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Cork

$458+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$615
(American Airlines)

One-way from

$458
(Air France)

Popular in

June

Cheapest in

March

Average price

$1,006
From Illinois to Cork
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One-way flight from Illinois to Cork
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Highest demand for flights based on searches. 14% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/2910:00 amSTL - ORK
2 stops18h 45mAmerican Airlines
Mon 8/117:20 amORK - STL
2 stops19h 02mAmerican Airlines
Deal found 6/12$615
This KLM deal was found by Cheapflights users on 6/11. 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 9/105:10 pmORD - ORK
1 stop15h 30mKLM
Mon 11/106:00 amORK - ORD
1 stop14h 30mKLM
Deal found 6/11$624
This Delta deal was found by Cheapflights users on 6/11. 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 9/1010:15 amORD - ORK
2 stops22h 25mDelta
Mon 11/106:00 amORK - ORD
1 stop14h 30mDelta
Deal found 6/11$629
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/57:10 pmORD - ORK
1 stop18h 40mAmerican Airlines
Fri 8/157:20 amORK - ORD
1 stop12h 30mAmerican Airlines
Deal found 6/12$664
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/910:00 amORD - ORK
2 stops29h 45mMultiple Airlines
Tue 9/165:55 amORK - ORD
2 stops17h 38mMultiple Airlines
Deal found 6/11$693
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 12/139:30 amMDW - ORK
2 stops23h 30mDelta
Tue 12/231:25 pmORK - MDW
2 stops34h 12mDelta
Deal found 6/10$697
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Mon 7/213:50 pmORD - ORK
2 stops17h 25mAir Canada
Mon 7/288:30 pmORK - ORD
2 stops31h 35mAir Canada
Deal found 6/10$771
This Ovago deal was found by Cheapflights users on 6/11. 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.
Mon 7/77:38 pmSTL - ORK
2 stops22h 07mBritish Airways
Fri 7/188:30 pmORK - STL
2 stops28h 03mBritish Airways
Deal found 6/11$817
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:50 pmORD - ORK
2 stops18h 35mBritish Airways
Mon 12/225:35 pmORK - ORD
1 stop27h 50mBritish Airways
Deal found 6/12$869
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/102:20 pmORD - ORK
1 stop19h 40mSWISS
Tue 7/151:50 pmORK - ORD
1 stop32h 05mSWISS
Deal found 6/11$936
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:30 pmORD - ORK
1 stop11h 55mLufthansa
Wed 7/95:10 pmORK - ORD
1 stop25h 45mLufthansa
Deal found 6/10$987
This Air France deal was found by Cheapflights users on 6/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:20 pmMDW - ORK
2 stops14h 40mMultiple Airlines
Thu 7/316:00 amORK - MDW
2 stops17h 39mMultiple Airlines
Deal found 6/11$1,214

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 June 12, 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

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Tue 7/29

10:00 am-10:45 am

2 stops18h 45m

Cork

Mon 8/11

7:20 am-8:22 pm

2 stops19h 02m

$615

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 9/10

5:10 pm-2:40 pm

1 stop15h 30m

Cork

Mon 11/10

6:00 am-2:30 pm

1 stop14h 30m

$624

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 9/10

10:15 am-2:40 pm

2 stops22h 25m

Cork

Mon 11/10

6:00 am-2:30 pm

1 stop14h 30m

$629

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Tue 8/5

7:10 pm-7:50 pm

1 stop18h 40m

Cork

Fri 8/15

7:20 am-1:50 pm

1 stop12h 30m

$664

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 7/9

10:00 am-9:45 pm

2 stops29h 45m

Cork

Tue 9/16

5:55 am-5:33 pm

2 stops17h 38m

$693

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 7/21

3:50 pm-3:15 pm

2 stops17h 25m

Cork

Mon 7/28

8:30 pm-10:05 pm

2 stops31h 35m

$771

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Mon 7/7

7:38 pm-11:45 pm

2 stops22h 07m

Cork

Fri 7/18

8:30 pm-6:33 pm

2 stops28h 03m

$817

ChicagoCork

MDW - ORK

MDWORK

Chicago Midway

Fri 8/22

10:11 am-10:15 am

2 stops18h 04m

Cork

Mon 9/1

6:00 am-6:37 pm

2 stops18h 37m

$893

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Thu 7/10

2:20 pm-4:00 pm

1 stop19h 40m

Cork

Tue 7/15

1:50 pm-3:55 pm

1 stop32h 05m

$936

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Tue 7/1

10:30 pm-4:25 pm

1 stop11h 55m

Cork

Wed 7/9

5:10 pm-12:55 pm

1 stop25h 45m

$987

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 results
1
2

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 June 12, 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.

Rainfall in Cork by month

Plan your trip to Cork by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cork ranges from 2.4 - 4.7 inches per month. January is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Cork when rainfall is around 2.4 in.

Temperature in Cork by month

Plan your trip to Cork by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cork, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 June 12, 2025.
To help decide which airline to fly from Illinois to Cork, see what other customers have to say about Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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 Air France ($458), American Airlines ($461), and Delta ($463).

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

    Most travelers choose Chicago O'Hare Intl - Cork, Lambert-St Louis - Cork or Chicago Midway - 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$528Average$667FlexibilityNo cancel feeOn-time71%

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