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Cheap flights from Illinois to Knock from €644

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 4/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:10 - 12:25ORD-NOC
13h 15m1 stop
British Airways Logo
13:00 - 17:00NOC-ORD
57h 00m2 stops
€644British Airways
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Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
16:05 - 12:25ORD-NOC
38h 20m2 stops
British Airways Logo
13:00 - 15:55NOC-ORD
55h 55m2 stops
€648British Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:45 - 12:25ORD-NOC
11h 40m1 stop
British Airways Logo
13:00 - 16:25NOC-ORD
32h 25m1 stop
€682British Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
21:45 - 12:25ORD-NOC
32h 40m1 stop
British Airways Logo
13:00 - 18:00NOC-ORD
34h 00m1 stop
€683British Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
16:27 - 12:25ORD-NOC
14h 58m2 stops
British Airways Logo
13:00 - 14:50NOC-ORD
30h 50m1 stop
€783British Airways
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Thu, 12 Mar - Mon, 16 Mar
Multiple Airlines Logo
13:54 - 12:25ORD-NOC
16h 31m2 stops
Multiple Airlines Logo
13:00 - 15:25NOC-ORD
32h 25m1 stop
€1,480Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
Multiple Airlines Logo
21:45 - 12:25ORD-NOC
32h 40m1 stop
Multiple Airlines Logo
13:00 - 17:00NOC-ORD
34h 00m1 stop
€1,572Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
Multiple Airlines Logo
15:50 - 15:30ORD-NOC
17h 40m2 stops
Multiple Airlines Logo
13:35 - 14:00NOC-ORD
30h 25m2 stops
€1,636Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
British Airways Logo
18:30 - 12:25ORD-NOC
11h 55m1 stop
British Airways Logo
13:00 - 14:30NOC-ORD
31h 30m2 stops
€1,652British Airways
Find Deal
Mon, 17 Nov - Thu, 20 Nov
Multiple Airlines Logo
15:50 - 15:30ORD-NOC
17h 40m2 stops
Multiple Airlines Logo
13:00 - 19:02NOC-ORD
36h 02m3 stops
€1,745Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
4 Mar
ORD17:10Chicago O'Hare Intl
13h 15m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
57h 00m
2 stops
ORD17:00Chicago O'Hare Intl
€644
Find similar
British Airways
4 Mar
ORD16:05Chicago O'Hare Intl
38h 20m
2 stops
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
55h 55m
2 stops
ORD15:55Chicago O'Hare Intl
€648
Find similar
British Airways
4 Mar
ORD18:45Chicago O'Hare Intl
11h 40m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
32h 25m
1 stop
ORD16:25Chicago O'Hare Intl
€682
Find similar

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 6 November 2025.
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 4/3

17:10-12:25

1 stop13h 15m

Knock Intl

Sun 8/3

13:00-17:00

2 stops57h 00m

€644

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

16:05-12:25

2 stops38h 20m

Knock Intl

Sun 8/3

13:00-15:55

2 stops55h 55m

€648

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

18:45-12:25

1 stop11h 40m

Knock Intl

Sun 8/3

13:00-16:25

1 stop32h 25m

€682

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

21:45-12:25

1 stop32h 40m

Knock Intl

Sun 8/3

13:00-18:00

1 stop34h 00m

€683

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 12/3

16:27-12:25

2 stops14h 58m

Knock Intl

Mon 16/3

13:00-14:50

1 stop30h 50m

€783

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 20/12

13:54-12:25

2 stops16h 31m

Knock Intl

Sat 27/12

13:00-15:25

1 stop32h 25m

€1,480

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 20/12

21:45-12:25

1 stop32h 40m

Knock Intl

Sat 27/12

13:00-17:00

1 stop34h 00m

€1,572

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 20/12

15:50-15:30

2 stops17h 40m

Knock Intl

Sat 27/12

13:35-14:00

2 stops30h 25m

€1,636

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 17/11

18:30-12:25

1 stop11h 55m

Knock Intl

Thu 20/11

13:00-14:30

2 stops31h 30m

€1,652

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 20/12

15:50-15:30

2 stops17h 40m

Knock Intl

Sat 27/12

13:00-19:02

3 stops36h 02m

€1,745

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

Direct flights

None
There are no direct flights from Illinois to Knock. There are no popular flight routes from Illinois to Knock.
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  • 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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