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Cheap flights from Chicago 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 Chicago 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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Find the cheapest flights from Chicago to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
21:45 - 12:25ORD-NOC
32h 40m1 stop
British Airways Logo
13:00 - 15:55NOC-ORD
55h 55m2 stops
€644British Airways
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Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:53 - 12:25ORD-NOC
42h 32m2 stops
British Airways Logo
13:00 - 15:55NOC-ORD
55h 55m2 stops
€647British 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 - 14:50NOC-ORD
30h 50m1 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
€782British Airways
Find Deal
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
18:30 - 12:25ORD-NOC
11h 55m1 stop
British Airways Logo
13:00 - 14:30NOC-ORD
31h 30m2 stops
€1,651British Airways
Find Deal
Mon, 17 Nov - Thu, 20 Nov

British Airways flights from Chicago to Knock

Our best British Airways deals on Chicago to Knock flight tickets
British Airways
4 Mar
ORD21:45Chicago O'Hare Intl
32h 40m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
55h 55m
2 stops
ORD15:55Chicago O'Hare Intl
€644
Find similar
British Airways
4 Mar
ORD11:53Chicago O'Hare Intl
42h 32m
2 stops
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
55h 55m
2 stops
ORD15:55Chicago O'Hare Intl
€647
Find similar
British Airways
4 Mar
ORD18:45Chicago O'Hare Intl
11h 40m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
30h 50m
1 stop
ORD14:50Chicago O'Hare Intl
€682
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago 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 5 November 2025.
Use the filters below to find and compare flights from Chicago 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

21:45-12:25

1 stop32h 40m

Knock Intl

Sun 8/3

13:00-15:55

2 stops55h 55m

€644

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

11:53-12:25

2 stops42h 32m

Knock Intl

Sun 8/3

13:00-15:55

2 stops55h 55m

€647

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

18:45-12:25

1 stop11h 40m

Knock Intl

Sun 8/3

13:00-14:50

1 stop30h 50m

€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

€782

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

€1,651

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

19:25-12:35

2 stops35h 10m

€1,440

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

19:25-12:35

3 stops35h 10m

€1,647

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

19:05-12:35

1 stop11h 30m

€2,788

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 29/4

15:53-12:35

2 stops14h 42m

€2,838

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Knock from

How to get the cheapest flight ticket from Chicago 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 Chicago to Knock Intl?

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

When to book flights from Chicago to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Knock (CHI to NOC) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago to Knock. There are no popular flight routes from Chicago to Knock.
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  • How far is Chicago to Knock Intl by plane?

    A flight from Chicago to Knock Intl will travel around 5704.4 km. Flights usually cover this in 11h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Chicago to Knock Intl Airport refresh daily.

  • How old do you have to be to fly from Chicago 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 stopovers 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 Chicago to Knock Intl Airport.

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

    The necessary travel and health documents for your Knock Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Chicago 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 Chicago to Knock for you.

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

Yes. momondo allows you to filter the results for Chicago to Knock flights to just show those with flexible booking policies.

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

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

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

Price alerts on flights to Knock from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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