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.

$858+ Flights from Illinois to Knock

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Illinois to Knock

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$926 (hutchgo.com)

Provider with most accurate pricing for Chicago (CHI)-Knock Intl flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Knock Intl flights.

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From Illinois to Knock Intl

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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 April 3, 2025.

Mon 5/123:45 pmORD - NOC

2 stops14h 50mAer Lingus

Mon 5/191:05 pmNOC - ORD

2 stops35h 55mAer Lingus

Deal found 4/1

$858

Mon 5/124:55 pmORD - NOC

1 stop13h 40mMultiple Airlines

Mon 5/191:05 pmNOC - ORD

1 stop32h 50mMultiple Airlines

Deal found 4/1

$864

Sun 11/96:45 pmORD - NOC

1 stop11h 45mBritish Airways

Sun 11/161:00 pmNOC - ORD

2 stops55h 30mBritish Airways

Deal found 4/1

$898

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 April 3, 2025.

Sat 5/178:25 pmORD - NOC

2 stops34h 10mBritish Airways

Sat 5/241:05 pmNOC - ORD

2 stops34h 24mBritish Airways

Deal found 4/2

$926

Sat 4/269:15 pmORD - NOC

2 stops33h 20mAer Lingus

Mon 5/51:05 pmNOC - ORD

2 stops30h 55mAer Lingus

Deal found 4/2

$1,157

Sat 5/178:40 amORD - NOC

3 stops26h 55mMultiple Airlines

Sat 5/249:50 amNOC - ORD

3 stops41h 25mMultiple Airlines

Deal found 4/2

$1,195

Last-minute flights from Illinois to Knock
Discover last-minute flight deals from Illinois to Knock. Data last updated April 3, 2025 and is based on user searches.

Mon 5/123:45 pmORD - NOC

2 stops14h 50mAer Lingus

Mon 5/191:05 pmNOC - ORD

2 stops35h 55mAer Lingus

Deal found 4/1

$858

Mon 5/124:55 pmORD - NOC

1 stop13h 40mMultiple Airlines

Mon 5/191:05 pmNOC - ORD

1 stop32h 50mMultiple Airlines

Deal found 4/1

$864

Sat 5/178:25 pmORD - NOC

2 stops34h 10mBritish Airways

Sat 5/241:05 pmNOC - ORD

2 stops34h 24mBritish Airways

Deal found 4/2

$926

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 5/12

3:45 pm-12:35 pm

2 stops14h 50m

Knock Intl

Mon 5/19

1:05 pm-7:00 pm

2 stops35h 55m

$858

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 5/12

4:55 pm-12:35 pm

1 stop13h 40m

Knock Intl

Mon 5/19

1:05 pm-3:55 pm

1 stop32h 50m

$864

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 5/17

8:25 pm-12:35 pm

2 stops34h 10m

Knock Intl

Sat 5/24

1:05 pm-5:29 pm

2 stops34h 24m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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.

Reviews of airlines servicing Knock

Aer Lingus

7.0

Good

1,059 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

Aer Lingus

7.0

Good

1,059 reviews

Aer Lingus

7.0

Good

1,059 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

British Airways

6.6

Okay

6,718 reviews

Aer Lingus

7.0

Good

1,059 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

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.
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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$858+ 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 5/12. 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 April 3, 2025.

Most accurate provider

Most trusted provider

Round-trip 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 April 3, 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 April 3, 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

Reviews of airlines servicing Knock

Get insights into the airlines that provide service to Knock. 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 Knock. Reviews last updated April 3, 2025.

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?

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.

100% Free

Book with Flexibility

Travel Smart

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 April 3, 2025.