Cheap flights from Illinois to Knock from $910

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

British Airways Logo
5:10 pm - 12:25 pmORD-NOC
13h 15m1 stop
British Airways Logo
1:00 pm - 3:25 pmNOC-ORD
32h 25m1 stop
$910British Airways
Find Deal
Sun, Nov 9 - Sun, Nov 16
 Logo
5:40 pm - 12:35 pmORD-NOC
12h 55m1 stop
 Logo
1:05 pm - 11:50 amNOC-ORD
28h 45m1 stop
Sun, Oct 5 - Sun, Oct 12
Aer Lingus Logo
3:45 pm - 12:35 pmORD-NOC
14h 50m2 stops
Aer Lingus Logo
1:05 pm - 1:50 pmNOC-ORD
30h 45m1 stop
$948Aer Lingus
Find Deal
Sun, Oct 5 - Sun, Oct 12
Aer Lingus Logo
3:45 pm - 12:35 pmORD-NOC
14h 50m2 stops
Aer Lingus Logo
1:05 pm - 2:00 pmNOC-ORD
30h 55m2 stops
$957Aer Lingus
Find Deal
Sun, Oct 5 - Sun, Oct 12
Aer Lingus Logo
3:45 pm - 12:35 pmORD-NOC
14h 50m2 stops
Aer Lingus Logo
1:05 pm - 1:50 pmNOC-ORD
30h 45m1 stop
$971Aer Lingus
Find Deal
Thu, Oct 16 - Mon, Oct 20
Aer Lingus Logo
9:15 pm - 12:35 pmORD-NOC
33h 20m1 stop
Aer Lingus Logo
1:05 pm - 1:50 pmNOC-ORD
30h 45m1 stop
$1,007Aer Lingus
Find Deal
Thu, Oct 16 - Mon, Oct 20
 Logo
7:25 pm - 12:35 pmORD-NOC
35h 10m3 stops
 Logo
1:05 pm - 6:15 pmNOC-ORD
35h 10m3 stops
$1,345
Find Deal
Sun, Oct 5 - Sun, Oct 12
 Logo
7:25 pm - 12:35 pmORD-NOC
35h 10m3 stops
 Logo
1:05 pm - 2:00 pmNOC-ORD
30h 55m2 stops
$1,351
Find Deal
Sun, Oct 5 - Sun, Oct 12

Aer Lingus flights from Illinois to Knock

Our best Aer Lingus deals on Illinois to Knock flight tickets
Aer Lingus
Oct 5
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Oct 12
NOC1:05 pmKnock Intl
30h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
Aer Lingus
Oct 5
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Oct 12
NOC1:05 pmKnock Intl
30h 55m
2 stops
ORD2:00 pmChicago O'Hare Intl
Aer Lingus
Oct 16
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Oct 20
NOC1:05 pmKnock Intl
30h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
Nov 9
ORD5:10 pmChicago O'Hare Intl
13h 15m
1 stop
NOC12:25 pmKnock Intl
Nov 16
NOC1:00 pmKnock Intl
32h 25m
1 stop
ORD3:25 pmChicago O'Hare Intl
British Airways
Aug 29
ORD5:40 pmChicago O'Hare Intl
12h 55m
1 stop
NOC12:35 pmKnock Intl
Sep 7
NOC1:05 pmKnock Intl
33h 55m
1 stop
ORD5:00 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Illinois to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 11/9

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Sun 11/16

1:00 pm-3:25 pm

1 stop32h 25m

$910

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/5

5:40 pm-12:35 pm

1 stop12h 55m

Knock Intl

Sun 10/12

1:05 pm-11:50 am

1 stop28h 45m

$937

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/5

3:45 pm-12:35 pm

2 stops14h 50m

Knock Intl

Sun 10/12

1:05 pm-1:50 pm

1 stop30h 45m

$948

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/5

3:45 pm-12:35 pm

2 stops14h 50m

Knock Intl

Sun 10/12

1:05 pm-2:00 pm

2 stops30h 55m

$957

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 10/16

3:45 pm-12:35 pm

2 stops14h 50m

Knock Intl

Mon 10/20

1:05 pm-1:50 pm

1 stop30h 45m

$971

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Thu 10/16

9:15 pm-12:35 pm

1 stop33h 20m

Knock Intl

Mon 10/20

1:05 pm-1:50 pm

1 stop30h 45m

$1,007

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/5

7:25 pm-12:35 pm

3 stops35h 10m

Knock Intl

Sun 10/12

1:05 pm-6:15 pm

3 stops35h 10m

$1,345

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 10/5

7:25 pm-12:35 pm

3 stops35h 10m

Knock Intl

Sun 10/12

1:05 pm-2:00 pm

2 stops30h 55m

$1,351

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

Direct flights

None
There are no direct flights from Illinois to Knock. There are no popular flight routes from Illinois to Knock.
  • 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.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
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.

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1 adult
Tue 8/26
Tue 9/2

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