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Cheap flights from Illinois to Knock from €609

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Knock departing on 25/3. 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
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.
Multiple Airlines Logo
16:50 - 12:25
ORD
-
NOC
14h 35m
2 stops
Multiple Airlines Logo
13:05 - 12:25
NOC
-
ORD
29h 20m
1 stop
€609Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
British Airways Logo
15:16 - 12:25
ORD
-
NOC
16h 09m
2 stops
British Airways Logo
13:05 - 12:25
NOC
-
ORD
29h 20m
1 stop
€610British Airways
Mon, 23 Mar - Mon, 30 Mar
British Airways Logo
16:21 - 12:25
ORD
-
NOC
15h 04m
2 stops
British Airways Logo
13:05 - 00:06
NOC
-
ORD
17h 01m
2 stops
€612British Airways
Wed, 25 Mar - Wed, 1 Apr
British Airways Logo
16:50 - 12:25
ORD
-
NOC
14h 35m
2 stops
British Airways Logo
13:05 - 13:22
NOC
-
ORD
54h 17m
2 stops
€618British Airways
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
16:50 - 12:25
ORD
-
NOC
14h 35m
2 stops
Multiple Airlines Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€651Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
18:45 - 12:25
ORD
-
NOC
12h 40m
1 stop
Multiple Airlines Logo
13:05 - 17:20
NOC
-
ORD
34h 15m
1 stop
€657Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
16:45 - 12:25
ORD
-
NOC
14h 40m
1 stop
Multiple Airlines Logo
13:05 - 17:20
NOC
-
ORD
34h 15m
1 stop
€700Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
British Airways Logo
16:50 - 12:25
ORD
-
NOC
14h 35m
2 stops
British Airways Logo
13:05 - 15:08
NOC
-
ORD
56h 03m
2 stops
€715British Airways
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
12:50 - 13:45
ORD
-
NOC
19h 55m
3 stops
Multiple Airlines Logo
09:00 - 18:15
NOC
-
ORD
39h 15m
3 stops
€733Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
British Airways Logo
21:00 - 12:25
ORD
-
NOC
33h 25m
2 stops
British Airways Logo
13:00 - 18:00
NOC
-
ORD
35h 00m
2 stops
€740British Airways
Fri, 27 Feb - Fri, 6 Mar

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
23 Mar
ORD15:16Chicago O'Hare Intl
16h 09m
2 stops
NOC12:25Knock Intl
30 Mar
NOC13:05Knock Intl
29h 20m
1 stop
ORD12:25Chicago O'Hare Intl
€610
British Airways
25 Mar
ORD16:21Chicago O'Hare Intl
15h 04m
2 stops
NOC12:25Knock Intl
1 Apr
NOC13:05Knock Intl
17h 01m
2 stops
ORD00:06Chicago O'Hare Intl
€612
British Airways
23 Mar
ORD16:50Chicago O'Hare Intl
14h 35m
2 stops
NOC12:25Knock Intl
30 Mar
NOC13:05Knock Intl
54h 17m
2 stops
ORD13:22Chicago O'Hare Intl
€618

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 9 February 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

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 25/3

16:50-12:25

2 stops14h 35m

Knock Intl

Wed 1/4

13:05-12:25

1 stop29h 20m

€609

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 23/3

15:16-12:25

2 stops16h 09m

Knock Intl

Mon 30/3

13:05-12:25

1 stop29h 20m

€610

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 25/3

16:21-12:25

2 stops15h 04m

Knock Intl

Wed 1/4

13:05-00:06

2 stops17h 01m

€612

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 23/3

16:50-12:25

2 stops14h 35m

Knock Intl

Mon 30/3

13:05-13:22

2 stops54h 17m

€618

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 22/3

16:50-12:25

2 stops14h 35m

Knock Intl

Sun 29/3

13:05-15:00

1 stop31h 55m

€651

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 23/3

18:45-12:25

1 stop12h 40m

Knock Intl

Mon 30/3

13:05-17:20

1 stop34h 15m

€657

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 22/3

16:45-12:25

1 stop14h 40m

Knock Intl

Sun 29/3

13:05-17:20

1 stop34h 15m

€700

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 22/3

16:50-12:25

2 stops14h 35m

Knock Intl

Sun 29/3

13:05-15:08

2 stops56h 03m

€715

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 23/3

12:50-13:45

3 stops19h 55m

Knock Intl

Mon 30/3

09:00-18:15

3 stops39h 15m

€733

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 27/2

21:00-12:25

2 stops33h 25m

Knock Intl

Fri 6/3

13:00-18:00

2 stops35h 00m

€740

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

15h 04m

Direct flights

None
The fastest flight from Illinois to Knock takes 15h 04m
There are no direct flights from Illinois to Knock. There are no popular flight routes from Illinois to Knock.
Search flight deals

  • 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.

  • How do I get Price Alerts for flights from Illinois to Knock?

    Search flight deals from Illinois to Knock. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Illinois to Knock with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
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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