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$581+ Cheap flights from O'Hare Intl (ORD) to Knock (NOC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — NOC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Knock

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Knock (NOC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$778
(British Airways)

One-way from

$581
(Priceline)
From Chicago O'Hare Intl to Knock Intl
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One-way flight from Chicago O'Hare Intl to Knock Intl
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Find flight deals from O'Hare Intl to Knock

Cheapest flights from O'Hare Intl to Knock
Explore the most affordable flight options available from O'Hare Intl to Knock. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Orbitz deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:08 pmORD - NOC
2 stops16h 27mMultiple Airlines
Wed 9/241:05 pmNOC - ORD
2 stops24h 53mMultiple Airlines
Deal found 9/10$765
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:10 pmORD - NOC
1 stop13h 15mBritish Airways
Sun 11/161:00 pmNOC - ORD
1 stop30h 50mBritish Airways
Deal found 9/10$789
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:35 pmORD - NOC
1 stop32h 00mBritish Airways
Wed 10/11:05 pmNOC - ORD
1 stop31h 45mBritish Airways
Deal found 9/10$829
This Expedia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:15 pmORD - NOC
1 stop11h 20mMultiple Airlines
Tue 9/301:05 pmNOC - ORD
2 stops35h 45mMultiple Airlines
Deal found 9/9$892
This Orbitz deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:42 pmORD - NOC
2 stops15h 43mMultiple Airlines
Sun 12/211:00 pmNOC - ORD
1 stop30h 50mMultiple Airlines
Deal found 9/10$901

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Knock that are best for you.

Fly from

O'Hare Intl

Fly to

Knock

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 9/17

2:08 pm-12:35 pm

2 stops16h 27m

Knock Intl

Wed 9/24

1:05 pm-7:58 am

2 stops24h 53m

$765

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 11/9

6:30 pm-12:25 pm

1 stop11h 55m

Knock Intl

Sun 11/16

1:00 pm-3:25 pm

1 stop32h 25m

$789

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 9/21

9:15 pm-12:35 pm

1 stop33h 20m

Knock Intl

Wed 10/1

1:05 pm-1:55 pm

1 stop30h 50m

$829

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 9/24

7:15 pm-12:35 pm

1 stop11h 20m

Knock Intl

Tue 9/30

1:05 pm-6:50 pm

2 stops35h 45m

$892

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 9/24

2:08 pm-12:35 pm

2 stops16h 27m

$581

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 9/24

4:55 pm-12:35 pm

1 stop13h 40m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from O'Hare Intl to Knock

Have a flexible travel schedule? Discover the best time to fly to Knock from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Knock. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knock from Chicago O'Hare Intl?

    Knock Intl (NOC), located 9.2 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Knock. 0 airlines have flights to Knock Intl from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Knock Intl should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Knock?

    Departing from Chicago O'Hare Intl Airport to Knock will take you 11h 55m. The distance from Chicago O'Hare Intl Airport to Knock is about 3551 mi.

  • Can I find deals for flights from O'Hare Intl to Knock that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Knock flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Knock?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Knock.

  • Can I find deals for business class flights from O'Hare Intl to Knock?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Knock by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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