How long is the flight from Illinois to Knock?

There are many flights that can get you from Illinois to Knock in 11h 40m. Fly via British Airways to get the fastest option. Airlines will cover a distance of 3551 mi.

What is the cheapest time of day to fly from IL to NOC?

When flying from Illinois to Knock, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$393+ Cheap Flights from Illinois to Knock

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Cheap flight deals from Illinois to Knock

Round-trip from	$910 (KAYAK)
One-way from	$393 (Kiwi.com)

From Illinois to Knock Intl

Search Deals

One-way flight from Illinois to Knock Intl

Search Deals

Find 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 August 18, 2025.

Tue 9/302:08 pmORD - NOC

2 stops16h 27mMultiple Airlines

Tue 10/71:05 pmNOC - ORD

2 stops24h 53mMultiple Airlines

Deal found 8/16

$897

Sun 11/96:45 pmORD - NOC

1 stop11h 40mBritish Airways

Sun 11/161:00 pmNOC - ORD

1 stop30h 50mBritish Airways

Deal found 8/17

$910

Fri 8/2910:35 pmORD - NOC

1 stop32h 00mBritish Airways

Sun 9/71:05 pmNOC - ORD

1 stop28h 45mBritish Airways

Deal found 8/17

$1,972

Best flights from Illinois to Knock
Discover carefully curated flight deals from Illinois to Knock that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Tue 9/302:08 pmORD - NOC

2 stops16h 27mMultiple Airlines

Tue 10/71:05 pmNOC - ORD

2 stops24h 53mMultiple Airlines

Deal found 8/16

$897

Sun 11/96:45 pmORD - NOC

1 stop11h 40mBritish Airways

Sun 11/161:00 pmNOC - ORD

1 stop30h 50mBritish Airways

Deal found 8/16

$910

Fri 8/295:40 pmORD - NOC

1 stop12h 55mBritish Airways

Sun 9/71:05 pmNOC - ORD

1 stop33h 55mBritish Airways

Deal found 8/16

$1,972

Last-minute flights from Illinois to Knock
Discover last-minute flight deals from Illinois to Knock. Data last updated August 18, 2025 and is based on user searches.

Fri 8/2910:35 pmORD - NOC

1 stop32h 00mBritish Airways

Sun 9/71:05 pmNOC - ORD

1 stop28h 45mBritish Airways

Deal found 8/17

$1,972

Tue 9/302:08 pmORD - NOC

2 stops16h 27mMultiple Airlines

Tue 10/71:05 pmNOC - ORD

2 stops24h 53mMultiple Airlines

Deal found 8/16

$897

One-way flights from Illinois to Knock
Search for one-way flight options from Illinois to Knock. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Sat 2/148:20 pmORD - NOC

3 stops38h 30mMultiple Airlines

Deal found 8/17

$393

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 9/30

2:08 pm-12:35 pm

2 stops16h 27m

Knock Intl

Tue 10/7

1:05 pm-7:58 am

2 stops24h 53m

$897

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 11/9

6:45 pm-12:25 pm

1 stop11h 40m

Knock Intl

Sun 11/16

1:00 pm-1:50 pm

1 stop30h 50m

$910

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/29

5:40 pm-12:35 pm

1 stop12h 55m

Knock Intl

Sun 9/7

1:05 pm-5:00 pm

1 stop33h 55m

$1,972

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 2/14

8:20 pm-4:50 pm

3 stops38h 30m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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

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 11h 40m. 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

Browse thousands of different options on Cheapflights for your next trip

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$393+ Cheap flights from Illinois to Knock (NOC)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Knock with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Knock

Keep the following information in mind while searching for Illinois to Knock flight deals. Data was last updated August 18, 2025.

Round-trip from

One-way from

Find flight deals from Illinois to Knock

Cheapest flights from Illinois to KnockExplore 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 August 18, 2025.

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 August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Knock that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Knock

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?

How long is the flight from Illinois to Knock?

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

How can I find direct flights from Illinois to Knock?

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

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 Knock

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

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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 August 18, 2025.