How does KAYAK find such low prices on flights from Illinois to Knock?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Knock. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Knock?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knock from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Knock?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knock with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Knock?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knock from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$528 CHEAP FLIGHTS from Illinois to Knock

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Cheap Flights from Illinois to Knock

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Knock that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Knock

Tue, Jul 29 - Tue, Aug 5

3:45 pm - 12:35 pmORD-NOC

14h 50m2 stops

1:05 pm - 2:00 pmNOC-ORD

30h 55m2 stops

$898Aer Lingus

Find Deal

Tue, Jul 29 - Tue, Aug 5

3:45 pm - 12:35 pmORD-NOC

14h 50m2 stops

1:05 pm - 2:00 pmNOC-ORD

30h 55m2 stops

$900Aer Lingus

Find Deal

Tue, Jul 29 - Tue, Aug 5

3:45 pm - 12:35 pmORD-NOC

14h 50m2 stops

1:05 pm - 2:00 pmNOC-ORD

30h 55m2 stops

$914Aer Lingus

Find Deal

Sun, Nov 9 - Sun, Nov 16

6:45 pm - 12:20 pmORD-NOC

11h 35m1 stop

1:00 pm - 1:55 pmNOC-ORD

30h 55m1 stop

$936British Airways

Find Deal

Tue, Jul 29 - Tue, Aug 5

3:45 pm - 12:35 pmORD-NOC

14h 50m2 stops

1:05 pm - 2:00 pmNOC-ORD

30h 55m2 stops

$950Aer Lingus

Find Deal

Thu, Jul 17 - Fri, Jul 25

1:01 pm - 12:35 pmORD-NOC

17h 34m2 stops

1:05 pm - 9:09 amNOC-ORD

26h 04m2 stops

$964

Find Deal

Tue, Jul 29 - Tue, Aug 5

4:55 pm - 12:35 pmORD-NOC

13h 40m1 stop

1:05 pm - 3:55 pmNOC-ORD

32h 50m1 stop

$1,015

Find Deal

Wed, Jul 30 - Wed, Aug 6

2:10 pm - 12:35 pmORD-NOC

16h 25m2 stops

1:05 pm - 6:07 pmNOC-ORD

35h 02m2 stops

$1,024

Find Deal

Sun, Sep 21 - Wed, Oct 1

7:15 pm - 12:35 pmORD-NOC

11h 20m1 stop

1:05 pm - 1:55 pmNOC-ORD

30h 50m1 stop

$1,046British Airways

Find Deal

Tue, Jul 29 - Tue, Aug 5

4:55 pm - 12:35 pmORD-NOC

13h 40m1 stop

1:05 pm - 9:18 amNOC-ORD

26h 13m2 stops

$1,068British Airways

Find Deal

Useful Info

Cheapest flight	$528

Flight from Chicago to Knock

How does KAYAK find such low prices on flights from Illinois to Knock?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Knock.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Knock?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knock from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Knock?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knock with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Knock?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knock from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Knock

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Knock

Knock (NOC)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

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$528 Find Cheap Flights from Illinois to Knock

KAYAK searches hundreds of travel sites at once for deals on flights to Knock

Cheap Flights from Illinois to Knock

Recent round-trip flight deals from Illinois to Knock

Recent one-way flight deals from Illinois to Knock

Good to know

FAQs for booking flights from Illinois to Knock

How does KAYAK find such low prices on flights from Illinois to Knock?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Knock.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Knock?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knock from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Knock?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knock with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Knock?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knock from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Knock

Information on the airport you'll fly into in Knock

Cabin class types available on flights to Illinois

Complete your trip to Knock with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Knock

Choose which airport to fly into in Knock