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Cheap flights from Cardiff to Chicago from £327

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — CHI
4 Jun — 11 Jun1
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 5 May 2026.

Mon 1/611:35
CWL
-
MDW
1 stop28h 00m
Multiple Airlines
Mon 31/810:25
MDW
-
CWL
1 stop17h 50m
Multiple Airlines
Deal found 1/5£617
Wed 17/623:30
CWL
-
ORD
3 stops28h 35m
Multiple Airlines
Wed 24/615:45
ORD
-
CWL
1 stop12h 30m
Multiple Airlines
Deal found 3/5£671
Mon 1/611:35
CWL
-
ORD
1 stop14h 41m
Multiple Airlines
Mon 31/819:25
ORD
-
CWL
2 stops21h 25m
Multiple Airlines
Deal found 1/5£687
Tue 9/611:35
CWL
-
ORD
1 stop13h 50m
Multiple Airlines
Fri 12/610:54
ORD
-
CWL
2 stops17h 21m
Multiple Airlines
Deal found 1/5£724
Mon 15/622:10
CWL
-
ORD
3 stops29h 55m
Multiple Airlines
Mon 22/614:15
ORD
-
CWL
2 stops26h 35m
Multiple Airlines
Deal found 1/5£736
Mon 15/617:15
CWL
-
MDW
2 stops31h 16m
Virgin Atlantic
Mon 22/618:58
MDW
-
CWL
2 stops15h 47m
Virgin Atlantic
Deal found 1/5£833
Mon 15/617:15
CWL
-
MDW
2 stops31h 16m
Multiple Airlines
Mon 22/618:58
MDW
-
CWL
2 stops15h 47m
Multiple Airlines
Deal found 2/5£870
Wed 17/609:45
CWL
-
MDW
2 stops18h 32m
Multiple Airlines
Wed 24/612:45
MDW
-
CWL
2 stops14h 30m
Multiple Airlines
Deal found 3/5£921
Tue 9/611:35
CWL
-
MDW
3 stops27h 39m
Multiple Airlines
Fri 12/609:17
MDW
-
CWL
2 stops18h 58m
Multiple Airlines
Deal found 1/5£926
Mon 15/609:45
CWL
-
MDW
2 stops18h 32m
KLM
Mon 22/613:21
MDW
-
CWL
2 stops13h 54m
KLM
Deal found 1/5£936
Mon 1/611:35
CWL
-
MDW
2 stops52h 25m
WestJet
Mon 31/809:30
MDW
-
CWL
2 stops18h 45m
WestJet
Deal found 1/5£982
Fri 19/609:45
CWL
-
MDW
2 stops18h 32m
Delta
Fri 26/609:54
MDW
-
CWL
2 stops17h 21m
Delta
Deal found 5/5£1,033

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 5 May 2026.

Round-trip from

£617

One-way from

£327
1/6-31/8
  • 1/6-31/8
  • 2 total stops
  • 45h 50m total
  • Cardiff to Chicago
Search Deals
1/6
  • 1/6
  • 1 total stop
  • 28h 00m 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 5 May 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
Fastest return journey

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-14:30

1 stop10h 45m

Chicago O'Hare Intl

Tue 7/7

12:27-09:15

2 stops14h 48m

£827

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Mon 6/7

16:50-16:45

1 stop17h 55m

£828

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

17:15-14:15

1 stop27h 00m

Chicago O'Hare Intl

Tue 7/7

16:20-09:15

1 stop10h 55m

£828

CardiffChicago

CWL - ORD

CWLORD

Cardiff Wales

Mon 22/6

09:45-14:30

1 stop10h 45m

Chicago O'Hare Intl

Mon 6/7

19:17-16:45

2 stops15h 28m

£829

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 15/6

17:15-18:31

2 stops31h 16m

Chicago Midway

Mon 22/6

18:58-16:45

2 stops15h 47m

£833

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 15/6

17:15-18:31

2 stops31h 16m

Chicago Midway

Mon 22/6

18:58-16:45

2 stops15h 47m

£870

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Wed 17/6

09:45-22:17

2 stops18h 32m

Chicago Midway

Wed 24/6

12:45-09:15

2 stops14h 30m

£921

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 15/6

09:45-22:17

2 stops18h 32m

Chicago Midway

Mon 22/6

13:21-09:15

2 stops13h 54m

£936

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Mon 1/6

11:35-10:00

2 stops52h 25m

Chicago Midway

Mon 31/8

09:30-10:15

2 stops18h 45m

£982

CardiffChicago

CWL - MDW

CWLMDW

Cardiff Wales

Fri 19/6

09:45-22:17

2 stops18h 32m

Chicago Midway

Fri 26/6

09:54-09:15

2 stops17h 21m

£1,033

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 24 resultsSorted by cheapest first
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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
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 18h 32m. Virgin Atlantic provides one of the quickest options available for as low as £936. 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 £630, 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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£630Average£694FlexibilityNo 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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