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Cheap flights from Illinois to Knock from $407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Knock departing on 4/23. 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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Find the cheapest flights from Illinois to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:43 am - 12:35 pm
ORD
-
NOC
19h 52m
2 stops
Multiple Airlines Logo
1:05 pm - 2:55 pm
NOC
-
ORD
31h 50m
2 stops
$850Multiple Airlines
lun., abr. 20 - lun., abr. 27
Multiple Airlines Logo
6:10 pm - 12:35 pm
ORD
-
NOC
12h 25m
1 stop
Multiple Airlines Logo
1:05 pm - 9:10 am
NOC
-
ORD
26h 05m
2 stops
$954Multiple Airlines
lun., abr. 20 - lun., abr. 27
Multiple Airlines Logo
6:05 pm - 12:35 pm
ORD
-
NOC
12h 30m
1 stop
Multiple Airlines Logo
1:05 pm - 7:25 am
NOC
-
ORD
24h 20m
2 stops
$967Multiple Airlines
mié., sep. 2 - dom., sep. 13
Aer Lingus Logo
3:45 pm - 12:35 pm
ORD
-
NOC
14h 50m
2 stops
Aer Lingus Logo
1:05 pm - 2:00 pm
NOC
-
ORD
30h 55m
2 stops
$971Aer Lingus
mar., abr. 7 - lun., abr. 13
Multiple Airlines Logo
2:52 pm - 12:35 pm
ORD
-
NOC
15h 43m
2 stops
Multiple Airlines Logo
1:05 pm - 7:25 am
NOC
-
ORD
24h 20m
2 stops
$972Multiple Airlines
mié., sep. 2 - dom., sep. 13
Multiple Airlines Logo
5:00 pm - 12:35 pm
ORD
-
NOC
13h 35m
1 stop
Multiple Airlines Logo
1:05 pm - 2:55 pm
NOC
-
ORD
31h 50m
1 stop
$982Multiple Airlines
lun., abr. 20 - lun., abr. 27
Multiple Airlines Logo
1:54 pm - 12:35 pm
ORD
-
NOC
16h 41m
2 stops
Multiple Airlines Logo
1:05 pm - 12:20 pm
NOC
-
ORD
29h 15m
1 stop
$985Multiple Airlines
lun., abr. 13 - lun., abr. 20
British Airways Logo
1:07 pm - 12:35 pm
ORD
-
NOC
17h 28m
2 stops
British Airways Logo
1:05 pm - 2:00 pm
NOC
-
ORD
30h 55m
2 stops
$988British Airways
lun., abr. 13 - lun., abr. 20
British Airways Logo
3:15 pm - 12:35 pm
ORD
-
NOC
15h 20m
2 stops
British Airways Logo
1:05 pm - 11:54 pm
NOC
-
ORD
16h 49m
2 stops
$1,035British Airways
dom., may. 10 - dom., may. 17
British Airways Logo
11:22 am - 12:35 pm
ORD
-
NOC
19h 13m
2 stops
British Airways Logo
1:05 pm - 12:25 pm
NOC
-
ORD
29h 20m
1 stop
$1,048British Airways
dom., may. 10 - dom., may. 17

Aer Lingus flights from Illinois to Knock

Our best Aer Lingus deals on Illinois to Knock flight tickets
Aer Lingus
Apr 7
ORD3:45 pmChicago O'Hare Intl
14h 50m
2 stops
NOC12:35 pmKnock Intl
Apr 13
NOC1:05 pmKnock Intl
30h 55m
2 stops
ORD2:00 pmChicago O'Hare Intl
$971
Aer Lingus
Mar 30
ORD5:00 pmChicago O'Hare Intl
13h 35m
1 stop
NOC12:35 pmKnock Intl
Apr 6
NOC1:05 pmKnock Intl
49h 51m
2 stops
ORD8:56 amChicago O'Hare Intl
$1,797

British Airways flights from Illinois to Knock

Our best British Airways deals on Illinois to Knock flight tickets
British Airways
Apr 13
ORD1:07 pmChicago O'Hare Intl
17h 28m
2 stops
NOC12:35 pmKnock Intl
Apr 20
NOC1:05 pmKnock Intl
30h 55m
2 stops
ORD2:00 pmChicago O'Hare Intl
$988
British Airways
May 10
ORD3:15 pmChicago O'Hare Intl
15h 20m
2 stops
NOC12:35 pmKnock Intl
May 17
NOC1:05 pmKnock Intl
16h 49m
2 stops
ORD11:54 pmChicago O'Hare Intl
$1,035
British Airways
May 10
ORD11:22 amChicago O'Hare Intl
19h 13m
2 stops
NOC12:35 pmKnock Intl
May 17
NOC1:05 pmKnock Intl
29h 20m
1 stop
ORD12:25 pmChicago O'Hare Intl
$1,048

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 marzo 28, 2026.
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

Cheapest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

lun. 4/20

10:43 am-12:35 pm

2 stops19h 52m

Knock Intl

lun. 4/27

1:05 pm-2:55 pm

2 stops31h 50m

$850

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

lun. 4/20

6:10 pm-12:35 pm

1 stop12h 25m

Knock Intl

lun. 4/27

1:05 pm-9:10 am

2 stops26h 05m

$954

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

mié. 9/2

6:05 pm-12:35 pm

1 stop12h 30m

Knock Intl

dom. 9/13

1:05 pm-7:25 am

2 stops24h 20m

$967

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

mar. 4/7

3:45 pm-12:35 pm

2 stops14h 50m

Knock Intl

lun. 4/13

1:05 pm-2:00 pm

2 stops30h 55m

$971

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

mié. 9/2

2:52 pm-12:35 pm

2 stops15h 43m

Knock Intl

dom. 9/13

1:05 pm-7:25 am

2 stops24h 20m

$972

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

lun. 4/20

5:00 pm-12:35 pm

1 stop13h 35m

Knock Intl

lun. 4/27

1:05 pm-2:55 pm

1 stop31h 50m

$982

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

lun. 4/13

1:54 pm-12:35 pm

2 stops16h 41m

Knock Intl

lun. 4/20

1:05 pm-12:20 pm

1 stop29h 15m

$985

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

lun. 4/13

1:07 pm-12:35 pm

2 stops17h 28m

Knock Intl

lun. 4/20

1:05 pm-2:00 pm

2 stops30h 55m

$988
Quickest round-trip

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

dom. 5/10

3:15 pm-12:35 pm

2 stops15h 20m

Knock Intl

dom. 5/17

1:05 pm-11:54 pm

2 stops16h 49m

$1,035

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

dom. 5/10

11:22 am-12:35 pm

2 stops19h 13m

Knock Intl

dom. 5/17

1:05 pm-12:25 pm

1 stop29h 20m

$1,048

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Knock from

How to get the cheapest flight ticket from Illinois to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Knock Intl?

British Airways is the most popular carrier operating from Illinois to Knock Intl

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.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
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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lun. 4/27
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