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Cheap flights from Chicago O'Hare Intl Airport to Knock from $355

This is the cheapest one-way 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 9/10. 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
1 adult, Economy, 0 bags

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
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$958Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$959Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
1:05 pm - 3:00 pm
NOC
-
ORD
31h 55m
1 stop
$961Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
2:15 pm - 12:35 pm
ORD
-
NOC
16h 20m
2 stops
Multiple Airlines Logo
1:05 pm - 8:00 am
NOC
-
ORD
24h 55m
2 stops
$985Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
1:05 pm - 7:46 pm
NOC
-
ORD
36h 41m
2 stops
$991Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
8:54 am - 12:35 pm
ORD
-
NOC
21h 41m
2 stops
Multiple Airlines Logo
1:05 pm - 12:30 pm
NOC
-
ORD
29h 25m
1 stop
$996Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
British Airways Logo
4:30 pm - 12:35 pm
ORD
-
NOC
14h 05m
2 stops
British Airways Logo
1:05 pm - 11:30 am
NOC
-
ORD
28h 25m
2 stops
$1,010British Airways
Mon, Aug 24 - Mon, Aug 31
British Airways Logo
7:05 pm - 12:35 pm
ORD
-
NOC
11h 30m
1 stop
British Airways Logo
1:05 pm - 11:30 am
NOC
-
ORD
28h 25m
2 stops
$1,027British Airways
Mon, Aug 24 - Mon, Aug 31
British Airways Logo
6:15 pm - 12:35 pm
ORD
-
NOC
12h 20m
1 stop
British Airways Logo
1:05 pm - 1:50 pm
NOC
-
ORD
30h 45m
1 stop
$1,038British Airways
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
7:11 am - 12:35 pm
ORD
-
NOC
23h 24m
2 stops
Multiple Airlines Logo
1:05 pm - 2:52 pm
NOC
-
ORD
31h 47m
2 stops
$1,052Multiple Airlines
Sun, Oct 11 - Sat, Oct 17

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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
Aug 24
ORD4:30 pmChicago O'Hare Intl
14h 05m
2 stops
NOC12:35 pmKnock Intl
Aug 31
NOC1:05 pmKnock Intl
28h 25m
2 stops
ORD11:30 amChicago O'Hare Intl
$1,010
British Airways
Aug 24
ORD7:05 pmChicago O'Hare Intl
11h 30m
1 stop
NOC12:35 pmKnock Intl
Aug 31
NOC1:05 pmKnock Intl
28h 25m
2 stops
ORD11:30 amChicago O'Hare Intl
$1,027
British Airways
Aug 24
ORD6:15 pmChicago O'Hare Intl
12h 20m
1 stop
NOC12:35 pmKnock Intl
Aug 31
NOC1:05 pmKnock Intl
30h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
$1,038

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 June 19, 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

Cheapest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-3:00 pm

1 stop31h 55m

$958

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-3:00 pm

1 stop31h 55m

$959

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-3:00 pm

1 stop31h 55m

$961

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

2:15 pm-12:35 pm

2 stops16h 20m

Knock Intl

Mon 8/31

1:05 pm-8:00 am

2 stops24h 55m

$985

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-7:46 pm

2 stops36h 41m

$991

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

8:54 am-12:35 pm

2 stops21h 41m

Knock Intl

Mon 8/31

1:05 pm-12:30 pm

1 stop29h 25m

$996

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

4:30 pm-12:35 pm

2 stops14h 05m

Knock Intl

Mon 8/31

1:05 pm-11:30 am

2 stops28h 25m

$1,010
Quickest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Mon 8/31

1:05 pm-11:30 am

2 stops28h 25m

$1,027

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 8/24

6:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Mon 8/31

1:05 pm-1:50 pm

1 stop30h 45m

$1,038

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/11

7:11 am-12:35 pm

2 stops23h 24m

Knock Intl

Sat 10/17

1:05 pm-2:52 pm

2 stops31h 47m

$1,052

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Knock from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 airlines fly to Knock?

United Airlines, American Airlines and Lufthansa are the top three most popular airlines that fly to Knock from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Knock. Keep in mind that there are 3 different airlines that fly to Knock on a routine basis, so you have a few additional options to choose from.

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

16h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 16h 20m
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.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Knock

  • How far is Chicago O'Hare Intl to Knock Intl by plane?

    Knock Intl is 3550.3 mi away from Chicago O'Hare Intl. 16h 20m 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.

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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