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Cheap flights from Chicago O'Hare Intl Airport to Knock from $696

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 10/22. 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

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
11:05 am - 12:35 pm
ORD
-
NOC
19h 30m
2 stops
Multiple Airlines Logo
1:05 pm - 1:22 pm
NOC
-
ORD
30h 17m
2 stops
$1,043Multiple Airlines
Sun, Jul 19 - Thu, Jul 30
Multiple Airlines Logo
7:05 pm - 12:35 pm
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
1:05 pm - 12:39 am
NOC
-
ORD
17h 34m
2 stops
$1,064Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
11:05 am - 12:35 pm
ORD
-
NOC
19h 30m
2 stops
Multiple Airlines Logo
1:05 pm - 9:53 am
NOC
-
ORD
26h 48m
2 stops
$1,076Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Aer Lingus Logo
5:00 pm - 12:35 pm
ORD
-
NOC
13h 35m
1 stop
Aer Lingus Logo
1:05 pm - 2:00 pm
NOC
-
ORD
30h 55m
2 stops
$1,083Aer Lingus
Sun, Jul 19 - Thu, Jul 30
Multiple Airlines Logo
7:05 pm - 12:35 pm
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
1:05 pm - 8:30 am
NOC
-
ORD
25h 25m
2 stops
$1,101Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
1:54 pm - 12:35 pm
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
1:05 pm - 8:30 am
NOC
-
ORD
25h 25m
2 stops
$1,106Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
12:55 pm - 12:35 pm
ORD
-
NOC
17h 40m
2 stops
Multiple Airlines Logo
1:05 pm - 8:00 am
NOC
-
ORD
24h 55m
2 stops
$1,108Multiple Airlines
Fri, May 29 - Fri, Jun 5
Multiple Airlines Logo
6:10 pm - 12:35 pm
ORD
-
NOC
12h 25m
1 stop
Multiple Airlines Logo
1:05 pm - 12:30 pm
NOC
-
ORD
29h 25m
1 stop
$1,141Multiple Airlines
Sun, Jul 19 - Thu, Jul 30
Multiple Airlines Logo
9:55 am - 4:05 pm
ORD
-
NOC
24h 10m
2 stops
Multiple Airlines Logo
11:15 am - 4:00 pm
NOC
-
ORD
34h 45m
3 stops
$1,161Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
4:33 pm - 12:35 pm
ORD
-
NOC
14h 02m
2 stops
Multiple Airlines Logo
1:05 pm - 12:39 am
NOC
-
ORD
17h 34m
2 stops
$1,163Multiple Airlines
Tue, Jun 16 - Tue, Jun 23

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Aer Lingus flights from Chicago O'Hare Intl Airport to Knock

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to Knock flight tickets
Aer Lingus
Jul 19
ORD5:00 pmChicago O'Hare Intl
13h 35m
1 stop
NOC12:35 pmKnock Intl
Jul 30
NOC1:05 pmKnock Intl
30h 55m
2 stops
ORD2:00 pmChicago O'Hare Intl
$1,083
Aer Lingus
May 11
ORD9:00 pmChicago O'Hare Intl
33h 35m
2 stops
NOC12:35 pmKnock Intl
May 18
NOC1:05 pmKnock Intl
30h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
$1,183
Aer Lingus
May 11
ORD9:00 pmChicago O'Hare Intl
33h 35m
2 stops
NOC12:35 pmKnock Intl
May 18
NOC1:05 pmKnock Intl
36h 52m
2 stops
ORD7:57 pmChicago O'Hare Intl
$1,222

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 May 4, 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

Sun 7/19

11:05 am-12:35 pm

2 stops19h 30m

Knock Intl

Thu 7/30

1:05 pm-1:22 pm

2 stops30h 17m

$1,043
Quickest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 6/16

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Tue 6/23

1:05 pm-12:39 am

2 stops17h 34m

$1,064

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/26

11:05 am-12:35 pm

2 stops19h 30m

Knock Intl

Tue 9/1

1:05 pm-9:53 am

2 stops26h 48m

$1,076

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 7/19

5:00 pm-12:35 pm

1 stop13h 35m

Knock Intl

Thu 7/30

1:05 pm-2:00 pm

2 stops30h 55m

$1,083

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/26

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Tue 9/1

1:05 pm-8:30 am

2 stops25h 25m

$1,101

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 8/26

1:54 pm-12:35 pm

2 stops16h 41m

Knock Intl

Tue 9/1

1:05 pm-8:30 am

2 stops25h 25m

$1,106

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 5/29

12:55 pm-12:35 pm

2 stops17h 40m

Knock Intl

Fri 6/5

1:05 pm-8:00 am

2 stops24h 55m

$1,108

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 7/19

6:10 pm-12:35 pm

1 stop12h 25m

Knock Intl

Thu 7/30

1:05 pm-12:30 pm

1 stop29h 25m

$1,141

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 6/16

9:55 am-4:05 pm

2 stops24h 10m

Knock Intl

Tue 6/23

11:15 am-4:00 pm

3 stops34h 45m

$1,161

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 6/16

4:33 pm-12:35 pm

2 stops14h 02m

Knock Intl

Tue 6/23

1:05 pm-12:39 am

2 stops17h 34m

$1,163

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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

11h 30m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 11h 30m
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. 11h 30m 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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