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Cheap flights from Illinois to Cardiff from £287

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
20 Feb — 27 Feb1
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 January 2026.

Thu 5/308:00
ORD
-
CWL
2 stops20h 30m
Multiple Airlines
Thu 12/310:30
CWL
-
ORD
2 stops35h 50m
Multiple Airlines
Deal found 19/1£419
Tue 12/516:20
ORD
-
CWL
1 stop10h 55m
KLM
Tue 19/517:15
CWL
-
ORD
1 stop27h 15m
KLM
Deal found 19/1£593
Tue 12/517:45
ORD
-
CWL
2 stops17h 00m
Air France
Tue 19/517:15
CWL
-
ORD
1 stop27h 15m
Air France
Deal found 19/1£596
Thu 5/221:00
ORD
-
CWL
1 stop19h 00m
Multiple Airlines
Sat 14/220:05
CWL
-
ORD
2 stops24h 40m
Multiple Airlines
Deal found 19/1£613
Thu 5/314:25
ORD
-
CWL
2 stops13h 25m
KLM
Thu 12/317:25
CWL
-
ORD
1 stop26h 55m
KLM
Deal found 19/1£665
Fri 6/316:25
ORD
-
CWL
1 stop18h 30m
Virgin Atlantic
Fri 13/310:20
CWL
-
ORD
2 stops27h 10m
Virgin Atlantic
Deal found 20/1£668
Fri 11/913:30
ORD
-
CWL
2 stops13h 45m
KLM
Mon 14/917:15
CWL
-
ORD
1 stop27h 00m
KLM
Deal found 19/1£680
Fri 6/315:55
ORD
-
CWL
2 stops19h 00m
Multiple Airlines
Fri 13/317:15
CWL
-
ORD
2 stops26h 45m
Multiple Airlines
Deal found 20/1£706
Fri 6/316:25
ORD
-
CWL
1 stop18h 30m
KLM
Fri 13/317:15
CWL
-
ORD
1 stop27h 05m
KLM
Deal found 20/1£707
Sat 8/816:20
ORD
-
CWL
1 stop10h 55m
Multiple Airlines
Sat 22/809:50
CWL
-
ORD
2 stops17h 46m
Multiple Airlines
Deal found 18/1£718
Fri 6/313:29
MDW
-
CWL
2 stops21h 26m
Multiple Airlines
Fri 13/310:20
CWL
-
MDW
2 stops36h 34m
Multiple Airlines
Deal found 20/1£730
Sat 17/1018:45
MDW
-
CWL
2 stops16h 00m
Multiple Airlines
Thu 22/1009:45
CWL
-
MDW
2 stops18h 00m
Multiple Airlines
Deal found 18/1£788

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 January 2026.

Round-trip from

£419

One-way from

£287
5/3-12/3
  • 5/3-12/3
  • 4 total stops
  • 56h 20m total
  • Illinois to Cardiff
Search Deals
30/6
  • 30/6
  • 1 total stop
  • 20h 25m 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 January 2026.
Use the filters below to find and compare flights from Illinois to Cardiff that are best for you.

Fly from

Illinois

Fly to

Cardiff

Route

Depart

Return

Price

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 5/3

08:00-10:30

2 stops20h 30m

Cardiff Wales

Thu 12/3

10:30-17:20

2 stops35h 50m

£419

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 12/5

16:20-09:15

1 stop10h 55m

Cardiff Wales

Tue 19/5

17:15-14:30

1 stop27h 15m

£593

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 12/5

17:45-16:45

2 stops17h 00m

Cardiff Wales

Tue 19/5

17:15-14:30

1 stop27h 15m

£596

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 5/3

14:25-09:50

2 stops13h 25m

Cardiff Wales

Thu 12/3

17:25-15:20

1 stop26h 55m

£665

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 6/3

16:25-16:55

1 stop18h 30m

Cardiff Wales

Fri 13/3

10:20-08:30

2 stops27h 10m

£668

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 6/3

16:25-16:55

1 stop18h 30m

Cardiff Wales

Fri 13/3

17:15-15:20

1 stop27h 05m

£707

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 6/3

07:15-16:55

3 stops27h 40m

Cardiff Wales

Fri 13/3

10:20-15:00

3 stops33h 40m

£719

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Fri 6/3

13:29-16:55

2 stops21h 26m

Cardiff Wales

Fri 13/3

10:20-17:54

2 stops36h 34m

£730

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Thu 5/2

10:29-09:50

2 stops17h 21m

Cardiff Wales

Sat 14/2

17:30-17:43

2 stops30h 13m

£748

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 5/3

13:29-09:50

2 stops14h 21m

Cardiff Wales

Thu 12/3

17:25-17:54

2 stops29h 29m

£940

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 19 results
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 KLM and Air France fly from Illinois to Cardiff in about 10h 55m. The time it takes to get you to your destination can typically vary by up to 6h 05m. 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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Alternative routes for Illinois to Cardiff

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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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