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

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Thu, Dec 10 - Thu, Dec 17

5:40 pm - 7:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 10m2 stops Madrid Barajas Dublin

1:25 pm - 2:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 45m1 stop Dublin

$996Multiple Airlines

Thu, Dec 10 - Thu, Dec 17

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

29h 45m1 stop Dublin

1:25 pm - 2:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 45m1 stop Dublin

$1,051Multiple Airlines

Fri, Dec 25 - Mon, Dec 28

3:55 pm - 7:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

9h 55m1 stop Dublin

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

15h 45m1 stop Dublin

$1,066Multiple Airlines

Sat, Dec 12 - Sat, Dec 19

8:05 pm - 8:10 amORD Chicago O'Hare Intl-CWL Cardiff Wales

30h 05m1 stop Dublin

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

15h 05m2 stops Dublin Reykjavik Keflavik Intl

$1,069Multiple Airlines

Wed, Jan 13 - Wed, Jan 20

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

$1,099KLM

Wed, Jan 13 - Wed, Jan 20

11:20 am - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 30m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,103KLM

Wed, Jan 13 - Wed, Jan 20

12:00 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

15h 50m2 stops Boston Logan Intl Amsterdam Schiphol

10:20 am - 8:32 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 12m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,113Delta

Thu, Feb 25 - Sat, Feb 27

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

$1,119Virgin Atlantic

Thu, Feb 25 - Sat, Feb 27

12:15 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

15h 35m2 stops Minneapolis St Paul Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,123KLM

Mon, Nov 23 - Mon, Nov 30

1:35 pm - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

14h 10m2 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

$1,127KLM

Useful Info

Cheapest flight	$759

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.