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.

$414 CHEAP FLIGHTS from Illinois to Cardiff

Save 26% 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

Last minute

Recent round-trip flight deals from Illinois to Cardiff

Wed, Dec 9 - Tue, Dec 15

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

12h 30m2 stops Reykjavik Keflavik Intl Dublin

5:30 pm - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

29h 50m3 stops Amsterdam Schiphol Dublin Reykjavik Keflavik Intl

$960Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

3:55 pm - 8:10 amORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 15m1 stop Dublin

8:15 am - 3:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

37h 15m2 stops Dublin Lisbon Humberto Delgado

$989Multiple Airlines

Mon, Mar 8 - Mon, Mar 15

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

11h 25m1 stop Amsterdam Schiphol

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

28h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,026KLM

Mon, Mar 8 - Mon, Mar 15

1:30 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

14h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

28h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,030KLM

Wed, Dec 9 - Tue, Dec 15

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

18h 35m1 stop Amsterdam Schiphol

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

34h 05m1 stop Amsterdam Schiphol

$1,056Virgin Atlantic

Wed, Dec 9 - Tue, Dec 15

6:03 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 57m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

34h 05m1 stop Amsterdam Schiphol

$1,079Virgin Atlantic

Wed, Dec 9 - Tue, Dec 15

1:35 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

21h 25m2 stops New York John F Kennedy Intl Amsterdam Schiphol

10:20 am - 12:50 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 30m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,085Virgin Atlantic

Wed, Dec 9 - Tue, Dec 15

7:25 am - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

23h 35m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

5:30 pm - 3:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

28h 00m3 stops Amsterdam Schiphol Zurich Lisbon Humberto Delgado

$1,163Multiple Airlines

Sun, Nov 29 - Sat, Dec 5

3:55 pm - 8:10 amORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 15m1 stop Dublin

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

11h 55m1 stop Dublin

$1,177Multiple Airlines

Sun, Dec 13 - Sun, Dec 27

3:55 pm - 8:10 amORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 15m1 stop Dublin

9:05 am - 2:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

35h 05m2 stops Alicante Dublin

$1,269Multiple Airlines

Recent last minute flight deals from Illinois to Cardiff

Sun, Nov 15 - Sun, Nov 22

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

11h 25m1 stop Amsterdam Schiphol

10:20 am - 5:05 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

36h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,254Virgin Atlantic

Sun, Nov 15 - Sun, Nov 22

6:15 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:30 pm - 6:44 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

31h 14m2 stops Amsterdam Schiphol Boston Logan Intl

$1,273KLM

Sun, Nov 15 - Sun, Nov 22

7:10 pm - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 35m3 stops Kastrup Copenhagen Paris Charles de Gaulle Amsterdam Schiphol

5:30 pm - 4:45 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

29h 15m3 stops Amsterdam Schiphol Paris Charles de Gaulle Kastrup Copenhagen

$1,335Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

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

$1,336Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

6:15 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,422Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

9:50 pm - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

29h 55m3 stops Munich Franz Josef Strauss Paris Charles de Gaulle Amsterdam Schiphol

5:30 pm - 2:05 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

26h 35m2 stops Amsterdam Schiphol Paris Charles de Gaulle

$1,614Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

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

11h 25m1 stop Amsterdam Schiphol

5:30 pm - 5:43 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 13m3 stops Amsterdam Schiphol Paris Charles de Gaulle Toronto Pearson Intl

$1,717Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

6:25 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 35m2 stops Paris Charles de Gaulle Amsterdam Schiphol

5:30 pm - 5:43 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 13m3 stops Amsterdam Schiphol Paris Charles de Gaulle Toronto Pearson Intl

$1,889Multiple Airlines

Sun, Nov 15 - Sun, Nov 29

6:30 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Amsterdam Schiphol

5:30 pm - 5:43 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 13m3 stops Amsterdam Schiphol Paris Charles de Gaulle Toronto Pearson Intl

$1,919Multiple Airlines

Useful Info

Cheapest flight	$414

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.