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.

$389 CHEAP FLIGHTS from Illinois to Cardiff

Save 21% 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, Jan 27 - Sun, Jan 31

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

10h 00m1 stop Dublin

9:05 am - 2:55 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

35h 50m2 stops Alicante Madrid Barajas

$820Multiple Airlines

Wed, Jan 27 - Sun, Jan 31

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

$1,057KLM

Wed, Jan 27 - Sun, Jan 31

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

15h 35m2 stops Minneapolis St Paul Amsterdam Schiphol

10:20 am - 8:37 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

16h 17m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,071Delta

Wed, Jan 27 - Sun, Jan 31

10:33 am - 1:00 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

20h 27m3 stops Montreal Pierre Elliott Trudeau Intl London Heathrow Dublin

9:05 am - 5:20 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

38h 15m3 stops Alicante Kastrup Copenhagen Reykjavik Keflavik Intl

$1,075Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

11:39 am - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 11m2 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

$1,083KLM

Tue, Dec 1 - Tue, Dec 8

1:35 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

14h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

26h 55m1 stop Amsterdam Schiphol

$1,083KLM

Tue, Nov 17 - Tue, Nov 24

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

$1,083KLM

Tue, Nov 17 - Tue, Nov 24

6:30 pm - 8:30 amORD Chicago O'Hare Intl-CWL Cardiff Wales

32h 00m3 stops Reykjavik Keflavik Intl Glasgow Intl Belfast City

6:50 am - 3:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

38h 40m3 stops Alicante Madrid Barajas Lisbon Humberto Delgado

$1,092Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

11:39 am - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

16h 11m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

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

28h 47m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,092KLM

Tue, Dec 1 - Tue, Dec 8

1:35 pm - 9:50 amORD Chicago O'Hare Intl-CWL Cardiff Wales

14h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:30 pm - 4:43 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

29h 13m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,092KLM

Recent last minute flight deals from Illinois to Cardiff

Sun, Oct 11 - Sun, Oct 18

4:15 pm - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

11h 00m1 stop Amsterdam Schiphol

5:15 pm - 2:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 15m1 stop Amsterdam Schiphol

$1,234KLM

Sun, Oct 11 - Sun, Oct 18

4:15 pm - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

11h 00m1 stop Amsterdam Schiphol

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

54h 05m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,239KLM

Sun, Oct 11 - Sun, Oct 18

6:10 am - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

21h 05m2 stops New York John F Kennedy Intl Amsterdam Schiphol

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

54h 05m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,276KLM

Fri, Oct 9 - Sun, Oct 11

2:20 pm - 1:35 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

17h 15m2 stops Zurich Palma de Mallorca Son Sant Joan

7:10 am - 12:35 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

35h 25m2 stops Palma de Mallorca Son Sant Joan Munich Franz Josef Strauss

$1,287Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

4:20 pm - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

10h 55m1 stop Amsterdam Schiphol

5:15 pm - 2:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 15m1 stop Amsterdam Schiphol

$1,318KLM

Fri, Oct 9 - Sun, Oct 11

12:30 pm - 9:15 amORD Chicago O'Hare Intl-CWL Cardiff Wales

14h 45m2 stops Minneapolis St Paul Amsterdam Schiphol

5:15 pm - 2:30 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

27h 15m1 stop Amsterdam Schiphol

$1,323Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

10:30 am - 2:30 amORD Chicago O'Hare Intl-CWL Cardiff Wales

34h 00m2 stops Cairo Hurghada

9:35 am - 12:31 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

44h 56m3 stops Malaga Istanbul Dallas/Fort Worth

$1,796Multiple Airlines

Sun, Oct 11 - Sun, Oct 18

11:05 am - 4:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

23h 40m3 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle Amsterdam Schiphol

9:45 pm - 6:15 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

26h 30m2 stops Dublin Istanbul

$1,938Multiple Airlines

Sun, Oct 11 - Sun, Oct 18

11:05 am - 4:45 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

23h 40m3 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle Amsterdam Schiphol

5:15 pm - 7:50 pmCWL Cardiff Wales-ORD Chicago O'Hare Intl

32h 35m3 stops Amsterdam Schiphol Duesseldorf Intl Warsaw Frederic Chopin

$2,026Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

3:45 pm - 11:55 pmORD Chicago O'Hare Intl-CWL Cardiff Wales

26h 10m3 stops Toronto Pearson Intl Athens Eleftherios V. Rhodes Diagoras

9:35 am - 12:31 amCWL Cardiff Wales-ORD Chicago O'Hare Intl

44h 56m3 stops Malaga Istanbul Dallas/Fort Worth

$2,556Multiple Airlines

Useful Info

Cheapest flight	$389

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.