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Cheap flights from Cardiff to Chicago from £446

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — CHI
27 Feb — 6 Mar1
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 28 January 2026.

Wed 11/317:25
CWL
-
MDW
2 stops28h 57m
KLM
Wed 18/313:10
MDW
-
CWL
2 stops15h 40m
KLM
Deal found 25/1£528
Fri 13/317:15
CWL
-
ORD
2 stops32h 02m
Virgin Atlantic
Fri 20/313:57
ORD
-
CWL
2 stops14h 53m
Virgin Atlantic
Deal found 27/1£543
Fri 13/322:25
CWL
-
ORD
2 stops26h 20m
Multiple Airlines
Fri 20/317:25
ORD
-
CWL
1 stop11h 25m
Multiple Airlines
Deal found 27/1£649
Fri 13/310:20
CWL
-
MDW
2 stops36h 34m
Multiple Airlines
Fri 20/314:03
MDW
-
CWL
2 stops21h 52m
Multiple Airlines
Deal found 27/1£656
Mon 22/617:15
CWL
-
ORD
1 stop27h 00m
KLM
Mon 6/716:50
ORD
-
CWL
1 stop10h 25m
KLM
Deal found 26/1£686
Mon 22/617:15
CWL
-
ORD
1 stop27h 00m
Multiple Airlines
Tue 7/718:10
ORD
-
CWL
2 stops16h 35m
Multiple Airlines
Deal found 26/1£767
Mon 22/609:45
CWL
-
ORD
2 stops18h 21m
Delta
Mon 6/717:55
ORD
-
CWL
2 stops16h 50m
Delta
Deal found 27/1£847
Fri 13/317:15
CWL
-
ORD
1 stop27h 05m
KLM
Fri 20/317:25
ORD
-
CWL
1 stop11h 25m
KLM
Deal found 27/1£849
Wed 28/110:20
CWL
-
MDW
2 stops37h 09m
KLM
Wed 4/213:51
MDW
-
CWL
2 stops21h 04m
KLM
Deal found 27/1£1,302

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 28 January 2026.

Round-trip from

£543

One-way from

£446
Virgin Atlantic
  • Virgin Atlantic
  • 13/3-20/3
  • 4 total stops
  • 46h 55m total
  • Cardiff to Chicago
Search Deals
14/7
  • 14/7
  • 3 total stops
  • 42h 35m 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 28 January 2026.
Use the filters below to find and compare flights from Cardiff to Chicago that are best for you.

Fly from

Cardiff

Fly to

Chicago

Route

Depart

Return

Price

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 11/3

17:25-17:22

2 stops28h 57m

Chicago Midway

Wed 18/3

13:10-09:50

2 stops15h 40m

£528

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 13/3

17:15-20:17

2 stops32h 02m

Chicago O'Hare Intl

Fri 20/3

13:57-09:50

2 stops14h 53m

£543

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Fri 13/3

22:25-19:45

2 stops26h 20m

Chicago O'Hare Intl

Fri 20/3

17:25-09:50

1 stop11h 25m

£649

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Fri 13/3

10:20-17:54

2 stops36h 34m

Chicago Midway

Fri 20/3

14:03-16:55

2 stops21h 52m

£656

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Mon 6/7

16:50-09:15

1 stop10h 25m

£686

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

16:20-16:45

1 stop18h 25m

£686

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

18:10-16:45

2 stops16h 35m

£767

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-22:06

2 stops18h 21m

Chicago O'Hare Intl

Mon 6/7

17:55-16:45

2 stops16h 50m

£847

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Tue 14/7

23:15-11:50

3 stops42h 35m

£446

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Sun 12/7

14:45-19:15

3 stops34h 30m

£451

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 12 results
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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

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

Currently, April is the cheapest month in which you can book a flight from Cardiff to Chicago (average of £119). Flying from Cardiff to Chicago in October is currently the most expensive (average of £910). 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.

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 28h 57m. KLM provides one of the quickest options available for as low as £528. Cardiff and Chicago are separated by a distance of 3833 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 £535, 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.

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

    Currently, April is the cheapest month in which you can book a flight from Cardiff to Chicago (average of £119). Flying from Cardiff to Chicago in October is currently the most expensive (average of £910). 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

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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£535Average£685FlexibilityNo 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.

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