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

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 Cardiff.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff 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 Cardiff?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cardiff 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 Cardiff?

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 Cardiff 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 Cardiff

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Cheap Flights from Illinois to Cardiff

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Cardiff

Wed, Dec 30 - Thu, Jan 14

8:05 pm - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 55m1 stop Dublin

1:25 pm - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

33h 55m2 stops Dublin Reykjavik Keflavik Intl

$858Multiple Airlines

Wed, Dec 30 - Thu, Jan 14

8:05 pm - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 55m1 stop Dublin

1:25 pm - 7:15 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

11h 50m1 stop Dublin

$921Multiple Airlines

Fri, Dec 4 - Fri, Dec 11

8:10 pm - 8:40 amORD Chicago O'Hare Intl-CWL Cardiff Wales

30h 30m2 stops Lisbon Humberto Delgado Alicante

4:05 pm - 6:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 15m1 stop Dublin

$1,004Multiple Airlines

Sun, Feb 14 - Fri, Feb 19

4:25 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 35m1 stop Amsterdam Schiphol

10:20 am - 8:37 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 17m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,028Delta

Wed, Dec 30 - Thu, Jan 14

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

12h 30m2 stops Reykjavik Keflavik Intl Dublin

1:25 pm - 6:45 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

35h 20m2 stops Dublin London Heathrow

$1,028Multiple Airlines

Sun, Feb 14 - Fri, Feb 19

9:50 am - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 00m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

10:20 am - 8:37 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 17m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,032Delta

Tue, Dec 8 - Mon, Dec 28

5:40 pm - 5:05 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

41h 25m2 stops Madrid Barajas Alicante

8:35 am - 6:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

15h 45m1 stop Dublin

$1,045Multiple Airlines

Sun, Nov 29 - Tue, Dec 15

4:25 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

11h 25m1 stop Amsterdam Schiphol

5:30 pm - 2:25 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

26h 55m1 stop Amsterdam Schiphol

$1,051Virgin Atlantic

Sun, Dec 6 - Tue, Dec 15

4:25 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

11h 25m1 stop Amsterdam Schiphol

10:20 am - 2:25 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

34h 05m1 stop Amsterdam Schiphol

$1,052KLM

Sun, Feb 14 - Fri, Feb 19

4:25 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 35m1 stop Amsterdam Schiphol

5:30 pm - 2:25 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

26h 55m1 stop Amsterdam Schiphol

$1,068KLM

Useful Info

Cheapest flight	$443

Flight from Chicago to Cardiff

How does KAYAK find such low prices on flights from Illinois to Cardiff?
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 Cardiff.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Cardiff?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff 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 Cardiff?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Cardiff 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 Cardiff?
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 Cardiff from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.