mKLM
Fri 9/266:00 amORK - ORD
1 stop14h 10mKLM
Deal found 7/30$731
This Delta deal was found by Cheapflights users on 7/30. 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.
Wed 12/39:20 amMDW - ORK
2 stops32h 05mDelta
Sun 12/73:40 pmORK - MDW
2 stops30h 43mDelta
Deal found 7/30$746
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:00 pmMDW - ORK
2 stops28h 25mKLM
Sun 12/73:40 pmORK - MDW
2 stops36h 04mKLM
Deal found 7/29$799
This Ovago deal was found by Cheapflights users on 7/31. 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.
Thu 9/2510:30 pmORD - ORK
1 stop11h 55mLufthansa
Mon 9/295:10 pmORK - ORD
1 stop25h 45mLufthansa
Deal found 7/31$855
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Wed 9/1710:40 amORD - ORK
2 stops22h 35mAir Canada
Fri 9/2611:45 amORK - ORD
2 stops14h 26mAir Canada
Deal found 7/30$886
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Sun 11/304:05 pmSTL - ORK
2 stops17h 20mAir Canada
Mon 12/157:40 amORK - STL
3 stops20h 00mAir Canada
Deal found 7/30$907
This Expedia deal was found by Cheapflights users on 7/31. 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.
Sun 9/143:30 pmSTL - ORK
1 stop18h 55mLufthansa
Sun 9/215:10 pmORK - STL
2 stops52h 34mLufthansa
Deal found 7/31$927

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Cork 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 July 31, 2025.
Use the filters below to find and compare flights from Illinois to Cork that are best for you.

Fly from

Illinois

Fly to

Cork

Route

Depart

Return

Price

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 8/25

2:20 pm-1:05 pm

1 stop16h 45m

Cork

Mon 9/8

5:10 pm-7:55 pm

1 stop32h 45m

$625

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 9/10

5:40 pm-7:50 pm

1 stop20h 10m

Cork

Fri 9/19

7:20 am-1:50 pm

1 stop12h 30m

$660

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 8/17

10:30 pm-4:25 pm

1 stop11h 55m

Cork

Mon 8/25

5:10 pm-12:55 pm

1 stop25h 45m

$663

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Sun 9/14

8:03 pm-7:50 pm

2 stops17h 47m

Cork

Sun 9/21

7:20 am-7:20 pm

2 stops18h 00m

$688

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 8/13

5:10 pm-3:00 pm

1 stop15h 50m

Cork

Fri 8/22

3:45 pm-3:00 pm

1 stop29h 15m

$707

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 9/22

5:31 pm-2:40 pm

2 stops15h 09m

Cork

Tue 9/30

3:25 pm-3:00 pm

1 stop29h 35m

$729

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 9/17

5:10 pm-2:40 pm

1 stop15h 30m

Cork

Fri 9/26

6:00 am-2:10 pm

1 stop14h 10m

$731

ChicagoCork

MDW - ORK

MDWORK

Chicago Midway

Fri 10/17

6:23 pm-10:25 pm

2 stops22h 02m

Cork

Sun 11/2

5:00 am-6:25 pm

2 stops18h 25m

$775

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 9/17

10:40 am-3:15 pm

2 stops22h 35m

Cork

Fri 9/26

11:45 am-8:11 pm

2 stops14h 26m

$886

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Sun 11/30

4:05 pm-3:25 pm

2 stops17h 20m

Cork

Mon 12/15

7:40 am-9:40 pm

3 stops20h 00m

$907

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Illinois to Cork

Have a flexible travel schedule? Discover the best time to fly to Cork from Illinois 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 Illinois to Cork

What is the cheapest month to book a flight from Illinois to Cork?

Currently, November is the cheapest month in which you can book a flight from Illinois to Cork (average of $644). Flying from Illinois to Cork in June is currently the most expensive (average of $1,279). 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 IL to ORK?

Find hourly flight availability from Illinois to Cork. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Cork as you normally would.

Reviews of airlines servicing Cork

Get insights into the airlines that provide service to Cork. 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 Cork. Reviews last updated July 31, 2025.
See what other customers who have flown with Delta, KLM, and Air France from Illinois to Cork have to say. 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
7,981 reviews

Food

7.3

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Overall

8.0

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
7,981 reviews

Food

7.3

Overall

8.0

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Overall

8.0

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
7,981 reviews

Food

7.3

Overall

8.0

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!
Air Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Overall

8.0

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 Illinois to Cork. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cork from Illinois?

    For a flight from Illinois to Cork, you will be flying into Cork. Cork (ORK) is just 4.0 mi from the center of the city.

  • What are the cheapest airlines to fly from Illinois to Cork one-way?

    The cheapest airlines for a one-way flight from Illinois to Cork are KLM ($455), American Airlines ($462), and Delta ($463).

  • What are the most popular routes from Illinois to Cork?

    Most travelers choose Chicago O'Hare Intl - Cork, Chicago Midway - Cork or Lambert-St Louis - Cork when deciding on the best route from Illinois to Cork.

  • Can I find deals for flights from Illinois to Cork that include hotel bookings?

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

  • How can I find direct flights from Illinois to Cork?

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

  • Can I find deals for business class flights from Illinois to Cork?

    Yes. Cheapflights offers flight deals from Illinois to Cork 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 Illinois to Cork?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Cork (average of $644). Flying from Illinois to Cork in June is currently the most expensive (average of $1,279). 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 Illinois to Cork

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dublin flights
Newark to Dublin flights
Boston to Dublin flights
O'Hare Intl to Dublin flights
Dulles Intl to Dublin flights
Seattle to Dublin flights
Minneapolis to Dublin flights
Los Angeles to Dublin flights
Philadelphia to Dublin flights
LaGuardia to Dublin flights
Dallas/Fort Worth to Dublin flights
Baltimore to Dublin flights
San Francisco to Dublin flights
Reagan-National to Dublin flights
Denver to Dublin flights
Cleveland to Dublin flights
Atlanta to Dublin flights
Midway to Dublin flights
Newark to Shannon flights
Orlando to Dublin flights
John F Kennedy Intl to Shannon flights
Love Field to Dublin flights
Charlotte to Dublin flights
Boston to Shannon flights
Detroit to Dublin flights
Portland to Dublin flights
Indianapolis to Dublin flights
Nashville to Dublin flights
Hobby to Dublin flights
Pittsburgh to Dublin flights
Cincinnati to Dublin flights
Raleigh to Dublin flights
Kansas City to Dublin flights
Hartford to Dublin flights
LaGuardia to Shannon flights
Austin to Dublin flights
Ontario to Dublin flights
Miami to Dublin flights
Tampa to Dublin flights
George Bush Intcntl to Dublin flights
Santa Ana to Dublin flights
San Diego to Dublin flights
St. Louis to Dublin flights
San Jose to Dublin flights
Burbank to Dublin flights
Sky Harbor Intl to Dublin flights
Oakland to Dublin flights
Stewart to Dublin flights
Dayton to Dublin flights
Jacksonville to Dublin flights

Top airline flying from Illinois to Cork

Discover the top airline that operate flights from Illinois to Cork. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$534Average$680FlexibilityNo cancel feeOn-time71%

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.