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Cheap flights from Illinois to Knock from €400

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 11/6. 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
08:40 - 12:35
ORD
-
NOC
21h 55m
2 stops
Multiple Airlines Logo
13:05 - 14:01
NOC
-
ORD
30h 56m
2 stops
€798Multiple Airlines
Wed, 29 Apr - Wed, 6 May
British Airways Logo
17:00 - 12:35
ORD
-
NOC
13h 35m
1 stop
British Airways Logo
13:05 - 14:55
NOC
-
ORD
31h 50m
1 stop
€817British Airways
Wed, 29 Apr - Wed, 6 May
British Airways Logo
17:00 - 12:35
ORD
-
NOC
13h 35m
1 stop
British Airways Logo
13:05 - 23:54
NOC
-
ORD
16h 49m
2 stops
€821British Airways
Wed, 29 Apr - Wed, 6 May
British Airways Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
British Airways Logo
13:05 - 12:25
NOC
-
ORD
29h 20m
1 stop
€822British Airways
Wed, 29 Apr - Wed, 6 May
British Airways Logo
15:26 - 12:35
ORD
-
NOC
15h 09m
2 stops
British Airways Logo
13:05 - 23:54
NOC
-
ORD
16h 49m
2 stops
€826British Airways
Wed, 29 Apr - Wed, 6 May
British Airways Logo
17:55 - 12:35
ORD
-
NOC
12h 40m
1 stop
British Airways Logo
13:05 - 14:55
NOC
-
ORD
31h 50m
1 stop
€860British Airways
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
16:30 - 12:35
ORD
-
NOC
14h 05m
1 stop
Multiple Airlines Logo
13:05 - 08:00
NOC
-
ORD
24h 55m
2 stops
€885Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
13:54 - 12:35
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
13:05 - 12:20
NOC
-
ORD
29h 15m
1 stop
€889Multiple Airlines
Sun, 26 Apr - Sun, 3 May
British Airways Logo
15:57 - 12:35
ORD
-
NOC
14h 38m
2 stops
British Airways Logo
13:05 - 23:54
NOC
-
ORD
16h 49m
2 stops
€890British Airways
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
11:15 - 12:35
ORD
-
NOC
43h 20m
2 stops
Multiple Airlines Logo
13:05 - 14:00
NOC
-
ORD
30h 55m
2 stops
€893Multiple Airlines
Sun, 26 Apr - Sun, 3 May

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
29 Apr
ORD17:00Chicago O'Hare Intl
13h 35m
1 stop
NOC12:35Knock Intl
6 May
NOC13:05Knock Intl
31h 50m
1 stop
ORD14:55Chicago O'Hare Intl
€817
British Airways
29 Apr
ORD17:00Chicago O'Hare Intl
13h 35m
1 stop
NOC12:35Knock Intl
6 May
NOC13:05Knock Intl
16h 49m
2 stops
ORD23:54Chicago O'Hare Intl
€821
British Airways
29 Apr
ORD19:05Chicago O'Hare Intl
11h 30m
1 stop
NOC12:35Knock Intl
6 May
NOC13:05Knock Intl
29h 20m
1 stop
ORD12:25Chicago O'Hare Intl
€822

Aer Lingus flights from Illinois to Knock

Our best Aer Lingus deals on Illinois to Knock flight tickets
Aer Lingus
7 Apr
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
13 Apr
NOC13:05Knock Intl
30h 55m
2 stops
ORD14:00Chicago O'Hare Intl
€844
Aer Lingus
3 Apr
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
5 Apr
NOC13:05Knock Intl
49h 51m
2 stops
ORD08:56Chicago O'Hare Intl
€1,342

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 31 March 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 29/4

08:40-12:35

2 stops21h 55m

Knock Intl

Wed 6/5

13:05-14:01

2 stops30h 56m

€798

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

17:00-12:35

1 stop13h 35m

Knock Intl

Wed 6/5

13:05-14:55

1 stop31h 50m

€817
Fastest return journey

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

17:00-12:35

1 stop13h 35m

Knock Intl

Wed 6/5

13:05-23:54

2 stops16h 49m

€821

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

19:05-12:35

1 stop11h 30m

Knock Intl

Wed 6/5

13:05-12:25

1 stop29h 20m

€822

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

15:26-12:35

2 stops15h 09m

Knock Intl

Wed 6/5

13:05-23:54

2 stops16h 49m

€826

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 26/4

17:55-12:35

1 stop12h 40m

Knock Intl

Sun 3/5

13:05-14:55

1 stop31h 50m

€860

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

16:30-12:35

1 stop14h 05m

Knock Intl

Mon 31/8

13:05-08:00

2 stops24h 55m

€885

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 26/4

13:54-12:35

2 stops16h 41m

Knock Intl

Sun 3/5

13:05-12:20

1 stop29h 15m

€889

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 13/5

15:57-12:35

2 stops14h 38m

Knock Intl

Wed 20/5

13:05-23:54

2 stops16h 49m

€890

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 26/4

11:15-12:35

2 stops43h 20m

Knock Intl

Sun 3/5

13:05-14:00

2 stops30h 55m

€893

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

12h 25m

Direct flights

None
The fastest flight from Illinois to Knock takes 12h 25m
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
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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