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Cheap flights from Chicago to Knock from €728

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 to Knock departing on 17/7. 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 to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
15:45 - 12:35
ORD
-
NOC
14h 50m
2 stops
Aer Lingus Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€891Aer Lingus
Tue, 14 Jul - Tue, 21 Jul
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€895Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
14:53 - 12:35
ORD
-
NOC
15h 42m
2 stops
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€899Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Aer Lingus Logo
17:00 - 12:35
ORD
-
NOC
13h 35m
1 stop
Aer Lingus Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€900Aer Lingus
Tue, 14 Jul - Tue, 21 Jul
Multiple Airlines Logo
11:05 - 12:35
ORD
-
NOC
19h 30m
2 stops
Multiple Airlines Logo
13:05 - 09:00
NOC
-
ORD
25h 55m
2 stops
€921Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
17:00 - 12:35
ORD
-
NOC
13h 35m
1 stop
Multiple Airlines Logo
13:05 - 12:30
NOC
-
ORD
29h 25m
1 stop
€927Multiple Airlines
Tue, 14 Jul - Tue, 21 Jul
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€928Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
13:54 - 12:35
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€931Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:05 - 12:30
NOC
-
ORD
29h 25m
1 stop
€936Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€941Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep

Aer Lingus flights from Chicago to Knock

Our best Aer Lingus deals on Chicago to Knock flight tickets
Aer Lingus
14 Jul
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
21 Jul
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€891
Aer Lingus
14 Jul
ORD17:00Chicago O'Hare Intl
13h 35m
1 stop
NOC12:35Knock Intl
21 Jul
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€900
Aer Lingus
14 Sept
ORD21:00Chicago O'Hare Intl
33h 35m
2 stops
NOC12:35Knock Intl
18 Sept
NOC13:05Knock Intl
30h 55m
2 stops
ORD14:00Chicago O'Hare Intl
€1,133

British Airways flights from Chicago to Knock

Our best British Airways deals on Chicago to Knock flight tickets
British Airways
29 May
ORD19:05Chicago O'Hare Intl
11h 30m
1 stop
NOC12:35Knock Intl
1 Jun
NOC13:05Knock Intl
17h 37m
2 stops
ORD00:42Chicago O'Hare Intl
€1,169
British Airways
29 May
ORD16:29Chicago O'Hare Intl
14h 06m
2 stops
NOC12:35Knock Intl
1 Jun
NOC13:05Knock Intl
17h 37m
2 stops
ORD00:42Chicago O'Hare Intl
€1,192
British Airways
9 Jun
ORD16:33Chicago O'Hare Intl
14h 02m
2 stops
NOC12:35Knock Intl
16 Jun
NOC13:05Knock Intl
17h 34m
2 stops
ORD00:39Chicago O'Hare Intl
€1,291

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 15 May 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

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 14/7

15:45-12:35

2 stops14h 50m

Knock Intl

Tue 21/7

13:05-11:30

2 stops28h 25m

€891
Fastest return journey

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

19:05-12:35

1 stop11h 30m

Knock Intl

Tue 1/9

13:05-08:30

2 stops25h 25m

€895

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

14:53-12:35

2 stops15h 42m

Knock Intl

Tue 1/9

13:05-08:30

2 stops25h 25m

€899

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 14/7

17:00-12:35

1 stop13h 35m

Knock Intl

Tue 21/7

13:05-11:30

2 stops28h 25m

€900

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

11:05-12:35

2 stops19h 30m

Knock Intl

Tue 1/9

13:05-09:00

2 stops25h 55m

€921

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 14/7

17:00-12:35

1 stop13h 35m

Knock Intl

Tue 21/7

13:05-12:30

1 stop29h 25m

€927

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

19:05-12:35

1 stop11h 30m

Knock Intl

Tue 1/9

13:05-08:30

2 stops25h 25m

€928

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

13:54-12:35

2 stops16h 41m

Knock Intl

Tue 1/9

13:05-08:30

2 stops25h 25m

€931

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

19:05-12:35

1 stop11h 30m

Knock Intl

Tue 1/9

13:05-12:30

1 stop29h 25m

€936

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 26/8

19:05-12:35

1 stop11h 30m

Knock Intl

Tue 1/9

13:05-08:30

2 stops25h 25m

€941

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Knock from

How to get the cheapest flight ticket from Chicago 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 is the cheapest airline that flies from Chicago to Knock Intl?

British Airways is the most popular carrier operating from Chicago to Knock Intl

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

11h 30m

Direct flights

None
The fastest flight from Chicago to Knock takes 11h 30m
There are no direct flights from Chicago to Knock. There are no popular flight routes from Chicago to Knock.
Search flight deals

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 11h 30m, 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.

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

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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