Which airports can I use when flying from Chicago O'Hare Intl Airport to Knock?

Flights from Chicago O'Hare Intl Airport to Knock usually depart from Chicago O'Hare Intl (ORD) and arrive at Knock Intl (NOC).

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

A direct flight from Chicago O'Hare Intl Airport to Knock takes 00m, covering 9,198 km.

Do I need a passport to fly from Chicago O'Hare Intl Airport to Knock?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Chicago O'Hare Intl Airport to Knock changed much recently?

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about €864 to €1,363. That means the highest observed fare was about 57% higher than the lowest one.

What is the time difference between Chicago O'Hare Intl Airport and Knock?

Knock is 5 hours ahead of Chicago O'Hare Intl Airport (Irish Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Knock Intl Airport (NOC)?

Knock Intl Airport (NOC) hosts 5 major car hire companies, with daily rates starting from around €4 for economy cars. Top options include: • Budget • Europcar • Thrifty • Avis • Hertz

Which airline is the cheapest to fly from Chicago O'Hare Intl Airport to Knock?

British Airways (€953) offered the cheapest return ticket from Chicago O'Hare Intl Airport to Knock in the last 5 days.

€356 CHEAP FLIGHTS from Chicago O'Hare to Knock (ORD - NOC)

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Cheapest return flight

€864

Typical prices: €1,412-€1,412

Multiple Airlines

Fri 23/3Wed 28/3

ORD - NOC • 2 stops

Direct flights

Not available

There are currently no direct flights between Chicago O'Hare Intl Airport and Knock. You'll need to take a connecting flight to reach the destination.

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Flight Deals

Cheap Flights from Chicago to Knock (ORD-NOC)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from O'Hare Intl to Knock

Tue, 23 Mar - Sun, 28 Mar

15:40 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

39h 50m2 stops Vancouver Intl London Heathrow

13:05 - 18:55NOC Knock Intl-ORD Chicago O'Hare Intl

35h 50m2 stops London Heathrow Ottawa

€864Multiple Airlines

3+ days ago

Tue, 23 Mar - Sun, 28 Mar

15:40 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

39h 50m2 stops Vancouver Intl London Heathrow

13:05 - 18:59NOC Knock Intl-ORD Chicago O'Hare Intl

11h 54m1 stop London Heathrow

€877Multiple Airlines

3+ days ago

Fri, 4 Dec - Fri, 11 Dec

13:55 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

16h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

13:05 - 09:08NOC Knock Intl-ORD Chicago O'Hare Intl

26h 03m2 stops London Heathrow Toronto Pearson Intl

€913Multiple Airlines

3+ days ago

Tue, 23 Mar - Sun, 28 Mar

22:50 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

32h 40m1 stop London Heathrow

13:05 - 18:59NOC Knock Intl-ORD Chicago O'Hare Intl

11h 54m1 stop London Heathrow

€933Multiple Airlines

3+ days ago

Fri, 4 Dec - Fri, 11 Dec

17:10 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

13h 20m1 stop London Heathrow

13:05 - 19:25NOC Knock Intl-ORD Chicago O'Hare Intl

12h 20m1 stop London Heathrow

€953British Airways

3+ days ago

Fri, 4 Dec - Fri, 11 Dec

16:45 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

13h 45m2 stops Charlotte Douglas London Heathrow

13:05 - 19:25NOC Knock Intl-ORD Chicago O'Hare Intl

12h 20m1 stop London Heathrow

€957British Airways

3+ days ago

Tue, 23 Mar - Sun, 28 Mar

13:55 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

17h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

16:00 - 18:15NOC Knock Intl-ORD Chicago O'Hare Intl

32h 15m3 stops Edinburgh Turnhouse Kastrup Copenhagen Reykjavik Keflavik Intl

€1,084Multiple Airlines

3+ days ago

Tue, 23 Mar - Sun, 28 Mar

07:05 - 16:55ORD Chicago O'Hare Intl-NOC Knock Intl

28h 50m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Bristol

16:00 - 18:15NOC Knock Intl-ORD Chicago O'Hare Intl

32h 15m3 stops Edinburgh Turnhouse Kastrup Copenhagen Reykjavik Keflavik Intl

€1,157Multiple Airlines

3+ days ago

Mon, 9 Nov - Thu, 12 Nov

21:50 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

32h 40m1 stop London Heathrow

13:05 - 19:30NOC Knock Intl-ORD Chicago O'Hare Intl

12h 25m1 stop London Heathrow

€1,203British Airways

3+ days ago

Mon, 9 Nov - Thu, 12 Nov

11:47 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

42h 43m2 stops Charlotte Douglas London Heathrow

13:05 - 19:30NOC Knock Intl-ORD Chicago O'Hare Intl

12h 25m1 stop London Heathrow

€1,208British Airways

3+ days ago

Booking Insights

Price, demand, and travel trends for Chicago O'Hare Intl Airport to Knock flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Chicago O'Hare Intl Airport to Knock?: British Airways (€953) offered the cheapest return ticket from Chicago O'Hare Intl Airport to Knock in the last 5 days.

Find deals

Cheapest flight	€356

One-way flight from Chicago O'Hare Intl Airport to Knock

When to book flights from O'Hare Intl to Knock

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Knock based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How long is a flight from Chicago O'Hare Intl Airport to Knock?
A direct flight from Chicago O'Hare Intl Airport to Knock takes 00m, covering 9,198 km.
Do I need a passport to fly from Chicago O'Hare Intl Airport to Knock?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Chicago O'Hare Intl Airport to Knock changed much recently?
Yes. Based on fares seen in the past 5 days, return prices on this route varied from about €864 to €1,363. That means the highest observed fare was about 57% higher than the lowest one.
Which car hire options are available at Knock Intl Airport (NOC)?
Knock Intl Airport (NOC) hosts 5 major car hire companies, with daily rates starting from around €4 for economy cars. Top options include:

• Budget
• Europcar
• Thrifty
• Avis
• Hertz
Which airports can I use when flying from Chicago O'Hare Intl Airport to Knock?
Flights from Chicago O'Hare Intl Airport to Knock usually depart from Chicago O'Hare Intl (ORD) and arrive at Knock Intl (NOC).
What is the time difference between Chicago O'Hare Intl Airport and Knock?
Knock is 5 hours ahead of Chicago O'Hare Intl Airport (Irish Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

More options for your flight from O'Hare Intl to Knock

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ORD - NOC

€356 Find Cheap Flights from Chicago to Knock – Compare and Save

Everything you should know

Cheap Flights from Chicago to Knock (ORD-NOC)

Recent return flight deals from O'Hare Intl to Knock

Recent one-way flight deals from O'Hare Intl to Knock

Price, demand, and travel trends for Chicago O'Hare Intl Airport to Knock flights

Which airline is the cheapest to fly from Chicago O'Hare Intl Airport to Knock?

Key details for Chicago O'Hare Intl Airport to Knock flights

Cheapest flight

When to book flights from O'Hare Intl to Knock

Your Chicago O'Hare Intl Airport to Knock flight questions, answered

More options for your flight from O'Hare Intl to Knock

Complete your trip to Knock with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights to Knock

Flights from domestic origins to Knock

Flights to other popular destinations