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Cheap flights from Illinois to Knock from $652

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Knock departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:05 pm - 12:35 pm
ORD
-
NOC
11h 30m
1 stop
British Airways Logo
1:05 pm - 12:30 pm
NOC
-
ORD
29h 25m
1 stop
$906British Airways
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
12:40 pm - 12:35 pm
ORD
-
NOC
17h 55m
2 stops
British Airways Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$914British Airways
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
2:15 pm - 12:35 pm
ORD
-
NOC
16h 20m
2 stops
Multiple Airlines Logo
1:05 pm - 9:00 am
NOC
-
ORD
25h 55m
2 stops
$915Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
6:05 pm - 12:35 pm
ORD
-
NOC
12h 30m
1 stop
British Airways Logo
1:05 pm - 10:00 am
NOC
-
ORD
26h 55m
2 stops
$917British Airways
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
10:30 pm - 12:35 pm
ORD
-
NOC
32h 05m
1 stop
British Airways Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$918British Airways
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
4:30 pm - 12:35 pm
ORD
-
NOC
14h 05m
2 stops
Multiple Airlines Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$928Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
8:40 am - 12:35 pm
ORD
-
NOC
21h 55m
2 stops
Multiple Airlines Logo
1:05 pm - 9:53 am
NOC
-
ORD
26h 48m
2 stops
$929Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
1:54 pm - 12:35 pm
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
1:05 pm - 9:00 am
NOC
-
ORD
25h 55m
2 stops
$944Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
British Airways Logo
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
British Airways Logo
1:05 pm - 11:30 am
NOC
-
ORD
28h 25m
2 stops
$962British Airways
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
7:05 pm - 12:35 pm
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
1:05 pm - 11:30 am
NOC
-
ORD
28h 25m
2 stops
$963Multiple Airlines
Mon, Aug 24 - Mon, Aug 31

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British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
Aug 12
ORD7:05 pmChicago O'Hare Intl
11h 30m
1 stop
NOC12:35 pmKnock Intl
Aug 19
NOC1:05 pmKnock Intl
29h 25m
1 stop
ORD12:30 pmChicago O'Hare Intl
$906
British Airways
Aug 14
ORD12:40 pmChicago O'Hare Intl
17h 55m
2 stops
NOC12:35 pmKnock Intl
Aug 21
NOC1:05 pmKnock Intl
31h 55m
1 stop
ORD3:00 pmChicago O'Hare Intl
$914
British Airways
Aug 12
ORD6:05 pmChicago O'Hare Intl
12h 30m
1 stop
NOC12:35 pmKnock Intl
Aug 19
NOC1:05 pmKnock Intl
26h 55m
2 stops
ORD10:00 amChicago O'Hare Intl
$917

Aer Lingus flights from Illinois to Knock

Our best Aer Lingus deals on Illinois to Knock flight tickets
Aer Lingus
Jul 30
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Aug 5
NOC1:05 pmKnock Intl
28h 25m
2 stops
ORD11:30 amChicago O'Hare Intl
$978
Aer Lingus
Jul 8
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Jul 15
NOC1:05 pmKnock Intl
50h 02m
2 stops
ORD9:07 amChicago O'Hare Intl
$1,132

momondo 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, momondo users made 832,500 searches. Data last updated July 3, 2026.
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

Cheapest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/12

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Wed 8/19

1:05 pm-12:30 pm

1 stop29h 25m

$906

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/14

12:40 pm-12:35 pm

2 stops17h 55m

Knock Intl

Fri 8/21

1:05 pm-3:00 pm

1 stop31h 55m

$914

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/12

2:15 pm-12:35 pm

2 stops16h 20m

Knock Intl

Wed 8/19

1:05 pm-9:00 am

2 stops25h 55m

$915
Quickest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/12

6:05 pm-12:35 pm

1 stop12h 30m

Knock Intl

Wed 8/19

1:05 pm-10:00 am

2 stops26h 55m

$917

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/14

10:30 pm-12:35 pm

1 stop32h 05m

Knock Intl

Fri 8/21

1:05 pm-3:00 pm

1 stop31h 55m

$918

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/14

4:30 pm-12:35 pm

2 stops14h 05m

Knock Intl

Fri 8/21

1:05 pm-3:00 pm

1 stop31h 55m

$928

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/14

8:40 am-12:35 pm

2 stops21h 55m

Knock Intl

Fri 8/21

1:05 pm-9:53 am

2 stops26h 48m

$929

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 8/14

1:54 pm-12:35 pm

2 stops16h 41m

Knock Intl

Fri 8/21

1:05 pm-9:00 am

2 stops25h 55m

$944

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-11:30 am

2 stops28h 25m

$962

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Mon 8/31

1:05 pm-11:30 am

2 stops28h 25m

$963

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Knock from

How to get the cheapest flight ticket from Illinois to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Knock Intl?

British Airways is the most popular carrier operating from Illinois to Knock Intl

What airlines fly to Knock?

United Airlines, American Airlines and Lufthansa are the top three most popular airlines that fly to Knock from Illinois according to our data. United Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Knock. Keep in mind that there are 3 different airlines that fly to Knock on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Knock

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Illinois to Knock takes 11h 30m
There are no direct flights from Illinois to Knock. There are no popular flight routes from Illinois to Knock.
Search flight deals

Frequently asked questions about flying from Illinois to Knock

  • When did momondo last update prices for flights from Illinois to Knock Intl Airport?

    Prices for flights from Illinois to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Illinois to Knock Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents you'll need for your trip to Knock Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knock Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Knock?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Knock for you.

Can I find flights from Illinois to Knock with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knock from Illinois with this policy.

How can momondo help me find flights from Illinois to Knock?

momondo provides multiple filters to help you find the best flight to Knock from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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