Find flights
When to book
FAQs

Cheap flights from Illinois to Cardiff from £268

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
26 Jul — 2 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Cardiff
Explore the most affordable flight options available from Illinois to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 June 2026.

Wed 26/821:00
ORD
-
CWL
1 stop19h 25m
Multiple Airlines
Sun 20/921:45
CWL
-
ORD
2 stops43h 15m
Multiple Airlines
Deal found 24/6£614
Wed 2/909:50
ORD
-
CWL
1 stop18h 25m
Multiple Airlines
Thu 17/922:50
CWL
-
ORD
3 stops41h 27m
Multiple Airlines
Deal found 26/6£643
Sun 2/819:25
ORD
-
CWL
2 stops20h 20m
Multiple Airlines
Tue 18/823:15
CWL
-
ORD
3 stops26h 37m
Multiple Airlines
Deal found 21/6£671
Sun 6/921:00
ORD
-
CWL
1 stop18h 45m
Multiple Airlines
Mon 14/922:10
CWL
-
ORD
2 stops46h 15m
Multiple Airlines
Deal found 22/6£686
Wed 5/821:00
ORD
-
CWL
1 stop19h 25m
Multiple Airlines
Wed 12/823:15
CWL
-
ORD
1 stop20h 45m
Multiple Airlines
Deal found 21/6£708
Sun 2/810:20
MDW
-
CWL
1 stop17h 55m
Multiple Airlines
Tue 18/811:35
CWL
-
MDW
1 stop33h 00m
Multiple Airlines
Deal found 21/6£743
Sun 2/816:20
ORD
-
CWL
1 stop18h 25m
Virgin Atlantic
Tue 18/817:15
CWL
-
ORD
1 stop27h 15m
Virgin Atlantic
Deal found 21/6£763
Mon 28/1215:55
ORD
-
CWL
1 stop23h 20m
Multiple Airlines
Mon 11/108:25
CWL
-
ORD
1 stop16h 50m
Multiple Airlines
Deal found 23/6£773
Sun 2/818:58
MDW
-
CWL
2 stops15h 47m
Delta
Tue 18/809:45
CWL
-
MDW
2 stops38h 48m
Delta
Deal found 21/6£820
Wed 5/813:27
MDW
-
CWL
2 stops13h 48m
KLM
Wed 12/809:45
CWL
-
MDW
2 stops18h 51m
KLM
Deal found 21/6£869
Fri 7/813:27
MDW
-
CWL
2 stops13h 48m
KLM
Fri 14/809:45
CWL
-
MDW
2 stops38h 16m
KLM
Deal found 23/6£901
Sun 9/817:10
MDW
-
CWL
2 stops17h 35m
Air France
Sun 16/817:15
CWL
-
MDW
2 stops31h 18m
Air France
Deal found 25/6£952

Find flight deals from Illinois to Cardiff

Keep the following information in mind while searching for Illinois to Cardiff flight deals. Data was last updated 26 June 2026.

Round-trip from

£614

One-way from

£268
26/8-20/9
  • 26/8-20/9
  • 3 total stops
  • 62h 40m total
  • Illinois to Cardiff
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 41h 55m total
  • Illinois to Cardiff
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 June 2026.
Use the filters below to find and compare flights from Illinois to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 2/9

09:50-10:15

1 stop18h 25m

Cardiff Wales

Thu 17/9

22:50-10:17

3 stops41h 27m

£643

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 26/8

21:00-22:25

1 stop19h 25m

Cardiff Wales

Sun 20/9

21:45-14:00

1 stop22h 15m

£726

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 2/8

10:20-10:15

1 stop17h 55m

Cardiff Wales

Tue 18/8

11:35-14:35

1 stop33h 00m

£743

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 4/11

16:25-09:50

1 stop11h 25m

Cardiff Wales

Wed 11/11

10:20-14:25

1 stop34h 05m

£775

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 2/11

16:25-17:00

1 stop18h 35m

Cardiff Wales

Mon 9/11

17:30-16:37

2 stops29h 07m

£783

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Wed 4/11

15:50-17:00

2 stops19h 10m

Cardiff Wales

Wed 11/11

10:20-20:24

2 stops16h 04m

£786

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sun 2/8

15:45-10:15

1 stop12h 30m

Cardiff Wales

Tue 18/8

23:15-19:52

3 stops26h 37m

£796

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sun 2/8

18:58-16:45

2 stops15h 47m

Cardiff Wales

Tue 18/8

09:45-18:33

2 stops38h 48m

£820
Fastest return journey

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Wed 5/8

13:27-09:15

2 stops13h 48m

Cardiff Wales

Wed 12/8

09:45-22:36

2 stops18h 51m

£869

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 7/8

13:27-09:15

2 stops13h 48m

Cardiff Wales

Fri 14/8

09:45-18:01

2 stops38h 16m

£901

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Illinois to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Cardiff
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cardiff from Illinois?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly into when you book flights from Illinois to Cardiff.

  • How long is the flight from Illinois to Cardiff?

    Airlines like KLM, Delta, and Air France fly from Illinois to Cardiff in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 6h 10m. Airlines will cover a distance of 3831 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Illinois to Cardiff that include hotel bookings?

    Yes. In addition to deals on Illinois to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Cardiff.

  • Can I find deals for business class flights from Illinois to Cardiff?

    Yes. Cheapflights offers flight deals from Illinois to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Manchester flights
Newark to Manchester flights
LaGuardia to Manchester flights
Boston to Manchester flights
Orlando to Manchester flights
Atlanta to Manchester flights
Dulles Intl to Manchester flights
Baltimore to Manchester flights
O'Hare Intl to Manchester flights
Reagan-National to Manchester flights
Seattle to Manchester flights
Hobby to Manchester flights
Los Angeles to Manchester flights
Dallas/Fort Worth to Manchester flights
Sky Harbor Intl to Manchester flights
Las Vegas to Manchester flights
George Bush Intcntl to Manchester flights
Philadelphia to Manchester flights
Midway to Manchester flights
San Francisco to Manchester flights
Denver to Manchester flights
San Diego to Manchester flights
Detroit to Manchester flights
Omaha to Manchester flights
Minneapolis to Manchester flights
Cincinnati to Manchester flights
Charlotte to Manchester flights
Providence to Manchester flights
Tampa to Manchester flights
Buffalo to Manchester flights
Miami to Manchester flights
Ontario to Manchester flights
Portland to Manchester flights
Cleveland to Manchester flights
Raleigh to Manchester flights
John F Kennedy Intl to Cardiff flights
Nashville to Manchester flights
Hartford to Manchester flights
Kansas City to Manchester flights
Pittsburgh to Manchester flights
Newark to Bristol flights
Austin to Manchester flights
Richmond to Manchester flights
San Antonio to Manchester flights
Indianapolis to Manchester flights
Santa Ana to Manchester flights
Los Angeles to Bristol flights
Boston to Cardiff flights
Des Moines to Manchester flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Cardiff?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Cardiff. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Illinois to Cardiff with no change fees?

Need flexible booking options for your flight to Cardiff from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Cardiff become cheaper?

Not ready to book yet? You can track prices for flights from Illinois to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.