Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Knock from €796

1 adult
1 adult, Economy, 0 bags

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
06:30 - 13:40ORD  Chicago O'Hare Intl-NOC Knock Intl
25h 10m3 stops Denver Intl Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
14:35 - 18:20NOC  Knock Intl-ORD Chicago O'Hare Intl
33h 45m3 stops Manchester Paris Charles de Gaulle Dublin
€797Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
08:49 - 12:30ORD  Chicago O'Hare Intl-NOC Knock Intl
45h 41m2 stops Vancouver Intl London Heathrow
Multiple Airlines Logo
13:05 - 14:37NOC  Knock Intl-ORD Chicago O'Hare Intl
55h 32m2 stops London Heathrow Vancouver Intl
€800Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
08:49 - 12:30ORD  Chicago O'Hare Intl-NOC Knock Intl
45h 41m2 stops Vancouver Intl London Heathrow
Multiple Airlines Logo
13:05 - 11:07NOC  Knock Intl-ORD Chicago O'Hare Intl
52h 02m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl
€803Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
18:30 - 18:20ORD  Chicago O'Hare Intl-NOC Knock Intl
17h 50m3 stops Reykjavik Keflavik Intl Glasgow Intl London Luton
Multiple Airlines Logo
13:05 - 17:20NOC  Knock Intl-ORD Chicago O'Hare Intl
34h 15m2 stops London Heathrow Reykjavik Keflavik Intl
€810Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
21:50 - 12:30ORD  Chicago O'Hare Intl-NOC Knock Intl
32h 40m1 stop London Heathrow
Multiple Airlines Logo
13:05 - 13:45NOC  Knock Intl-ORD Chicago O'Hare Intl
30h 40m1 stop London Heathrow
€817Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
13:55 - 12:30ORD  Chicago O'Hare Intl-NOC Knock Intl
16h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
13:05 - 10:45NOC  Knock Intl-ORD Chicago O'Hare Intl
27h 40m1 stop London Heathrow
€820Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
06:30 - 13:40ORD  Chicago O'Hare Intl-NOC Knock Intl
25h 10m3 stops Denver Intl Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
13:05 - 17:20NOC  Knock Intl-ORD Chicago O'Hare Intl
34h 15m2 stops London Heathrow Reykjavik Keflavik Intl
€846Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
18:30 - 18:20ORD  Chicago O'Hare Intl-NOC Knock Intl
17h 50m3 stops Reykjavik Keflavik Intl Glasgow Intl London Luton
Multiple Airlines Logo
13:05 - 13:45NOC  Knock Intl-ORD Chicago O'Hare Intl
30h 40m1 stop London Heathrow
€853Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
British Airways Logo
15:55 - 12:25ORD  Chicago O'Hare Intl-NOC Knock Intl
14h 30m2 stops Dublin London Heathrow
British Airways Logo
13:00 - 19:30NOC  Knock Intl-ORD Chicago O'Hare Intl
12h 30m1 stop London Heathrow
€868British Airways
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
21:50 - 12:30ORD  Chicago O'Hare Intl-NOC Knock Intl
32h 40m1 stop London Heathrow
Multiple Airlines Logo
13:05 - 16:55NOC  Knock Intl-ORD Chicago O'Hare Intl
33h 50m1 stop London Heathrow
€885Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
1 Nov
ORD15:55Chicago O'Hare Intl
14h 30m
2 stops
NOC12:25Knock Intl
8 Nov
NOC13:00Knock Intl
12h 30m
1 stop
ORD19:30Chicago O'Hare Intl
€868
British Airways
1 Nov
ORD18:05Chicago O'Hare Intl
36h 25m
2 stops
NOC12:30Knock Intl
8 Nov
NOC13:05Knock Intl
12h 25m
1 stop
ORD19:30Chicago O'Hare Intl
€898
British Airways
1 Nov
ORD21:35Chicago O'Hare Intl
32h 55m
2 stops
NOC12:30Knock Intl
8 Nov
NOC13:05Knock Intl
12h 25m
1 stop
ORD19:30Chicago O'Hare Intl
€921

momondo Fare Finder

 
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 Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

06:30-13:40

3 stops25h 10m

Knock Intl

Sun 8/11

14:35-18:20

3 stops33h 45m

€796

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 2/11

08:49-12:30

2 stops45h 41m

Knock Intl

Mon 9/11

13:05-14:37

2 stops55h 32m

€800

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

08:49-12:30

2 stops45h 41m

Knock Intl

Sun 8/11

13:05-11:07

2 stops52h 02m

€803

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

18:30-18:20

3 stops17h 50m

Knock Intl

Sun 8/11

13:05-17:20

2 stops34h 15m

€810

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 2/11

21:50-12:30

1 stop32h 40m

Knock Intl

Mon 9/11

13:05-13:45

1 stop30h 40m

€817

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Mon 2/11

13:55-12:30

2 stops16h 35m

Knock Intl

Mon 9/11

13:05-10:45

1 stop27h 40m

€820

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

06:30-13:40

3 stops25h 10m

Knock Intl

Sun 8/11

13:05-17:20

2 stops34h 15m

€846

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

18:30-18:20

3 stops17h 50m

Knock Intl

Sun 8/11

13:05-13:45

1 stop30h 40m

€853
Fastest return journey

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

15:55-12:25

2 stops14h 30m

Knock Intl

Sun 8/11

13:00-19:30

1 stop12h 30m

€868

ChicagoKnock

ORD Chicago O'Hare Intl - NOC Knock Intl

ORDNOC

Chicago O'Hare Intl

Sun 1/11

21:50-12:30

1 stop32h 40m

Knock Intl

Sun 8/11

13:05-16:55

1 stop33h 50m

€885

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Best price found

€796

Fastest flight time

45h 41m

Direct flights

None
The best flight deal from Chicago O'Hare Intl Airport to Knock found on momondo in the last 72 hours is €796
The fastest flight from Chicago O'Hare Intl Airport to Knock takes 45h 41m
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 45h 41m.

  • 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
Sligo
Westport
Carrick-on-Shannon
Belmullet
Newport

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.

An easier way to manage your Knock trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 18/10
Sun 25/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland