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Knock

$698+ Cheap flights from Illinois to Knock (NOC)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — NOC
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap flight deals from Illinois to Knock

Cheapest flights from Illinois to Knock
Explore the most affordable flight options available from Illinois to Knock. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This oojo deal was found by Cheapflights users on 2/6. 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 2/179:00 pm
ORD
-
NOC
2 stops33h 25m
Aer Lingus
Tue 2/241:00 pm
NOC
-
ORD
2 stops36h 15m
Aer Lingus
Deal found 2/6$698
This oojo deal was found by Cheapflights users on 2/8. 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.
Wed 3/254:50 pm
ORD
-
NOC
2 stops14h 35m
Multiple Airlines
Wed 4/11:05 pm
NOC
-
ORD
1 stop29h 20m
Multiple Airlines
Deal found 2/8$720
This oojo deal was found by Cheapflights users on 2/5. 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.
Mon 3/233:16 pm
ORD
-
NOC
2 stops16h 09m
British Airways
Mon 3/301:05 pm
NOC
-
ORD
1 stop29h 20m
British Airways
Deal found 2/5$721
This oojo deal was found by Cheapflights users on 2/8. 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.
Wed 3/254:21 pm
ORD
-
NOC
2 stops15h 04m
British Airways
Wed 4/11:05 pm
NOC
-
ORD
2 stops17h 01m
British Airways
Deal found 2/8$723
This Ovago deal was found by Cheapflights users on 2/5. 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 3/236:45 pm
ORD
-
NOC
1 stop12h 40m
Multiple Airlines
Mon 3/301:05 pm
NOC
-
ORD
1 stop34h 15m
Multiple Airlines
Deal found 2/5$777
This oojo deal was found by Cheapflights users on 2/8. 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 2/2711:45 am
ORD
-
NOC
2 stops18h 40m
British Airways
Fri 3/61:00 pm
NOC
-
ORD
2 stops35h 00m
British Airways
Deal found 2/8$885
This oojo deal was found by Cheapflights users on 2/6. 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 2/179:45 pm
ORD
-
NOC
1 stop32h 40m
British Airways
Tue 2/241:00 pm
NOC
-
ORD
2 stops36h 15m
British Airways
Deal found 2/6$895
This oojo deal was found by Cheapflights users on 2/6. 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 2/179:45 pm
ORD
-
NOC
1 stop32h 40m
Multiple Airlines
Tue 2/241:00 pm
NOC
-
ORD
1 stop32h 25m
Multiple Airlines
Deal found 2/6$913
This oojo deal was found by Cheapflights users on 2/8. 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 2/2711:45 am
ORD
-
NOC
2 stops18h 40m
Multiple Airlines
Fri 3/61:00 pm
NOC
-
ORD
1 stop34h 00m
Multiple Airlines
Deal found 2/8$922

Find flight deals from Illinois to Knock

Keep the following information in mind while searching for Illinois to Knock flight deals. Data was last updated February 9, 2026.

Round-trip from

$720
(oojo)
From Illinois to Knock Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Knock 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 9, 2026.
Use the filters below to find and compare flights from Illinois to Knock that are best for you.

Fly from

Illinois

Fly to

Knock

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/25

4:50 pm-12:25 pm

2 stops14h 35m

Knock Intl

Wed 4/1

1:05 pm-12:25 pm

1 stop29h 20m

$720

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 3/23

3:16 pm-12:25 pm

2 stops16h 09m

Knock Intl

Mon 3/30

1:05 pm-12:25 pm

1 stop29h 20m

$721

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/25

4:21 pm-12:25 pm

2 stops15h 04m

Knock Intl

Wed 4/1

1:05 pm-12:06 am

2 stops17h 01m

$723

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 3/23

6:45 pm-12:25 pm

1 stop12h 40m

Knock Intl

Mon 3/30

1:05 pm-5:20 pm

1 stop34h 15m

$777

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

11:45 am-12:25 pm

2 stops18h 40m

Knock Intl

Fri 3/6

1:00 pm-6:00 pm

2 stops35h 00m

$885

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

11:45 am-12:25 pm

2 stops18h 40m

Knock Intl

Fri 3/6

1:00 pm-5:00 pm

1 stop34h 00m

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Best time to book a flight from Illinois to Knock

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

    For a flight from Illinois to Knock, you will be flying into Knock Intl. Knock Intl (NOC) is just 9.2 mi from the center of the city.

  • How long is the flight from Illinois to Knock?

    There are many flights that can get you from Illinois to Knock in 16h 09m. Fly via British Airways to get the fastest option. Airlines will cover a distance of 3551 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Knock 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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