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Cheap flights from Illinois to Cardiff from £224

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CWL
6 Sep — 13 Sep1
1 adult

Cheap flight deals from Illinois to Cardiff

Keep the following information in mind while searching for Illinois to Cardiff flight deals. Data was last updated 1 September 2025.

Round-trip from

£513

One-way from

£224
17/10-20/10
  • 17/10-20/10
  • 2 total stops
  • 21h 35m total
  • Illinois to Cardiff
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 47h 20m total
  • Illinois to Cardiff
Search Deals

Find flight deals from Illinois to Cardiff

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 1 September 2025.

Fri 17/1015:45ORD - CWL
1 stop9h 45mMultiple Airlines
Mon 20/1013:10CWL - ORD
1 stop11h 50mMultiple Airlines
Deal found 31/8£513
Tue 14/1016:15ORD - CWL
1 stop11h 00mVirgin Atlantic
Tue 21/1017:15CWL - ORD
1 stop27h 25mVirgin Atlantic
Deal found 30/8£596
Tue 14/1021:15ORD - CWL
1 stop28h 10mMultiple Airlines
Tue 21/1017:05CWL - ORD
2 stops49h 30mMultiple Airlines
Deal found 30/8£602
Tue 14/1016:15ORD - CWL
1 stop11h 00mKLM
Tue 21/1017:15CWL - ORD
1 stop27h 25mKLM
Deal found 30/8£613
Mon 22/916:40ORD - CWL
1 stop18h 05mKLM
Tue 30/917:15CWL - ORD
1 stop27h 25mKLM
Deal found 30/8£620
Tue 14/1009:20MDW - CWL
2 stops17h 55mDelta
Tue 21/1009:50CWL - MDW
2 stops14h 35mDelta
Deal found 30/8£623
Fri 17/1016:15ORD - CWL
1 stop10h 55mKLM
Thu 23/1017:15CWL - ORD
1 stop26h 55mKLM
Deal found 30/8£650
Wed 3/1216:25ORD - CWL
1 stop18h 30mDelta
Sun 7/1210:20CWL - ORD
1 stop34h 00mDelta
Deal found 29/8£656
Wed 3/1213:00MDW - CWL
2 stops21h 55mDelta
Sun 7/1210:20CWL - MDW
2 stops41h 24mDelta
Deal found 29/8£666
Fri 12/919:15MDW - CWL
2 stops15h 50mKLM
Mon 15/917:15CWL - MDW
2 stops30h 20mKLM
Deal found 30/8£706
Tue 14/1013:08MDW - CWL
2 stops14h 07mKLM
Tue 21/1009:50CWL - MDW
2 stops18h 24mKLM
Deal found 30/8£725
Fri 17/1018:23MDW - CWL
2 stops16h 42mDelta
Mon 20/1009:50CWL - MDW
2 stops14h 35mDelta
Deal found 31/8£775

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 1 September 2025.
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

Fri 17/10

15:45-07:30

1 stop9h 45m

Cardiff Wales

Mon 20/10

13:10-19:00

1 stop11h 50m

£513

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 14/10

16:15-09:15

1 stop11h 00m

Cardiff Wales

Tue 21/10

17:15-14:40

1 stop27h 25m

£596

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 14/10

21:15-07:25

1 stop28h 10m

Cardiff Wales

Tue 21/10

17:05-12:35

2 stops49h 30m

£602

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 14/10

16:15-09:15

1 stop11h 00m

Cardiff Wales

Tue 21/10

17:15-14:40

1 stop27h 25m

£613

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Mon 22/9

16:40-16:45

1 stop18h 05m

Cardiff Wales

Tue 30/9

17:15-14:40

1 stop27h 25m

£620

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Tue 14/10

09:20-09:15

2 stops17h 55m

Cardiff Wales

Tue 21/10

09:50-18:25

2 stops14h 35m

£623

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Tue 14/10

08:57-09:15

2 stops18h 18m

Cardiff Wales

Tue 21/10

09:50-21:39

2 stops17h 49m

£623

ChicagoCardiff

ORD - CWL

ORDCWL

Chicago O'Hare Intl

Fri 17/10

16:15-09:10

1 stop10h 55m

Cardiff Wales

Thu 23/10

17:15-14:10

1 stop26h 55m

£650

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Wed 3/12

13:00-16:55

2 stops21h 55m

Cardiff Wales

Sun 7/12

10:20-21:44

2 stops41h 24m

£666

ChicagoCardiff

MDW - CWL

MDWCWL

Chicago Midway

Thu 16/10

10:35-09:15

2 stops16h 40m

Cardiff Wales

Tue 21/10

09:50-22:14

2 stops18h 24m

£667

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 17 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 Virgin Atlantic, KLM, and Delta fly from Illinois to Cardiff in about 11h. The time it takes to get you to your destination can typically vary by up to 6h 55m. 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.

  • What is the cheapest month to book a flight from Illinois to Cardiff?

    Currently, July is the cheapest month in which you can book a flight from Illinois to Cardiff (average of £169). Flying from Illinois to Cardiff in December is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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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?

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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.

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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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