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Cheap flights from Chicago to Knock from €373

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 3/6. 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.
Multiple Airlines Logo
11:05 - 12:35
ORD
-
NOC
19h 30m
2 stops
Multiple Airlines Logo
13:05 - 15:51
NOC
-
ORD
32h 46m
2 stops
€834Multiple Airlines
Tue, 11 Aug - Fri, 21 Aug
Multiple Airlines Logo
10:53 - 12:35
ORD
-
NOC
19h 42m
2 stops
Multiple Airlines Logo
13:00 - 20:35
NOC
-
ORD
36h 35m
2 stops
€860Multiple Airlines
Thu, 1 Oct - Sat, 31 Oct
Multiple Airlines Logo
09:55 - 16:45
ORD
-
NOC
24h 50m
3 stops
Multiple Airlines Logo
08:30 - 16:00
NOC
-
ORD
37h 30m
3 stops
€863Multiple Airlines
Tue, 12 May - Sat, 16 May
Multiple Airlines Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
Multiple Airlines Logo
13:00 - 18:05
NOC
-
ORD
34h 05m
1 stop
€883Multiple Airlines
Thu, 1 Oct - Sat, 31 Oct
Multiple Airlines Logo
07:09 - 12:35
ORD
-
NOC
23h 26m
2 stops
Multiple Airlines Logo
13:05 - 14:55
NOC
-
ORD
31h 50m
2 stops
€889Multiple Airlines
Mon, 3 Aug - Thu, 13 Aug
Multiple Airlines Logo
13:12 - 12:35
ORD
-
NOC
17h 23m
2 stops
Multiple Airlines Logo
13:00 - 12:00
NOC
-
ORD
28h 00m
1 stop
€899Multiple Airlines
Thu, 1 Oct - Sat, 31 Oct
Multiple Airlines Logo
15:45 - 12:35
ORD
-
NOC
14h 50m
2 stops
Multiple Airlines Logo
08:55 - 16:00
NOC
-
ORD
37h 05m
3 stops
€917Multiple Airlines
Tue, 12 May - Sat, 16 May
Aer Lingus Logo
21:15 - 12:35
ORD
-
NOC
33h 20m
1 stop
Aer Lingus Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€950Aer Lingus
Tue, 11 Aug - Fri, 21 Aug
Multiple Airlines Logo
11:05 - 14:55
ORD
-
NOC
21h 50m
2 stops
Multiple Airlines Logo
09:50 - 21:25
NOC
-
ORD
41h 35m
3 stops
€958Multiple Airlines
Tue, 11 Aug - Fri, 21 Aug
Aer Lingus Logo
21:15 - 12:35
ORD
-
NOC
33h 20m
1 stop
Aer Lingus Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€963Aer Lingus
Mon, 3 Aug - Thu, 13 Aug

Aer Lingus flights from Chicago to Knock

Our best Aer Lingus deals on Chicago to Knock flight tickets
Aer Lingus
11 Aug
ORD21:15Chicago O'Hare Intl
33h 20m
1 stop
NOC12:35Knock Intl
21 Aug
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€950
Aer Lingus
3 Aug
ORD21:15Chicago O'Hare Intl
33h 20m
1 stop
NOC12:35Knock Intl
13 Aug
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€963
Aer Lingus
12 May
ORD15:45Chicago O'Hare Intl
14h 50m
2 stops
NOC12:35Knock Intl
16 May
NOC13:05Knock Intl
36h 10m
2 stops
ORD19:15Chicago O'Hare Intl
€1,019

British Airways flights from Chicago to Knock

Our best British Airways deals on Chicago to Knock flight tickets
British Airways
3 Jun
ORD12:47Chicago O'Hare Intl
17h 48m
2 stops
NOC12:35Knock Intl
10 Jun
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€965
British Airways
3 Jun
ORD19:05Chicago O'Hare Intl
11h 30m
1 stop
NOC12:35Knock Intl
10 Jun
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€967
British Airways
15 Jul
ORD17:00Chicago O'Hare Intl
13h 35m
1 stop
NOC12:35Knock Intl
20 Jul
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€993

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 24 April 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 11/8

11:05-12:35

2 stops19h 30m

Knock Intl

Fri 21/8

13:05-15:51

2 stops32h 46m

€834

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 1/10

10:53-12:35

2 stops19h 42m

Knock Intl

Sat 31/10

13:00-20:35

2 stops36h 35m

€860

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 12/5

09:55-16:45

3 stops24h 50m

Knock Intl

Sat 16/5

08:30-16:00

3 stops37h 30m

€863

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 1/10

19:05-12:35

1 stop11h 30m

Knock Intl

Sat 31/10

13:00-18:05

1 stop34h 05m

€883

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 3/8

07:09-12:35

2 stops23h 26m

Knock Intl

Thu 13/8

13:05-14:55

2 stops31h 50m

€889
Fastest return journey

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 1/10

13:12-12:35

2 stops17h 23m

Knock Intl

Sat 31/10

13:00-12:00

1 stop28h 00m

€899

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 12/5

15:45-12:35

2 stops14h 50m

Knock Intl

Sat 16/5

08:55-16:00

3 stops37h 05m

€917

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 11/8

21:15-12:35

1 stop33h 20m

Knock Intl

Fri 21/8

13:05-11:30

2 stops28h 25m

€950

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 11/8

11:05-14:55

2 stops21h 50m

Knock Intl

Fri 21/8

09:50-21:25

3 stops41h 35m

€958

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 3/8

21:15-12:35

1 stop33h 20m

Knock Intl

Thu 13/8

13:05-11:30

2 stops28h 25m

€963

Flights are sorted by cheapest return flights first.

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

Frequently asked questions about flying from Chicago to Knock

  • How do I get Price Alerts for flights from Chicago to Knock?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago from Knock. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Chicago to Knock with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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