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$855+ Cheap flights from Chicago (CHI) to Knock (NOC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — NOC
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find flight deals from Chicago to Knock

Cheapest flights from Chicago to Knock
Explore the most affordable flight options available from Chicago to Knock. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This KAYAK deal was found by Cheapflights users on 10/22. 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 11/96:30 pmORD - NOC
1 stop11h 55mBritish Airways
Sun 11/161:00 pmNOC - ORD
1 stop30h 50mBritish Airways
Deal found 10/22$855

Cheap flight deals from Chicago to Knock

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 October 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$741
(British Airways)
Provider with most accurate pricing for Chicago (CHI)-Knock Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Knock Intl flights.
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From Chicago (CHI) to Knock Intl
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Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Chicago to Knock that are best for you.

Fly from

Chicago

Fly to

Knock

Route

Depart

Return

Price

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-1:50 pm

1 stop30h 50m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

  • Most accurate provider: When it comes to deals on Chicago-Knock flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Knock flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Knock flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Knock flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Knock flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Knock

Have a flexible travel schedule? Discover the best time to fly to Knock from Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Knock

What is the cheapest month to book a flight from Chicago to Knock?

Currently, February is the cheapest month in which you can book a flight from Chicago to Knock (average of $528). Flying from Chicago to Knock in November is currently the most expensive (average of $930). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

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

  • How long is the flight from Chicago to Knock?

    For as low as $855, British Airways can have you in Knock from Chicago in 11h 55m. Airlines will cover a distance of 3551 mi.

  • Can I find deals for flights from Chicago to Knock that include hotel bookings?

    Yes. In addition to deals on Chicago to Knock flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Knock?

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

  • Can I find deals for business class flights from Chicago to Knock?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • What is the cheapest month to book a flight from Chicago to Knock?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Knock (average of $528). Flying from Chicago to Knock in November is currently the most expensive (average of $930). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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