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.

$535 CHEAP FLIGHTS from Illinois to Cardiff

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Flight Deals

Cheap Flights from Illinois to Cardiff

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

Round-trip

One-way

Recent round-trip flight deals from Illinois to Cardiff

Wed, Jan 13 - Sun, Jan 17

9:00 pm - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 00m1 stop Dublin

2:25 pm - 4:45 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 20m2 stops Dublin Kastrup Copenhagen

$787Multiple Airlines

Thu, Nov 12 - Sat, Nov 21

6:30 pm - 7:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

31h 20m2 stops Reykjavik Keflavik Intl Dublin

8:15 am - 6:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 05m1 stop Dublin

$860Multiple Airlines

Thu, Nov 12 - Sat, Nov 21

6:30 pm - 3:40 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

15h 10m2 stops Reykjavik Keflavik Intl Dublin

8:15 am - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

15h 05m2 stops Dublin Reykjavik Keflavik Intl

$899Multiple Airlines

Thu, Nov 12 - Sat, Nov 21

6:00 am - 3:40 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

27h 40m3 stops Baltimore/Washington Reykjavik Keflavik Intl Dublin

8:15 am - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

15h 05m2 stops Dublin Reykjavik Keflavik Intl

$905Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

1:55 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

13h 55m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$915KLM

Tue, Nov 3 - Tue, Nov 10

1:27 pm - 9:50 amMDW Chicago Midway-CWL Cardiff Wales

14h 23m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:30 pm - 4:39 pmCWL Cardiff Wales-MDW Chicago Midway

29h 09m2 stops Amsterdam Schiphol Minneapolis St Paul

$920KLM

Tue, Nov 3 - Tue, Nov 10

1:55 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

13h 55m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:30 pm - 4:18 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

28h 48m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$920KLM

Thu, Nov 12 - Sat, Nov 21

8:05 pm - 7:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

29h 45m1 stop Dublin

8:15 am - 2:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

11h 55m1 stop Dublin

$923Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

4:25 pm - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

11h 20m1 stop Amsterdam Schiphol

5:30 pm - 4:18 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

28h 48m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$927KLM

Wed, Jan 13 - Sun, Jan 17

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

$970Virgin Atlantic

Useful Info

Cheapest flight	$535

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.