How do I get Price Alerts for flights from Illinois to Knock?

Confirm your travel details to search for the latest offers for flights from Illinois to Knock . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Illinois 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.

When did momondo last update prices for flights from Illinois to Knock Intl Airport?

Prices for flights from Illinois to Knock Intl Airport are updated daily.

How old do you have to be to fly from Illinois to Knock Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Knock Intl Airport.

What documentation or ID do you need to fly to Knock Intl Airport?

The travel and health documents you'll need for your trip to Knock Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knock Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$841 Cheap Flights from Illinois to Knock in 2025/26

1 adult

0 bags

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Find the cheapest flights from Illinois to Knock

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7:45 pm - 12:25 pm

ORD

NOC

11h 40m1 stop

1:00 pm - 3:55 pm

NOC

ORD

55h 55m2 stops

$841British Airways

Wed, Mar 11 - Sun, Mar 15

4:19 pm - 12:25 pm

ORD

NOC

15h 06m2 stops

1:00 pm - 3:55 pm

NOC

ORD

55h 55m2 stops

$846British Airways

Wed, Mar 11 - Sun, Mar 15

7:45 pm - 12:25 pm

ORD

NOC

11h 40m1 stop

1:00 pm - 6:00 pm

NOC

ORD

34h 00m1 stop

$885British Airways

Wed, Mar 11 - Sun, Mar 15

7:45 pm - 12:25 pm

ORD

NOC

11h 40m1 stop

1:00 pm - 6:00 pm

NOC

ORD

34h 00m1 stop

$886British Airways

Wed, Mar 11 - Sun, Mar 15

1:44 pm - 12:35 pm

ORD

NOC

16h 51m2 stops

1:05 pm - 12:59 am

NOC

ORD

17h 54m2 stops

$1,011British Airways

Sat, May 16 - Sat, May 23

7:05 pm - 12:35 pm

ORD

NOC

11h 30m1 stop

1:05 pm - 12:59 am

NOC

ORD

17h 54m2 stops

$1,080British Airways

Sat, May 16 - Sat, May 23

7:05 pm - 12:35 pm

ORD

NOC

11h 30m1 stop

1:05 pm - 12:59 am

NOC

ORD

17h 54m2 stops

$1,873British Airways

Sat, Jun 13 - Mon, Jun 29

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets

British Airways

Mar 11

ORD7:45 pmChicago O'Hare Intl

11h 40m

1 stop

NOC12:25 pmKnock Intl

Mar 15

NOC1:00 pmKnock Intl

55h 55m

2 stops

ORD3:55 pmChicago O'Hare Intl

$841

Find similar

British Airways

Mar 11

ORD4:19 pmChicago O'Hare Intl

15h 06m

2 stops

NOC12:25 pmKnock Intl

Mar 15

NOC1:00 pmKnock Intl

55h 55m

2 stops

ORD3:55 pmChicago O'Hare Intl

$846

Find similar

British Airways

Mar 11

ORD7:45 pmChicago O'Hare Intl

11h 40m

1 stop

NOC12:25 pmKnock Intl

Mar 15

NOC1:00 pmKnock Intl

34h 00m

1 stop

ORD6:00 pmChicago O'Hare Intl

$885

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/11

7:45 pm-12:25 pm

1 stop11h 40m

Knock Intl

Sun 3/15

1:00 pm-3:55 pm

2 stops55h 55m

$841

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/11

4:19 pm-12:25 pm

2 stops15h 06m

Knock Intl

Sun 3/15

1:00 pm-3:55 pm

2 stops55h 55m

$846

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/11

7:45 pm-12:25 pm

1 stop11h 40m

Knock Intl

Sun 3/15

1:00 pm-6:00 pm

1 stop34h 00m

$885

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/11

7:45 pm-12:25 pm

1 stop11h 40m

Knock Intl

Sun 3/15

1:00 pm-6:00 pm

1 stop34h 00m

$886

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 5/16

1:44 pm-12:35 pm

2 stops16h 51m

Knock Intl

Sat 5/23

1:05 pm-12:59 am

2 stops17h 54m

$1,011

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 5/16

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Sat 5/23

1:05 pm-12:59 am

2 stops17h 54m

$1,080

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sat 6/13

7:05 pm-12:35 pm

1 stop11h 30m

Knock Intl

Mon 6/29

1:05 pm-12:59 am

2 stops17h 54m

$1,873

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Knock

Fastest flight time	11h 30m
Direct flights	None

The fastest flight from Illinois to Knock takes 11h 30m

There are no direct flights from Illinois to Knock. There are no popular flight routes from Illinois to Knock.

Search flight deals

When did momondo last update prices for flights from Illinois to Knock Intl Airport?
Prices for flights from Illinois to Knock Intl Airport are updated daily.
How old do you have to be to fly from Illinois to Knock Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Knock Intl Airport.
What documentation or ID do you need to fly to Knock Intl Airport?
The travel and health documents you'll need for your trip to Knock Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knock Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Illinois to Knock?
Confirm your travel details to search for the latest offers for flights from Illinois to Knock. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Illinois 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.

Westport

Sligo

Newport

Carrick-on-Shannon

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Knock?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Knock for you.

Can I find flights from Illinois to Knock with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knock from Illinois with this policy.

How can momondo help me find flights from Illinois to Knock?

momondo provides multiple filters to help you find the best flight to Knock from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois 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

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Cheap flights from Illinois to Knock from $841

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Knock departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Knock

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British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets

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Use the filters below to find and compare flights from Illinois to Knock that are best for you.

Cheap Illinois to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Knock

Fastest flight time

Direct flights

When did momondo last update prices for flights from Illinois to Knock Intl Airport?

How old do you have to be to fly from Illinois to Knock Intl Airport?

What documentation or ID do you need to fly to Knock Intl Airport?

How do I get Price Alerts for flights from Illinois to Knock?

How can I save money on flights from Illinois to Knock with momondo?

How does momondo find its flight prices?

Traveling to a place near Knock?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Knock?

Can I find flights from Illinois to Knock with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Knock?

I’m not ready to book a flight from Illinois to Knock right now. Can momondo alert me if prices change?

An easier way to manage your Knock trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland