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Illinois

$535+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORK — ORD
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This KLM deal was found by Cheapflights users on 2/4. 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 3/55:15 pm
ORK
-
ORD
1 stop27h 05m
Multiple Airlines
Tue 3/105:50 pm
ORD
-
ORK
2 stops16h 10m
Multiple Airlines
Deal found 2/4$535
This KLM deal was found by Cheapflights users on 2/4. 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.
Tue 3/35:15 pm
ORK
-
ORD
1 stop27h 05m
KLM
Mon 3/96:20 pm
ORD
-
ORK
1 stop15h 40m
KLM
Deal found 2/4$536
This KLM deal was found by Cheapflights users on 2/4. 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 3/411:15 am
ORK
-
ORD
2 stops15h 29m
Multiple Airlines
Tue 3/105:50 pm
ORD
-
ORK
2 stops16h 10m
Multiple Airlines
Deal found 2/4$541
This KLM deal was found by Cheapflights users on 2/3. 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 2/166:00 am
ORK
-
ORD
1 stop14h 20m
KLM
Mon 2/234:25 pm
ORD
-
ORK
1 stop25h 00m
KLM
Deal found 2/3$542
This KLM deal was found by Cheapflights users on 2/4. 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 3/45:15 pm
ORK
-
MDW
2 stops30h 22m
KLM
Tue 3/102:05 pm
MDW
-
ORK
2 stops15h 40m
KLM
Deal found 2/4$546
This KLM deal was found by Cheapflights users on 2/2. 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 2/266:00 am
ORK
-
ORD
2 stops17h 43m
KLM
Mon 3/24:25 pm
ORD
-
ORK
1 stop18h 20m
KLM
Deal found 2/2$547
This KLM deal was found by Cheapflights users on 2/2. 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 2/266:00 am
ORK
-
MDW
2 stops17h 37m
KLM
Mon 3/21:49 pm
MDW
-
ORK
2 stops14h 56m
KLM
Deal found 2/2$547
This KLM deal was found by Cheapflights users on 2/1. 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 3/55:15 pm
ORK
-
ORD
1 stop27h 05m
KLM
Mon 3/96:20 pm
ORD
-
ORK
1 stop15h 40m
KLM
Deal found 2/1$554
This Air France deal was found by Cheapflights users on 2/4. 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.
Wed 3/43:40 pm
ORK
-
ORD
1 stop29h 30m
Air France
Tue 3/106:20 pm
ORD
-
ORK
1 stop15h 40m
Air France
Deal found 2/4$555
This Delta deal was found by Cheapflights users on 2/4. 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 3/511:15 am
ORK
-
ORD
2 stops15h 29m
Delta
Wed 3/115:50 pm
ORD
-
ORK
2 stops16h 10m
Delta
Deal found 2/4$559
This Delta deal was found by Cheapflights users on 2/1. 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 3/56:00 am
ORK
-
ORD
2 stops18h 59m
Delta
Mon 3/91:57 pm
ORD
-
ORK
2 stops20h 03m
Delta
Deal found 2/1$560
This Delta deal was found by Cheapflights users on 2/4. 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.
Tue 3/36:00 am
ORK
-
MDW
2 stops17h 37m
Delta
Mon 3/91:10 pm
MDW
-
ORK
2 stops16h 35m
Delta
Deal found 2/4$564

Find flight deals from Cork to Illinois

Keep the following information in mind while searching for Cork to Illinois flight deals. Data was last updated February 5, 2026.

Round-trip from

$535
(KLM)

One-way from

$366
(Kiwi.com)
From Cork to Illinois
Search Deals
One-way flight from Cork to Illinois
Search Deals

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 February 5, 2026.
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

Mon 2/16

6:00 am-2:20 pm

1 stop14h 20m

Chicago O'Hare Intl

Sun 2/22

5:20 pm-3:00 pm

1 stop15h 40m

$535

CorkChicago

ORK - ORD

ORKORD

Cork

Tue 3/3

5:15 pm-2:20 pm

1 stop27h 05m

Chicago O'Hare Intl

Mon 3/9

6:20 pm-3:00 pm

1 stop15h 40m

$536

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 3/5

6:00 am-5:43 pm

2 stops17h 43m

Chicago O'Hare Intl

Tue 3/10

5:50 pm-3:00 pm

2 stops16h 10m

$541

CorkChicago

ORK - ORD

ORKORD

Cork

Fri 3/6

5:15 pm-2:20 pm

1 stop27h 05m

Chicago O'Hare Intl

Wed 3/11

5:25 pm-4:45 pm

1 stop18h 20m

$541

CorkChicago

ORK - ORD

ORKORD

Cork

Mon 2/16

6:00 am-2:20 pm

1 stop14h 20m

Chicago O'Hare Intl

Mon 2/23

4:25 pm-11:25 pm

1 stop25h 00m

$542

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 3/5

6:00 am-4:41 pm

2 stops16h 41m

Chicago O'Hare Intl

Wed 3/11

5:25 pm-4:45 pm

1 stop18h 20m

$546

CorkChicago

ORK - ORD

ORKORD

Cork

Wed 3/4

5:15 pm-5:43 pm

2 stops30h 28m

Chicago O'Hare Intl

Wed 3/11

5:25 pm-11:25 pm

1 stop25h 00m

$546

CorkChicago

ORK - MDW

ORKMDW

Cork

Thu 3/5

6:00 am-5:37 pm

2 stops17h 37m

Chicago Midway

Tue 3/10

2:05 pm-10:45 am

2 stops15h 40m

$546

CorkChicago

ORK - MDW

ORKMDW

Cork

Wed 3/4

5:15 pm-5:37 pm

2 stops30h 22m

Chicago Midway

Tue 3/10

2:05 pm-10:45 am

2 stops15h 40m

$546

CorkChicago

ORK - ORD

ORKORD

Cork

Thu 2/26

6:00 am-5:43 pm

2 stops17h 43m

Chicago O'Hare Intl

Mon 3/2

4:25 pm-4:45 pm

1 stop18h 20m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 26 results
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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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Cork to Illinois?

    For as low as $542, KLM can have you in Illinois from Cork in 14h 20m. Airlines will cover a distance of 3617 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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