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Cheap flights from Chicago O'Hare Intl Airport to Knock from €309

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 10/9. 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
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Find the cheapest flights from Chicago O'Hare Intl Airport to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:30 - 12:35
ORD
-
NOC
32h 05m
1 stop
Multiple Airlines Logo
13:05 - 13:50
NOC
-
ORD
30h 45m
1 stop
€834Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
18:15 - 12:35
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€835Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
18:15 - 12:35
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
13:05 - 15:00
NOC
-
ORD
31h 55m
1 stop
€837Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
14:15 - 12:35
ORD
-
NOC
16h 20m
2 stops
Multiple Airlines Logo
13:05 - 08:00
NOC
-
ORD
24h 55m
2 stops
€858Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
22:30 - 12:35
ORD
-
NOC
32h 05m
1 stop
Multiple Airlines Logo
13:05 - 19:46
NOC
-
ORD
36h 41m
2 stops
€858Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
18:15 - 12:35
ORD
-
NOC
12h 20m
1 stop
Multiple Airlines Logo
13:05 - 19:46
NOC
-
ORD
36h 41m
2 stops
€863Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
08:54 - 12:35
ORD
-
NOC
21h 41m
2 stops
Multiple Airlines Logo
13:05 - 12:30
NOC
-
ORD
29h 25m
1 stop
€867Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
15:25 - 12:35
ORD
-
NOC
15h 10m
2 stops
Multiple Airlines Logo
13:05 - 08:30
NOC
-
ORD
25h 25m
2 stops
€874Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
British Airways Logo
16:30 - 12:35
ORD
-
NOC
14h 05m
2 stops
British Airways Logo
13:05 - 11:30
NOC
-
ORD
28h 25m
2 stops
€879British Airways
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
07:11 - 12:35
ORD
-
NOC
23h 24m
2 stops
Multiple Airlines Logo
13:05 - 14:52
NOC
-
ORD
31h 47m
2 stops
€916Multiple Airlines
Sun, 11 Oct - Sat, 17 Oct

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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
24 Aug
ORD16:30Chicago O'Hare Intl
14h 05m
2 stops
NOC12:35Knock Intl
31 Aug
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€879
British Airways
24 Aug
ORD19:05Chicago O'Hare Intl
11h 30m
1 stop
NOC12:35Knock Intl
31 Aug
NOC13:05Knock Intl
28h 25m
2 stops
ORD11:30Chicago O'Hare Intl
€894
British Airways
24 Aug
ORD18:15Chicago O'Hare Intl
12h 20m
1 stop
NOC12:35Knock Intl
31 Aug
NOC13:05Knock Intl
30h 45m
1 stop
ORD13:50Chicago O'Hare Intl
€904

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 18 June 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 return flight

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

22:30-12:35

1 stop32h 05m

Knock Intl

Mon 31/8

13:05-13:50

1 stop30h 45m

€834

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

18:15-12:35

1 stop12h 20m

Knock Intl

Mon 31/8

13:05-15:00

1 stop31h 55m

€835

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

18:15-12:35

1 stop12h 20m

Knock Intl

Mon 31/8

13:05-15:00

1 stop31h 55m

€837

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

14:15-12:35

2 stops16h 20m

Knock Intl

Mon 31/8

13:05-08:00

2 stops24h 55m

€858

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

22:30-12:35

1 stop32h 05m

Knock Intl

Mon 31/8

13:05-19:46

2 stops36h 41m

€858

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

18:15-12:35

1 stop12h 20m

Knock Intl

Mon 31/8

13:05-19:46

2 stops36h 41m

€863

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

08:54-12:35

2 stops21h 41m

Knock Intl

Mon 31/8

13:05-12:30

1 stop29h 25m

€867
Fastest return journey

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

15:25-12:35

2 stops15h 10m

Knock Intl

Mon 31/8

13:05-08:30

2 stops25h 25m

€874

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Mon 24/8

16:30-12:35

2 stops14h 05m

Knock Intl

Mon 31/8

13:05-11:30

2 stops28h 25m

€879

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 11/10

07:11-12:35

2 stops23h 24m

Knock Intl

Sat 17/10

13:05-14:52

2 stops31h 47m

€916

Flights are sorted by cheapest return flights first.

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

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 return 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

12h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 12h 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?

    Chicago O'Hare Intl and Knock Intl are 5713.7 km apart from one another. In terms of flight time, this usually takes a little over 12h 20m.

  • 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 are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Knock Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Knock?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Knock with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Westport
Sligo
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Knock?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Knock from Chicago.

Can I find flights from Chicago to Knock with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knock from Chicago with this policy.

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?

If you are not ready to book a flight from Chicago to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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