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Cheap flights from Illinois to Cardiff from £246

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
20 Jun — 27 Jun1
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 21 May 2026.

Mon 1/615:45
ORD
-
CWL
1 stop12h 30m
Multiple Airlines
Fri 5/622:45
CWL
-
ORD
2 stops24h 14m
Multiple Airlines
Deal found 17/5£743
Thu 18/613:26
MDW
-
CWL
2 stops38h 49m
Multiple Airlines
Thu 25/611:35
CWL
-
MDW
1 stop28h 05m
Multiple Airlines
Deal found 19/5£745
Tue 29/915:45
ORD
-
CWL
1 stop25h 40m
Multiple Airlines
Mon 5/1022:10
CWL
-
ORD
1 stop21h 50m
Multiple Airlines
Deal found 20/5£781
Sat 8/819:25
ORD
-
CWL
2 stops19h 55m
Multiple Airlines
Sat 15/807:30
CWL
-
ORD
3 stops43h 55m
Multiple Airlines
Deal found 17/5£784
Fri 10/716:20
ORD
-
CWL
1 stop18h 45m
Virgin Atlantic
Wed 22/717:15
CWL
-
ORD
1 stop27h 00m
Virgin Atlantic
Deal found 17/5£840
Fri 10/713:49
MDW
-
CWL
2 stops21h 16m
Virgin Atlantic
Wed 22/717:15
CWL
-
MDW
2 stops31h 03m
Virgin Atlantic
Deal found 17/5£844
Sat 8/813:27
MDW
-
CWL
2 stops13h 48m
Multiple Airlines
Sat 15/809:50
CWL
-
MDW
2 stops18h 46m
Multiple Airlines
Deal found 17/5£935
Thu 11/613:49
MDW
-
CWL
2 stops38h 26m
WestJet
Thu 18/611:35
CWL
-
MDW
2 stops27h 39m
WestJet
Deal found 21/5£999
Thu 18/613:26
MDW
-
CWL
2 stops38h 49m
WestJet
Thu 25/611:35
CWL
-
MDW
2 stops27h 39m
WestJet
Deal found 19/5£1,002
Sat 6/613:59
MDW
-
CWL
2 stops38h 16m
WestJet
Sat 13/611:35
CWL
-
MDW
2 stops28h 34m
WestJet
Deal found 19/5£1,022
Thu 1/1017:25
MDW
-
CWL
2 stops17h 20m
Delta
Mon 5/1009:45
CWL
-
MDW
2 stops18h 01m
Delta
Deal found 20/5£1,769

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 21 May 2026.

Round-trip from

£743

One-way from

£246
1/6-5/6
  • 1/6-5/6
  • 3 total stops
  • 36h 44m total
  • Illinois to Cardiff
Search Deals
28/6
  • 28/6
  • 1 total stop
  • 17h 50m 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 21 May 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

MDW - CWL

MDWCWL

Chicago Midway

Thu 18/6

13:26-10:15

2 stops38h 49m

Cardiff Wales

Thu 25/6

11:35-09:40

1 stop28h 05m

£745

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 1/6

15:40-22:50

3 stops25h 10m

Cardiff Wales

Fri 5/6

22:45-16:59

2 stops24h 14m

£805

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Sat 8/8

22:25-21:20

3 stops16h 55m

Cardiff Wales

Sat 15/8

07:30-21:25

3 stops43h 55m

£812

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 10/7

16:20-17:05

1 stop18h 45m

Cardiff Wales

Wed 22/7

17:15-14:15

1 stop27h 00m

£840

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 10/7

13:49-17:05

2 stops21h 16m

Cardiff Wales

Wed 22/7

17:15-18:18

2 stops31h 03m

£844

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 1/10

21:00-22:20

1 stop19h 20m

Cardiff Wales

Mon 5/10

22:10-14:00

1 stop21h 50m

£924
Fastest return journey

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Sat 8/8

13:27-09:15

2 stops13h 48m

Cardiff Wales

Sat 15/8

09:50-22:36

2 stops18h 46m

£935

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 11/6

13:49-10:15

2 stops38h 26m

Cardiff Wales

Thu 18/6

11:35-09:14

2 stops27h 39m

£999

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 18/6

13:26-10:15

2 stops38h 49m

Cardiff Wales

Thu 25/6

11:35-09:14

2 stops27h 39m

£1,002

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 15/6

17:35-10:15

1 stop10h 40m

Cardiff Wales

Sun 21/6

21:45-16:57

2 stops25h 12m

£1,013

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 Virgin Atlantic and WestJet fly from Illinois to Cardiff in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 19h 41m. 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

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Fly with Cheapflights

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

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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.

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