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Cheap flights from Chicago to Knock from €849

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 18/1. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:10 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
13h 15m1 stop London Heathrow
British Airways Logo
13:00 - 19:15NOC  Knock Intl-ORD Chicago O'Hare Intl
12h 15m1 stop London Heathrow
€849British Airways
Mon, 18 Jan - Thu, 21 Jan
Multiple Airlines Logo
15:40 - 12:35ORD  Chicago O'Hare Intl-NOC Knock Intl
38h 55m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
13:05 - 20:12NOC  Knock Intl-ORD Chicago O'Hare Intl
37h 07m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl
€850Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
British Airways Logo
17:10 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
13h 15m1 stop London Heathrow
British Airways Logo
13:00 - 19:15NOC  Knock Intl-ORD Chicago O'Hare Intl
12h 15m1 stop London Heathrow
€853British Airways
Mon, 18 Jan - Thu, 21 Jan
British Airways Logo
12:05 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
18h 20m2 stops Charlotte Douglas London Heathrow
British Airways Logo
13:00 - 19:15NOC  Knock Intl-ORD Chicago O'Hare Intl
12h 15m1 stop London Heathrow
€857British Airways
Mon, 18 Jan - Thu, 21 Jan
British Airways Logo
13:31 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
16h 54m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
13:00 - 20:00NOC  Knock Intl-ORD Chicago O'Hare Intl
37h 00m2 stops London Heathrow Toronto Pearson Intl
€860British Airways
Mon, 18 Jan - Thu, 21 Jan
British Airways Logo
13:31 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
16h 54m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
13:00 - 20:00NOC  Knock Intl-ORD Chicago O'Hare Intl
37h 00m2 stops London Heathrow Toronto Pearson Intl
€864British Airways
Mon, 18 Jan - Thu, 21 Jan
Multiple Airlines Logo
14:15 - 12:35ORD  Chicago O'Hare Intl-NOC Knock Intl
16h 20m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
13:05 - 08:00NOC  Knock Intl-ORD Chicago O'Hare Intl
24h 55m2 stops London Heathrow Toronto Pearson Intl
€871Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
Multiple Airlines Logo
19:25 - 17:30ORD  Chicago O'Hare Intl-NOC Knock Intl
16h 05m3 stops Reykjavik Keflavik Intl Dublin London Stansted
Multiple Airlines Logo
09:10 - 21:20NOC  Knock Intl-ORD Chicago O'Hare Intl
42h 10m3 stops Liverpool J. Lennon Madrid Barajas Bogotá El Dorado
€876Multiple Airlines
Thu, 10 Sep - Wed, 16 Sep
Multiple Airlines Logo
08:45 - 12:35ORD  Chicago O'Hare Intl-NOC Knock Intl
21h 50m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
13:05 - 09:48NOC  Knock Intl-ORD Chicago O'Hare Intl
26h 43m2 stops London Heathrow Toronto Pearson Intl
€902Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
08:45 - 12:35ORD  Chicago O'Hare Intl-NOC Knock Intl
21h 50m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
13:05 - 09:48NOC  Knock Intl-ORD Chicago O'Hare Intl
26h 43m2 stops London Heathrow Toronto Pearson Intl
€904Multiple Airlines
Sun, 27 Sep - Sun, 4 Oct

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British Airways flights from Chicago to Knock

Our best British Airways deals on Chicago to Knock flight tickets
British Airways
18 Jan
ORD17:10Chicago O'Hare Intl
13h 15m
1 stop
NOC12:25Knock Intl
21 Jan
NOC13:00Knock Intl
12h 15m
1 stop
ORD19:15Chicago O'Hare Intl
€849
British Airways
18 Jan
ORD17:10Chicago O'Hare Intl
13h 15m
1 stop
NOC12:25Knock Intl
21 Jan
NOC13:00Knock Intl
12h 15m
1 stop
ORD19:15Chicago O'Hare Intl
€853
British Airways
18 Jan
ORD12:05Chicago O'Hare Intl
18h 20m
2 stops
NOC12:25Knock Intl
21 Jan
NOC13:00Knock Intl
12h 15m
1 stop
ORD19:15Chicago O'Hare Intl
€857

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 13 August 2026.
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

Cheapest return flight
Fastest return journey

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 18/1

17:10-12:25

1 stop13h 15m

Knock Intl

Thu 21/1

13:00-19:15

1 stop12h 15m

€849

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sat 26/9

15:40-12:35

2 stops38h 55m

Knock Intl

Sat 3/10

13:05-20:12

2 stops37h 07m

€850

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 18/1

17:10-12:25

1 stop13h 15m

Knock Intl

Thu 21/1

13:00-19:15

1 stop12h 15m

€853

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 18/1

12:05-12:25

2 stops18h 20m

Knock Intl

Thu 21/1

13:00-19:15

1 stop12h 15m

€857

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 18/1

13:31-12:25

2 stops16h 54m

Knock Intl

Thu 21/1

13:00-20:00

2 stops37h 00m

€860

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 18/1

13:31-12:25

2 stops16h 54m

Knock Intl

Thu 21/1

13:00-20:00

2 stops37h 00m

€864

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Thu 24/9

14:15-12:35

2 stops16h 20m

Knock Intl

Thu 1/10

13:05-08:00

2 stops24h 55m

€871

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Thu 10/9

19:25-17:30

3 stops16h 05m

Knock Intl

Wed 16/9

09:10-21:20

3 stops42h 10m

€876

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 27/9

08:45-12:35

2 stops21h 50m

Knock Intl

Sun 4/10

13:05-09:48

2 stops26h 43m

€902

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 27/9

08:45-12:35

2 stops21h 50m

Knock Intl

Sun 4/10

13:05-09:48

2 stops26h 43m

€904

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

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Chicago to Knock takes 13h 00m
There are no direct flights from Chicago to Knock. There are no popular flight routes from Chicago to Knock.
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Frequently asked questions about flying from Chicago to Knock

  • 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 00m, 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.

Frequently asked questions about flying from Chicago to Knock

  • 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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