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Cheap flights from Illinois to Knock from €571

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 16/8. 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
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Find the cheapest flights from Illinois to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
British Airways Logo
13:05 - 12:30
NOC
-
ORD
29h 25m
1 stop
€794British Airways
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
12:40 - 12:35
ORD
-
NOC
17h 55m
2 stops
British Airways Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€801British Airways
Fri, 14 Aug - Fri, 21 Aug
Multiple Airlines Logo
14:15 - 12:35
ORD
-
NOC
16h 20m
2 stops
Multiple Airlines Logo
13:05 - 09:00
NOC
-
ORD
25h 55m
2 stops
€802Multiple Airlines
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
18:05 - 12:35
ORD
-
NOC
12h 30m
1 stop
British Airways Logo
13:05 - 10:00
NOC
-
ORD
26h 55m
2 stops
€803British Airways
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
22:30 - 12:35
ORD
-
NOC
32h 05m
1 stop
British Airways Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€804British Airways
Fri, 14 Aug - Fri, 21 Aug
Multiple Airlines Logo
16:30 - 12:35
ORD
-
NOC
14h 05m
2 stops
Multiple Airlines Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€813Multiple Airlines
Fri, 14 Aug - Fri, 21 Aug
Multiple Airlines Logo
08:40 - 12:35
ORD
-
NOC
21h 55m
2 stops
Multiple Airlines Logo
13:05 - 09:53
NOC
-
ORD
26h 48m
2 stops
€814Multiple Airlines
Fri, 14 Aug - Fri, 21 Aug
Multiple Airlines Logo
13:54 - 12:35
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
13:05 - 09:00
NOC
-
ORD
25h 55m
2 stops
€827Multiple Airlines
Fri, 14 Aug - Fri, 21 Aug
British Airways Logo
18:15 - 12:35
ORD
-
NOC
12h 20m
1 stop
British Airways Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€843British Airways
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€844Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug

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British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
12 Aug
ORD19:05Chicago O'Hare Intl
11h 30m
1 stop
NOC12:35Knock Intl
19 Aug
NOC13:05Knock Intl
29h 25m
1 stop
ORD12:30Chicago O'Hare Intl
€794
British Airways
14 Aug
ORD12:40Chicago O'Hare Intl
17h 55m
2 stops
NOC12:35Knock Intl
21 Aug
NOC13:05Knock Intl
31h 55m
1 stop
ORD15:00Chicago O'Hare Intl
€801
British Airways
12 Aug
ORD18:05Chicago O'Hare Intl
12h 30m
1 stop
NOC12:35Knock Intl
19 Aug
NOC13:05Knock Intl
26h 55m
2 stops
ORD10:00Chicago O'Hare Intl
€803

Aer Lingus flights from Illinois to Knock

Our best Aer Lingus deals on Illinois to Knock flight tickets
Aer Lingus
30 Jul
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
5 Aug
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€857
Aer Lingus
8 Jul
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
15 Jul
NOC13:05Knock Intl
50h 02m
2 stops
ORD09:07Chicago O'Hare Intl
€992

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 3 July 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 return flight

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 12/8

19:05-12:35

1 stop11h 30m

Knock Intl

Wed 19/8

13:05-12:30

1 stop29h 25m

€794

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 14/8

12:40-12:35

2 stops17h 55m

Knock Intl

Fri 21/8

13:05-15:00

1 stop31h 55m

€801

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 12/8

14:15-12:35

2 stops16h 20m

Knock Intl

Wed 19/8

13:05-09:00

2 stops25h 55m

€802
Fastest return journey

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 12/8

18:05-12:35

1 stop12h 30m

Knock Intl

Wed 19/8

13:05-10:00

2 stops26h 55m

€803

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 14/8

22:30-12:35

1 stop32h 05m

Knock Intl

Fri 21/8

13:05-15:00

1 stop31h 55m

€804

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 14/8

16:30-12:35

2 stops14h 05m

Knock Intl

Fri 21/8

13:05-15:00

1 stop31h 55m

€813

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 14/8

08:40-12:35

2 stops21h 55m

Knock Intl

Fri 21/8

13:05-09:53

2 stops26h 48m

€814

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 14/8

13:54-12:35

2 stops16h 41m

Knock Intl

Fri 21/8

13:05-09:00

2 stops25h 55m

€827

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

18:15-12:35

1 stop12h 20m

Knock Intl

Mon 31/8

13:05-11:30

2 stops28h 25m

€843

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

19:05-12:35

1 stop11h 30m

Knock Intl

Mon 31/8

13:05-11:30

2 stops28h 25m

€844

Flights are sorted by cheapest return 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

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 refresh 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence 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.

Travelling to a place near Knock?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Knock from Illinois.

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

momondo does allow users to show only those flights to Knock from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Illinois to Knock flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Illinois to Knock flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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