Find flights
When to book
FAQs

Cheap flights from Cardiff to Chicago from £565

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — CHI
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Chicago
Explore the most affordable flight options available from Cardiff to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Mon 20/409:45
CWL
-
ORD
1 stop10h 45m
KLM
Mon 27/416:50
ORD
-
CWL
1 stop17h 55m
KLM
Deal found 23/3£670
Mon 4/509:45
CWL
-
ORD
2 stops16h 55m
KLM
Mon 11/516:50
ORD
-
CWL
1 stop10h 25m
KLM
Deal found 20/3£675
Tue 5/509:45
CWL
-
MDW
2 stops18h 43m
KLM
Tue 12/519:13
MDW
-
CWL
2 stops15h 32m
KLM
Deal found 21/3£684
Mon 4/509:45
CWL
-
ORD
2 stops16h 55m
Delta
Mon 11/519:00
ORD
-
CWL
2 stops15h 45m
Delta
Deal found 20/3£693
Wed 6/509:45
CWL
-
MDW
2 stops18h 43m
Delta
Wed 13/509:23
MDW
-
CWL
2 stops17h 52m
Delta
Deal found 22/3£698
Sun 19/417:15
CWL
-
ORD
1 stop27h 15m
KLM
Sun 26/416:20
ORD
-
CWL
1 stop10h 55m
KLM
Deal found 22/3£699
Sat 18/407:30
CWL
-
ORD
1 stop12h 30m
Multiple Airlines
Sat 25/421:00
ORD
-
CWL
1 stop18h 20m
Multiple Airlines
Deal found 21/3£702
Mon 20/409:45
CWL
-
ORD
2 stops32h 41m
Virgin Atlantic
Mon 27/416:50
ORD
-
CWL
1 stop10h 25m
Virgin Atlantic
Deal found 23/3£720
Wed 13/509:45
CWL
-
ORD
1 stop10h 45m
Virgin Atlantic
Wed 20/516:50
ORD
-
CWL
1 stop17h 55m
Virgin Atlantic
Deal found 22/3£720
Mon 4/517:15
CWL
-
MDW
2 stops31h 21m
KLM
Mon 11/519:13
MDW
-
CWL
2 stops15h 32m
KLM
Deal found 20/3£724
Mon 20/417:15
CWL
-
MDW
2 stops30h 43m
KLM
Mon 27/409:29
MDW
-
CWL
2 stops17h 46m
KLM
Deal found 23/3£725
Sat 18/417:35
CWL
-
ORD
1 stop26h 40m
KLM
Sat 25/413:11
ORD
-
CWL
2 stops14h 04m
KLM
Deal found 21/3£735

Find flight deals from Cardiff to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 March 2026.

Round-trip from

£670

One-way from

£565
KLM
  • KLM
  • 20/4-27/4
  • 2 total stops
  • 28h 40m total
  • Cardiff to Chicago
Search Deals
1/7
  • 1/7
  • 3 total stops
  • 40h 10m total
  • Cardiff to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Chicago 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 24 March 2026.
Use the filters below to find and compare flights from Cardiff to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 20/4

09:45-21:57

2 stops18h 12m

Chicago O'Hare Intl

Mon 27/4

19:09-16:45

2 stops15h 36m

£680
Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

09:45-14:30

1 stop10h 45m

Chicago O'Hare Intl

Mon 11/5

10:30-09:15

2 stops16h 45m

£690

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Mon 11/5

16:50-09:15

1 stop10h 25m

£690

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 4/5

09:45-20:40

2 stops16h 55m

Chicago O'Hare Intl

Mon 11/5

19:00-16:45

2 stops15h 45m

£693

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 6/5

09:45-22:28

2 stops18h 43m

Chicago Midway

Wed 13/5

09:23-09:15

2 stops17h 52m

£698

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 20/4

09:45-12:26

2 stops32h 41m

Chicago O'Hare Intl

Mon 27/4

16:50-09:15

1 stop10h 25m

£720

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 4/5

17:15-18:36

2 stops31h 21m

Chicago Midway

Mon 11/5

19:13-16:45

2 stops15h 32m

£724

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 20/4

17:15-17:58

2 stops30h 43m

Chicago Midway

Mon 27/4

09:29-09:15

2 stops17h 46m

£725

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sat 18/4

17:35-14:15

1 stop26h 40m

Chicago O'Hare Intl

Sat 25/4

13:11-09:15

2 stops14h 04m

£735

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 4/5

09:45-22:28

2 stops18h 43m

Chicago Midway

Mon 11/5

09:22-09:15

2 stops17h 53m

£738

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Cardiff to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Cardiff 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 Cardiff to Chicago
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 Cardiff to Chicago. 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 from for flights from Cardiff to Chicago?

    For a flight from Cardiff to Chicago, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city. Cardiff Wales is the only Cardiff airport and it handles 0 outbound flights to Chicago per day. 1 airline has flights to Chicago from Cardiff Wales on a regular basis.

  • How long is the flight from Cardiff to Chicago?

    A quick flight from Cardiff to Chicago can take about 10h 45m. KLM provides one of the quickest options available for as low as £690. Cardiff and Chicago are separated by a distance of 3831 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Cardiff to Chicago round-trip?

    Currently priced at £550, KLM will fly you from Cardiff to Chicago and back. In addition to KLM, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Chicago 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

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.

Top airline flying from Cardiff to Chicago

Discover the top airline that operate flights from Cardiff to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£550Average£704FlexibilityNo cancel feeOn-time75%
Search KLM 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 Cardiff to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Chicago. 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 Cardiff to Chicago?

Cheapflights simply makes it quick and affordable to book flights from Cardiff to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Chicago from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Cardiff to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.