How does KAYAK find such low prices on flights from Illinois to Knock?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Knock.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Knock?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knock from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Knock?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Knock with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Knock?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knock from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Cheap Flights from Illinois to Knock

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Cheap Flights from Illinois to Knock

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

Return

Recent return flight deals from Illinois to Knock

Mon, 2 Nov - Mon, 9 Nov

08:49 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

45h 41m2 stops Vancouver Intl London Heathrow

13:05 - 14:37NOC Knock Intl-ORD Chicago O'Hare Intl

55h 32m2 stops London Heathrow Vancouver Intl

€797Multiple Airlines

Sun, 1 Nov - Sun, 8 Nov

08:49 - 12:30ORD Chicago O'Hare Intl-NOC Knock Intl

45h 41m2 stops Vancouver Intl London Heathrow

13:05 - 11:07NOC Knock Intl-ORD Chicago O'Hare Intl

52h 02m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl

€800Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

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

32h 40m1 stop London Heathrow

13:05 - 13:45NOC Knock Intl-ORD Chicago O'Hare Intl

30h 40m1 stop London Heathrow

€814Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

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

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

13:05 - 10:45NOC Knock Intl-ORD Chicago O'Hare Intl

27h 40m1 stop London Heathrow

€817Multiple Airlines

Sun, 1 Nov - Sun, 8 Nov

15:55 - 12:25ORD Chicago O'Hare Intl-NOC Knock Intl

14h 30m2 stops Dublin London Heathrow

13:00 - 19:30NOC Knock Intl-ORD Chicago O'Hare Intl

12h 30m1 stop London Heathrow

€864British Airways

Sun, 1 Nov - Sun, 8 Nov

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

32h 40m1 stop London Heathrow

13:05 - 16:55NOC Knock Intl-ORD Chicago O'Hare Intl

33h 50m1 stop London Heathrow

€882Multiple Airlines

Sun, 1 Nov - Sun, 8 Nov

18:30 - 13:40ORD Chicago O'Hare Intl-NOC Knock Intl

13h 10m2 stops Reykjavik Keflavik Intl Manchester

14:35 - 18:20NOC Knock Intl-ORD Chicago O'Hare Intl

33h 45m3 stops Manchester Paris Charles de Gaulle Dublin

€938Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

15:55 - 16:50ORD Chicago O'Hare Intl-NOC Knock Intl

18h 55m2 stops Dublin London Luton

18:45 - 17:20NOC Knock Intl-ORD Chicago O'Hare Intl

28h 35m3 stops London Luton Dublin Reykjavik Keflavik Intl

€953Multiple Airlines

Sun, 1 Nov - Sun, 8 Nov

12:50 - 13:40ORD Chicago O'Hare Intl-NOC Knock Intl

18h 50m3 stops Toronto Pearson Intl Dublin Manchester

14:35 - 18:20NOC Knock Intl-ORD Chicago O'Hare Intl

33h 45m3 stops Manchester Paris Charles de Gaulle Dublin

€1,054Multiple Airlines

Mon, 9 Nov - Thu, 12 Nov

18:35 - 12:25ORD Chicago O'Hare Intl-NOC Knock Intl

11h 50m1 stop London Heathrow

13:00 - 13:45NOC Knock Intl-ORD Chicago O'Hare Intl

30h 45m1 stop London Heathrow

€1,154British Airways

Useful Info

Cheapest flight	€797

Flight from Chicago to Knock

How does KAYAK find such low prices on flights from Illinois to Knock?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Knock.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Knock?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knock from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Knock?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Knock with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Knock?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knock from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.