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Cheap flights from Chicago O'Hare Intl Airport to Knock from $839

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 3/19. 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 O'Hare Intl Airport to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:40 am - 12:25 pm
ORD
-
NOC
19h 45m
2 stops
Multiple Airlines Logo
1:00 pm - 6:00 pm
NOC
-
ORD
34h 00m
2 stops
$839Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
6:30 pm - 12:25 pm
ORD
-
NOC
11h 55m
1 stop
British Airways Logo
1:00 pm - 3:55 pm
NOC
-
ORD
55h 55m
2 stops
$845British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
11:38 am - 12:25 pm
ORD
-
NOC
18h 47m
2 stops
British Airways Logo
1:00 pm - 3:55 pm
NOC
-
ORD
55h 55m
2 stops
$850British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
9:00 pm - 12:25 pm
ORD
-
NOC
33h 25m
2 stops
British Airways Logo
1:00 pm - 12:55 am
NOC
-
ORD
17h 55m
2 stops
$871British Airways
Fri, Feb 27 - Fri, Mar 6
British Airways Logo
10:49 am - 12:25 pm
ORD
-
NOC
19h 36m
2 stops
British Airways Logo
1:00 pm - 6:00 pm
NOC
-
ORD
35h 00m
2 stops
$886British Airways
Fri, Feb 27 - Fri, Mar 6
British Airways Logo
6:30 pm - 12:25 pm
ORD
-
NOC
11h 55m
1 stop
British Airways Logo
1:00 pm - 2:50 pm
NOC
-
ORD
30h 50m
1 stop
$888British Airways
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
4:45 pm - 12:25 pm
ORD
-
NOC
14h 40m
1 stop
Multiple Airlines Logo
1:00 pm - 11:45 am
NOC
-
ORD
27h 45m
1 stop
$904Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
5:10 pm - 12:25 pm
ORD
-
NOC
13h 15m
1 stop
British Airways Logo
1:00 pm - 2:50 pm
NOC
-
ORD
30h 50m
1 stop
$906British Airways
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
2:30 pm - 12:25 pm
ORD
-
NOC
16h 55m
2 stops
Multiple Airlines Logo
1:00 pm - 11:45 am
NOC
-
ORD
27h 45m
1 stop
$908Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
11:38 am - 12:25 pm
ORD
-
NOC
18h 47m
2 stops
British Airways Logo
1:00 pm - 4:25 pm
NOC
-
ORD
32h 25m
1 stop
$910British Airways
Wed, Mar 4 - Sun, Mar 8

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
Mar 4
ORD6:30 pmChicago O'Hare Intl
11h 55m
1 stop
NOC12:25 pmKnock Intl
Mar 8
NOC1:00 pmKnock Intl
55h 55m
2 stops
ORD3:55 pmChicago O'Hare Intl
$845
British Airways
Mar 4
ORD11:38 amChicago O'Hare Intl
18h 47m
2 stops
NOC12:25 pmKnock Intl
Mar 8
NOC1:00 pmKnock Intl
55h 55m
2 stops
ORD3:55 pmChicago O'Hare Intl
$850
British Airways
Feb 27
ORD9:00 pmChicago O'Hare Intl
33h 25m
2 stops
NOC12:25 pmKnock Intl
Mar 6
NOC1:00 pmKnock Intl
17h 55m
2 stops
ORD12:55 amChicago O'Hare Intl
$871

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 February 2, 2026.
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

Thu 3/19

11:40 am-12:25 pm

2 stops19h 45m

Knock Intl

Thu 3/26

1:00 pm-6:00 pm

2 stops34h 00m

$839

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

6:30 pm-12:25 pm

1 stop11h 55m

Knock Intl

Sun 3/8

1:00 pm-3:55 pm

2 stops55h 55m

$845

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

11:38 am-12:25 pm

2 stops18h 47m

Knock Intl

Sun 3/8

1:00 pm-3:55 pm

2 stops55h 55m

$850

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

9:00 pm-12:25 pm

2 stops33h 25m

Knock Intl

Fri 3/6

1:00 pm-12:55 am

2 stops17h 55m

$871

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

10:49 am-12:25 pm

2 stops19h 36m

Knock Intl

Fri 3/6

1:00 pm-6:00 pm

2 stops35h 00m

$886

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

6:30 pm-12:25 pm

1 stop11h 55m

Knock Intl

Sun 3/8

1:00 pm-2:50 pm

1 stop30h 50m

$888

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 3/19

4:45 pm-12:25 pm

1 stop14h 40m

Knock Intl

Thu 3/26

1:00 pm-11:45 am

1 stop27h 45m

$904

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Sun 3/8

1:00 pm-2:50 pm

1 stop30h 50m

$906

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 3/19

2:30 pm-12:25 pm

2 stops16h 55m

Knock Intl

Thu 3/26

1:00 pm-11:45 am

1 stop27h 45m

$908

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

11:38 am-12:25 pm

2 stops18h 47m

Knock Intl

Sun 3/8

1:00 pm-4:25 pm

1 stop32h 25m

$910

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

15h 04m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 15h 04m
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. 15h 04m 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
Sligo
Westport
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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