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.

$391 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

Recent round-trip flight deals from Illinois to Cardiff

Mon, Feb 15 - Mon, Feb 22

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

18h 35m1 stop Amsterdam Schiphol

5:30 pm - 4:37 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

29h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,027KLM

Mon, Feb 15 - Mon, Feb 22

11:10 am - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 40m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:30 pm - 4:37 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

29h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,031KLM

Mon, Feb 15 - Sun, Feb 21

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

$1,067Virgin Atlantic

Mon, Feb 15 - Sun, Feb 21

3:50 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

19h 10m2 stops Minneapolis St Paul Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,072KLM

Mon, Feb 15 - Sun, Feb 21

3:50 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

19h 10m2 stops Minneapolis St Paul Amsterdam Schiphol

10:20 am - 11:50 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

19h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,082Multiple Airlines

Mon, Feb 15 - Mon, Feb 22

9:00 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 45m3 stops Dublin Manchester Belfast City

8:35 am - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

14h 45m2 stops Dublin Reykjavik Keflavik Intl

$1,199Multiple Airlines

Mon, Feb 15 - Mon, Feb 22

9:00 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 45m3 stops Dublin Manchester Belfast City

8:35 am - 4:45 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

38h 10m3 stops Dublin Krakow J. Paul II Balice Kastrup Copenhagen

$1,259Multiple Airlines

Mon, Feb 15 - Sun, Feb 21

9:00 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 45m3 stops Dublin Manchester Belfast City

11:50 pm - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

23h 30m2 stops Dublin Reykjavik Keflavik Intl

$1,273Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

10:30 am - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

17h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:30 pm - 4:17 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

28h 47m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,284KLM

Mon, Feb 15 - Sun, Feb 21

9:00 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 45m3 stops Dublin Manchester Belfast City

8:50 am - 4:45 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

37h 55m3 stops Dublin Krakow J. Paul II Balice Kastrup Copenhagen

$1,364Multiple Airlines

Useful Info

Cheapest flight	$391

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.