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).

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, round-trip prices on this route showed a wide range, from about $951 to $1,923. That means the highest observed fare was about 2x higher than the lowest one.

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

Knock is 6 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.

What car rental options are available at Knock Intl Airport (NOC)?

Knock Intl Airport (NOC) hosts 5 major car rental companies, with daily rates averaging $32 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 ($1,037) and Aer Lingus ($1,043) are the cheapest airlines to fly round-trip from Chicago O'Hare Intl Airport to Knock according to KAYAK data over the last 5 days.

$951 CHEAP FLIGHTS from Chicago to Knock (ORD - NOC)

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Cheapest round-trip

$951

Typical prices: $1,583-$1,583

Multiple Airlines

Mon 2/5Mon 2/12

ORD - NOC • 2 stops

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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.

Round-trip

One-way

Recent round-trip flight deals from Chicago to Knock

Fri, Feb 5 - Fri, Feb 12

1:55 pm - 4:25 pmORD Chicago O'Hare Intl-NOC Knock Intl

20h 30m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

5:55 pm - 5:20 pmNOC Knock Intl-ORD Chicago O'Hare Intl

29h 25m3 stops London Stansted Dublin Reykjavik Keflavik Intl

$951Multiple Airlines

Fri, Feb 5 - Fri, Feb 12

7:05 am - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

23h 25m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 7:02 pmNOC Knock Intl-ORD Chicago O'Hare Intl

35h 57m2 stops London Heathrow Toronto Pearson Intl

$992Multiple Airlines

Fri, Feb 5 - Fri, Feb 12

4:30 pm - 4:25 pmORD Chicago O'Hare Intl-NOC Knock Intl

17h 55m3 stops Toronto Pearson Intl Kastrup Copenhagen London Stansted

5:55 pm - 5:20 pmNOC Knock Intl-ORD Chicago O'Hare Intl

29h 25m3 stops London Stansted Dublin Reykjavik Keflavik Intl

$1,004Multiple Airlines

Fri, Feb 5 - Fri, Feb 12

1:55 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

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

1:05 pm - 7:15 pmNOC Knock Intl-ORD Chicago O'Hare Intl

12h 10m1 stop London Heathrow

$1,026Multiple Airlines

Fri, Feb 5 - Fri, Feb 12

6:45 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

11h 45m1 stop London Heathrow

1:05 pm - 7:15 pmNOC Knock Intl-ORD Chicago O'Hare Intl

12h 10m1 stop London Heathrow

$1,037British Airways

Wed, Mar 10 - Fri, Mar 19

6:50 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

11h 40m1 stop London Heathrow

1:05 pm - 8:15 pmNOC Knock Intl-ORD Chicago O'Hare Intl

12h 10m1 stop London Heathrow

$1,039British Airways

Wed, Nov 18 - Tue, Nov 24

3:55 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

14h 35m2 stops Dublin London Heathrow

1:05 pm - 6:20 pmNOC Knock Intl-ORD Chicago O'Hare Intl

35h 15m2 stops London Heathrow Dublin

$1,043Aer Lingus

Wed, Mar 10 - Fri, Mar 19

12:31 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

17h 59m2 stops New York John F Kennedy Intl London Heathrow

1:05 pm - 8:15 pmNOC Knock Intl-ORD Chicago O'Hare Intl

12h 10m1 stop London Heathrow

$1,044British Airways

Fri, Mar 12 - Fri, Mar 19

7:05 am - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

23h 25m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 7:02 pmNOC Knock Intl-ORD Chicago O'Hare Intl

34h 57m2 stops London Heathrow Toronto Pearson Intl

$1,049Multiple Airlines

Wed, Mar 10 - Wed, Mar 17

3:19 pm - 12:30 pmORD Chicago O'Hare Intl-NOC Knock Intl

15h 11m2 stops Boston Logan Intl London Heathrow

1:05 pm - 7:39 pmNOC Knock Intl-ORD Chicago O'Hare Intl

35h 34m2 stops London Heathrow Toronto Pearson Intl

$1,052British Airways

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 ($1,037) and Aer Lingus ($1,043) are the cheapest airlines to fly round-trip from Chicago O'Hare Intl Airport to Knock according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$951

Round-trip flight from Chicago O'Hare Intl Airport to Knock

When to book flights from Chicago to Knock

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

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, round-trip prices on this route showed a wide range, from about $951 to $1,923. That means the highest observed fare was about 2x higher than the lowest one.
What car rental options are available at Knock Intl Airport (NOC)?
Knock Intl Airport (NOC) hosts 5 major car rental companies, with daily rates averaging $32 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 6 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.

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ORD - NOC

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Everything you should know

Cheap Flights from Chicago to Knock (ORD-NOC)

Recent round-trip flight deals from Chicago to Knock

Recent one-way flight deals from Chicago 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 Chicago to Knock

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

More options for your flight from Chicago to Knock

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

Information on your arrival and departure airports

Cabin class types available on flights to Knock

Find direct flights to and from Chicago and Knock

Flights from domestic origins to Knock

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