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.

$408 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

Last minute

Recent round-trip flight deals from Illinois to Cardiff

Mon, Nov 9 - Tue, Nov 24

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

$1,077KLM

Mon, Nov 9 - Tue, Nov 24

7:05 am - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

27h 55m2 stops Boston Logan Intl Amsterdam Schiphol

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

34h 05m1 stop Amsterdam Schiphol

$1,082Delta

Mon, Nov 9 - Tue, Nov 24

11:30 am - 9:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 15m2 stops New York LaGuardia Amsterdam Schiphol

10:20 am - 8:17 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

15h 57m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,092Delta

Mon, Nov 9 - Tue, Nov 24

6:30 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

35h 15m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City

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

29h 45m2 stops Granadilla Tenerife-Sur Dublin

$1,511Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

6:30 pm - 11:45 amORD Chicago O'Hare Intl-CWL Cardiff Wales

35h 15m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City

12:15 pm - 1:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

30h 55m3 stops Belfast City Edinburgh Turnhouse Frankfurt am Main

$1,652Multiple Airlines

Wed, Dec 23 - Fri, Jan 1

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

11h 20m1 stop Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,691Virgin Atlantic

Wed, Dec 23 - Fri, Jan 1

1:55 pm - 5:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

45h 05m2 stops Salt Lake City Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,802Multiple Airlines

Wed, Dec 23 - Fri, Jan 1

6:25 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

33h 25m2 stops New York John F Kennedy Intl Amsterdam Schiphol

10:20 am - 8:18 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

15h 58m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,853Multiple Airlines

Wed, Dec 23 - Fri, Jan 1

7:00 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 50m3 stops Lisbon Humberto Delgado Berlin Brandenburg Amsterdam Schiphol

11:10 pm - 2:10 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

21h 00m1 stop Dublin

$1,874Multiple Airlines

Wed, Dec 23 - Fri, Jan 1

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

11h 20m1 stop Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,907KLM

Recent last minute flight deals from Illinois to Cardiff

Sun, Oct 18 - Fri, Oct 23

3:45 pm - 9:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

24h 00m1 stop Dublin

10:45 pm - 11:00 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

42h 15m2 stops Dublin Istanbul

$1,327Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

3:45 pm - 9:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

24h 00m1 stop Dublin

7:45 am - 7:15 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

17h 30m1 stop Dublin

$1,428Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

3:45 pm - 9:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

24h 00m1 stop Dublin

7:45 am - 2:00 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

$1,435Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

4:15 pm - 4:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 30m1 stop Amsterdam Schiphol

9:45 am - 9:31 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

17h 46m2 stops Amsterdam Schiphol Boston Logan Intl

$1,445Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

9:59 am - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

17h 16m2 stops Minneapolis St Paul Amsterdam Schiphol

9:45 am - 9:31 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

17h 46m2 stops Amsterdam Schiphol Boston Logan Intl

$1,450Delta

Sun, Oct 18 - Fri, Oct 23

10:25 pm - 10:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

18h 20m2 stops Reykjavik Keflavik Intl Granadilla Tenerife-Sur

7:45 am - 5:16 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 31m3 stops Dublin Calgary Las Vegas Harry Reid Intl

$1,801Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

7:25 pm - 9:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

20h 20m2 stops Reykjavik Keflavik Intl Dublin

12:00 pm - 9:40 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 40m3 stops Belfast City Birmingham Istanbul

$1,938Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

7:25 pm - 11:30 amORD Chicago O'Hare Intl-CWL Cardiff Wales

34h 05m3 stops Reykjavik Keflavik Intl Manchester Belfast City

7:45 am - 5:16 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 31m3 stops Dublin Calgary Las Vegas Harry Reid Intl

$1,952Multiple Airlines

Sun, Oct 18 - Fri, Oct 23

7:25 pm - 11:30 amORD Chicago O'Hare Intl-CWL Cardiff Wales

34h 05m3 stops Reykjavik Keflavik Intl Manchester Belfast City

12:00 pm - 9:40 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 40m3 stops Belfast City Birmingham Istanbul

$2,331Multiple Airlines

Useful Info

Cheapest flight	$408

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.