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Cheap flights from Chicago O'Hare Intl Airport to Knock from $880

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Knock departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:10 pm - 12:25 pm
ORD
-
NOC
13h 15m1 stop
British Airways Logo
1:00 pm - 2:55 pm
NOC
-
ORD
31h 55m2 stops
$880British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
4:30 pm - 12:25 pm
ORD
-
NOC
13h 55m2 stops
British Airways Logo
1:00 pm - 2:55 pm
NOC
-
ORD
31h 55m2 stops
$884British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
6:35 pm - 12:25 pm
ORD
-
NOC
11h 50m1 stop
British Airways Logo
1:00 pm - 1:50 pm
NOC
-
ORD
30h 50m1 stop
$885British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
10:28 am - 12:25 pm
ORD
-
NOC
19h 57m2 stops
British Airways Logo
1:00 pm - 1:50 pm
NOC
-
ORD
30h 50m1 stop
$889British Airways
Fri, Feb 27 - Tue, Mar 3
British Airways Logo
4:30 pm - 12:25 pm
ORD
-
NOC
13h 55m2 stops
British Airways Logo
1:00 pm - 2:55 pm
NOC
-
ORD
31h 55m2 stops
$895British Airways
Fri, Feb 27 - Tue, Mar 3

British Airways flights from Chicago O'Hare Intl Airport to Knock

Our best British Airways deals on Chicago O'Hare Intl Airport to Knock flight tickets
British Airways
Jan 25
ORD8:55 pmChicago O'Hare Intl
57h 30m
2 stops
NOC12:25 pmKnock Intl
Feb 1
NOC1:00 pmKnock Intl
36h 15m
2 stops
ORD7:15 pmChicago O'Hare Intl
$760
Find similar
British Airways
Jan 25
ORD8:55 pmChicago O'Hare Intl
57h 30m
2 stops
NOC12:25 pmKnock Intl
Feb 1
NOC1:00 pmKnock Intl
32h 25m
1 stop
ORD3:25 pmChicago O'Hare Intl
$778
Find similar
British Airways
Feb 27
ORD5:10 pmChicago O'Hare Intl
13h 15m
1 stop
NOC12:25 pmKnock Intl
Mar 3
NOC1:00 pmKnock Intl
31h 55m
2 stops
ORD2:55 pmChicago O'Hare Intl
$880
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Tue 3/3

1:00 pm-2:55 pm

2 stops31h 55m

$880

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

4:30 pm-12:25 pm

2 stops13h 55m

Knock Intl

Tue 3/3

1:00 pm-2:55 pm

2 stops31h 55m

$884

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

6:35 pm-12:25 pm

1 stop11h 50m

Knock Intl

Tue 3/3

1:00 pm-1:50 pm

1 stop30h 50m

$885

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

10:28 am-12:25 pm

2 stops19h 57m

Knock Intl

Tue 3/3

1:00 pm-1:50 pm

1 stop30h 50m

$889

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

4:30 pm-12:25 pm

2 stops13h 55m

Knock Intl

Tue 3/3

1:00 pm-2:55 pm

2 stops31h 55m

$895

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Knock (ORD to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Knock

Fastest flight time

11h 50m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 11h 50m
There are no direct flights from Chicago O'Hare Intl Airport to Knock. There are no popular flight routes from Chicago O'Hare Intl Airport to Knock.
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  • How far is Chicago O'Hare Intl to Knock Intl by plane?

    Knock Intl is 3550.3 mi away from Chicago O'Hare Intl. 11h 50m is a normal flight duration for this route.

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

    Prices for flights from Chicago O'Hare Intl Airport to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 layovers 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 O'Hare Intl Airport to Knock Intl Airport.

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

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Knock?

    Price Alerts will notify you by email when the price for flights to Knock from Chicago O'Hare Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Knock with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • 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.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Westport
Sligo
Newport
Carrick-on-Shannon

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Knock?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Knock. momondo saves you time and could save you money on your trip.

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

Flights from Chicago to Knock with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knock from Chicago.

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

Of course. momondo tracks the price of Chicago to Knock flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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