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$520+ Cheap flights from Cork (ORK) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORK — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Cork to Illinois

Keep the following information in mind while searching for Cork to Illinois flight deals. Data was last updated March 28, 2025.

Round-trip from

$603
(KLM)

One-way from

$542
(Cheapflightsfares)
From Cork to Illinois
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One-way flight from Cork to Illinois
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Find flight deals from Cork to Illinois

Cheapest flights from Cork to Illinois
Explore the most affordable flight options available from Cork to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This KLM deal was found by Cheapflights users on 3/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/35:10 pmORK - ORD
1 stop27h 00mKLM
Mon 4/75:10 pmORD - ORK
1 stop15h 30mKLM
Deal found 3/26$520
This Air France deal was found by Cheapflights users on 3/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:00 amORK - ORD
2 stops16h 11mMultiple Airlines
Mon 4/76:15 pmORD - ORK
2 stops14h 25mMultiple Airlines
Deal found 3/26$592
This KLM deal was found by Cheapflights users on 3/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:00 amORK - MDW
2 stops14h 17mKLM
Mon 4/76:42 pmMDW - ORK
2 stops15h 53mKLM
Deal found 3/26$597
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/176:00 amORK - ORD
1 stop14h 10mDelta
Sun 4/206:15 pmORD - ORK
2 stops16h 20mDelta
Deal found 3/27$633
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 8/297:20 amORK - ORD
1 stop12h 30mAmerican Airlines
Sun 8/312:45 pmORD - ORK
2 stops14h 00mAmerican Airlines
Deal found 3/27$651
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 4/176:00 amORK - MDW
2 stops18h 20mDelta
Sun 4/201:16 pmMDW - ORK
2 stops21h 19mDelta
Deal found 3/26$675
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Fri 8/297:20 amORK - ORD
2 stops17h 40mAer Lingus
Sun 8/313:45 pmORD - ORK
2 stops13h 00mAer Lingus
Deal found 3/27$727
This British Airways deal was found by Cheapflights users on 3/27. 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.
Thu 4/177:20 amORK - ORD
2 stops16h 20mBritish Airways
Sun 4/203:51 pmORD - ORK
2 stops12h 54mBritish Airways
Deal found 3/27$752

Cheapflights Fare Finder

Customize your flight search to find flights from Cork to Illinois 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 March 28, 2025.
Use the filters below to find and compare flights from Cork to Illinois that are best for you.

Fly from

Cork

Fly to

Illinois

Route

Depart

Return

Price

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 4/17

6:00 am-2:10 pm

1 stop14h 10m

Chicago O'Hare Intl

Sun 4/20

4:20 pm-11:30 pm

1 stop25h 10m

$558

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 4/17

6:00 am-2:10 pm

1 stop14h 10m

Chicago O'Hare Intl

Sun 4/20

6:15 pm-4:35 pm

2 stops16h 20m

$633

CorkChicago

ORK - ORD

ORKORD

Cork

Fri 8/29

7:20 am-1:50 pm

1 stop12h 30m

Chicago O'Hare Intl

Sun 8/31

2:45 pm-10:45 am

2 stops14h 00m

$651

CorkChicago

ORK - MDW

ORKMDW

Cork

Thu 4/17

6:00 am-6:20 pm

2 stops18h 20m

Chicago Midway

Sun 4/20

1:16 pm-4:35 pm

2 stops21h 19m

$675

CorkChicago

ORK - ORD

ORKORD

Cork

Fri 8/29

7:20 am-7:00 pm

2 stops17h 40m

Chicago O'Hare Intl

Sun 8/31

3:45 pm-10:45 am

2 stops13h 00m

$727

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 4/17

7:20 am-5:40 pm

2 stops16h 20m

Chicago O'Hare Intl

Sun 4/20

3:51 pm-10:45 am

2 stops12h 54m

$752

CorkChicago

ORK - ORD

ORKORD

Cork

Sun 5/11

7:20 am-1:20 pm

2 stops36h 00m

Chicago O'Hare Intl

Sun 5/18

9:35 am-10:45 am

2 stops19h 10m

$806

CorkChicago

ORK - ORD

ORKORD

Cork

Mon 7/7

8:30 pm-2:00 pm

2 stops23h 30m

$542

CorkChicago

ORK - ORD

ORKORD

Cork

Mon 7/7

7:20 am-1:50 pm

1 stop12h 30m

$767

CorkChicago

ORK - MDW

ORKMDW

Cork

Mon 7/7

6:00 am-9:47 pm

2 stops21h 47m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 results
1
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Best time to book a flight from Cork to Illinois

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated March 28, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and American Airlines from Cork to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,712 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Cork to Illinois. 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 from for flights from Cork to Illinois?

    Cork (ORK), located 4.0 mi from the city center, is the airport you fly out of when you book flights from Cork to Illinois.

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

    One-way options have recently been found by users for as low as $542 on Aer Lingus. Other airlines that offer cheap prices include British Airways from $767 and Delta from $781 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Cork to Illinois (average of $245). Flying from Cork to Illinois in March is currently the most expensive (average of $323). 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 Cork to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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