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Cheap flights from Chicago to Knock from €607

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 28/10. 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

Logo
15:35 - 12:25ORD-NOC
15h 50m2 stops
Logo
13:00 - 07:56NOC-ORD
24h 56m2 stops
€607
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Logo
18:10 - 12:25ORD-NOC
13h 15m1 stop
Logo
13:00 - 14:00NOC-ORD
31h 00m2 stops
€609
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
18:10 - 12:25ORD-NOC
13h 15m1 stop
British Airways Logo
13:00 - 13:50NOC-ORD
30h 50m1 stop
€615British Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
17:10 - 12:25ORD-NOC
13h 15m1 stop
British Airways Logo
13:00 - 16:25NOC-ORD
32h 25m1 stop
€664British Airways
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Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:45 - 12:25ORD-NOC
18h 40m2 stops
British Airways Logo
13:00 - 18:00NOC-ORD
34h 00m1 stop
€667British Airways
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Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:45 - 12:25ORD-NOC
18h 40m2 stops
British Airways Logo
13:00 - 14:50NOC-ORD
30h 50m1 stop
€668British 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 - 15:25NOC-ORD
32h 25m1 stop
€672British Airways
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Sun, 9 Nov - Sun, 16 Nov
Logo
16:50 - 12:25ORD-NOC
14h 35m2 stops
Logo
13:00 - 13:50NOC-ORD
30h 50m1 stop
€673
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
12:50 - 12:25ORD-NOC
18h 35m2 stops
Logo
13:00 - 16:20NOC-ORD
33h 20m2 stops
€675
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Aer Lingus Logo
22:45 - 12:25ORD-NOC
32h 40m1 stop
Aer Lingus Logo
13:00 - 13:50NOC-ORD
30h 50m1 stop
€713Aer Lingus
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Thu, 30 Oct - Thu, 6 Nov

British Airways flights from Chicago to Knock

Our best British Airways deals on Chicago to Knock flight tickets
British Airways
28 Oct
ORD18:10Chicago O'Hare Intl
13h 15m
1 stop
NOC12:25Knock Intl
4 Nov
NOC13:00Knock Intl
30h 50m
1 stop
ORD13:50Chicago O'Hare Intl
€615
Find similar
British Airways
4 Mar
ORD17:10Chicago O'Hare Intl
13h 15m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
32h 25m
1 stop
ORD16:25Chicago O'Hare Intl
€664
Find similar
British Airways
4 Mar
ORD11:45Chicago O'Hare Intl
18h 40m
2 stops
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
34h 00m
1 stop
ORD18:00Chicago O'Hare Intl
€667
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 15 September 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

Tue 28/10

15:35-12:25

2 stops15h 50m

Knock Intl

Tue 4/11

13:00-07:56

2 stops24h 56m

€607

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 28/10

18:10-12:25

1 stop13h 15m

Knock Intl

Tue 4/11

13:00-14:00

2 stops31h 00m

€609

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 28/10

18:10-12:25

1 stop13h 15m

Knock Intl

Tue 4/11

13:00-13:50

1 stop30h 50m

€615

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

17:10-12:25

1 stop13h 15m

Knock Intl

Sun 8/3

13:00-16:25

1 stop32h 25m

€664

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

11:45-12:25

2 stops18h 40m

Knock Intl

Sun 8/3

13:00-18:00

1 stop34h 00m

€667

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 4/3

11:45-12:25

2 stops18h 40m

Knock Intl

Sun 8/3

13:00-14:50

1 stop30h 50m

€668

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 9/11

21:45-12:25

1 stop32h 40m

Knock Intl

Sun 16/11

13:00-15:25

1 stop32h 25m

€672

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 30/10

16:50-12:25

2 stops14h 35m

Knock Intl

Thu 6/11

13:00-13:50

1 stop30h 50m

€673

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 30/10

12:50-12:25

2 stops18h 35m

Knock Intl

Thu 6/11

13:00-16:20

2 stops33h 20m

€675

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 30/10

22:45-12:25

1 stop32h 40m

Knock Intl

Thu 6/11

13:00-13:50

1 stop30h 50m

€713

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 13h 15m, 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.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago from Knock. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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
Newport

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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