Title: £1,238 Cheap KLM flights from Cardiff to Chicago (CWL→ORD) - Expedia.co.uk ![City of Chicago. Image of Chicago downtown and Chicago River with bridges at sunny summer day](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £1,238 Cheap KLM flights from Cardiff to Chicago (CWL→ORD) [View £1,238 flight on Wed, 10 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:CWL,to:ORD,departure:10/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1237.25&airProductToken=AQq1AQoyCMuYARIEMTA4OBjCXSCAkwEojKr_AjDcqv8COFlAAFgBagVMSUdIVHIITVkyMEJCTEEKPwjLmAESBDYxMjAYgJMBIOO0ASjjq_8CMP-v_wI4TUABWAFqBUxJR0hUcghNWTIwQkJMQXoKCMSYARIENjEyMAo-CMuYARIENTk3NxjjtAEgrhwo_LD_AjDbsf8COE1AAVgBagVMSUdIVHIITVkyMEJCTEF6CgjEmAESBDU5NzcSCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAN) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## KLM flights from Cardiff to Chicago (CWL→ORD) Prices were available within the past 7 days and start at £1,238 for one-way flights and £615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 12 Jan - Mon, 19 Jan CWL Cardiff ORD Chicago £615 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:12/01/2026TANYT&leg2=from:ORD,to:CWL,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:614.95&airProductToken=AQqzAQoyCMuYARIEMTA5NBjCXSCAkwEoy6CCAzCboYIDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKPgjLmAESBDYwMjAYgJMBIKlRKLunggMwyKuCAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBegoIxJgBEgQ2MDIwCj0Iy5gBEgQ3MjUzGKlRIK4cKMStggMw8a6CAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBegoIxJgBEgQ3MjUzCmcKMQjLmAESAzYxMhiuHCCAkwEo4fGCAzCj9YIDOFJAAFgBagVMSUdIVHIIUlkyREk1TEEKMgjLmAESBDEwODcYgJMBIMJdKMP2ggMwjveCAzhMQAFYAWoFTElHSFRyCFJZMkRJNUxBEgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Wed, 4 Mar - Thu, 26 Mar CWL Cardiff ORD Chicago £616 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:04/03/2026TANYT&leg2=from:ORD,to:CWL,departure:26/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:615.95&airProductToken=AQq1AQoyCMuYARIEMTA4OBjCXSCAkwEojNuGAzDc24YDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKPwjLmAESBDYxMjAYgJMBIOO0ASjj3IYDMPrghgM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjEyMAo-CMuYARIENTk3NhjjtAEgrhwoi-KGAzDk4oYDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDU5NzYKpgEKPQjLmAESBDc4NjYYrhwgqVEosNOIAzDB1IgDOE5AAFgBagVMSUdIVHIITlkyREk3TE16CgjEmAESBDc4NjYKMQjLmAESAzY0MhipUSCAkwEotdiIAzDe24gDOE5AAVgBagVMSUdIVHIITlkyREk3TE0KMgjLmAESBDEwODcYgJMBIMJdKP7ciAMwzt2IAzhMQAFYAWoFTElHSFRyCE5ZMkRJN0xNEgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 12 Jan - Mon, 19 Jan CWL Cardiff ORD Chicago £619 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:12/01/2026TANYT&leg2=from:ORD,to:CWL,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:618.95&airProductToken=AQqmAQoyCMuYARIEMTA5NBjCXSCAkwEoy6CCAzCboYIDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMQjLmAESAzYyMxiAkwEg4Fwo96eCAzC7rIIDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKPQjLmAESBDU4NTQY4FwgrhwouK2CAzC0roIDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDU4NTQKZwoxCMuYARIDNjEyGK4cIICTASjh8YIDMKP1ggM4UkAAWAFqBUxJR0hUcghSWTJESTVMQQoyCMuYARIEMTA5MxiAkwEgwl0o7PmCAzC3-oIDOExAAVgBagVMSUdIVHIIUlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Wed, 4 Mar - Sun, 15 Mar CWL Cardiff ORD Chicago £620 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:04/03/2026TANYT&leg2=from:ORD,to:CWL,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:619.55&airProductToken=AQqmAQoyCMuYARIEMTA4OBjCXSCAkwEojNuGAzDc24YDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMQjLmAESAzY0MRiAkwEgqVEojtyGAzD934YDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKPQjLmAESBDY4MDgYqVEgrhwo--GGAzCt44YDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDY4MDgKswEKPQjLmAESBDczMDMYrhwg4Fwo2N2HAzDY3ocDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDczMDMKPgjLmAESBDYwNzIY4FwggJMBKM3nhwMw0OuHAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBegoIxJgBEgQ2MDcyCjIIy5gBEgQxMDkzGICTASDCXSjs74cDMLfwhwM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Wed, 4 Mar - Sun, 15 Mar CWL Cardiff ORD Chicago £623 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:04/03/2026TANYT&leg2=from:ORD,to:CWL,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:622.55&airProductToken=AQqmAQoyCMuYARIEMTA4OBjCXSCAkwEojNuGAzDc24YDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMQjLmAESAzYyMRiAkwEg4Fwo5d2GAzCp4oYDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKPQjLmAESBDUwNjEY4Fwgrhwoq-OGAzCl5IYDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDUwNjEKpgEKPQjLmAESBDczMDMYrhwg4Fwo2N2HAzDY3ocDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDczMDMKMQjLmAESAzYyNBjgXCCAkwEogueHAzDn6ocDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKMgjLmAESBDEwODcYgJMBIMJdKMPshwMwju2HAzhMQAFYAWoFTElHSFRyCFJZMkRJNUxBEgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 12 Jan - Mon, 19 Jan CWL Cardiff ORD Chicago £628 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:12/01/2026TANYT&leg2=from:ORD,to:CWL,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:627.95&airProductToken=AQqmAQoyCMuYARIEMTA5NBjCXSCAkwEoy6CCAzCboYIDOExAAFgBagVMSUdIVHIIVlkyNkRITE0KMQjLmAESAzYyMxiAkwEg4Fwo96eCAzC7rIIDOFZAAVgBagVMSUdIVHIIVlkyNkRITE0KPQjLmAESBDU4NTQY4FwgrhwouK2CAzC0roIDOFZAAVgBagVMSUdIVHIIVlkyNkRITE16CgjEmAESBDU4NTQKgAEKPgjWpgESBDcxNDIYrhwggJMBKOHxggMwo_WCAzhUQABYAWoFTElHSFRyCE9ZMjZES0xNegoIy5gBEgQ3MTQyCj4I1qYBEgQ2OTYzGICTASDCXSjD9oIDMI73ggM4VEABWAFqBUxJR0hUcghPWTI2REtMTXoKCMuYARIENjk2MxIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 11 May - Mon, 25 May CWL Cardiff ORD Chicago £633 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:ORD,departure:11/05/2026TANYT&leg2=from:ORD,to:CWL,departure:25/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:632.55&airProductToken=AQqmAQoyCMuYARIEMTA4OBjCXSCAkwEordeMAzD414wDOExAAFgBagVMSUdIVHIIVlkyREk3TE0KMQjLmAESAzY0NRiAkwEgqVEorNmMAzCR3YwDOFZAAVgBagVMSUdIVHIIVlkyREk3TE0KPQjLmAESBDc1NTkYqVEgrhwop96MAzDc34wDOFZAAVgBagVMSUdIVHIIVlkyREk3TE16CgjEmAESBDc1NTkKswEKPQjLmAESBDY3MzkYrhwgzHwonPuNAzD9-40DOFJAAFgBagVMSUdIVHIIUlk0REk1TEF6CgjEmAESBDY3MzkKPgjLmAESBDYwNTgYzHwggJMBKMH8jQMwsICOAzhSQAFYAWoFTElHSFRyCFJZNERJNUxBegoIxJgBEgQ2MDU4CjIIy5gBEgQxMDkxGICTASDCXSjhgo4DMLGDjgM4TEABWAFqBUxJR0hUcghSWTRESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0) Flight from Cardiff to Chicago route information | Origin airport | Cardiff Intl. | | --- | --- | | Destination airport | O'Hare Intl. | | Airlines serving | Air France, KLM, Virgin Atlantic | | Popular airline | KLM | | Distance | 6133 km | ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_FR-DE-MX-UK_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Save up to 40% on select hotels. 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