Title: £1,142 Cheap KLM flights from Cardiff to San Francisco (CWL→SFO) - Expedia.co.uk ![Sunset view of the Golden Gate Bridge and fog from Battery Spencer, Golden Gate National Recreation Area, in San Francisco, California.](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £1,142 Cheap KLM flights from Cardiff to San Francisco (CWL→SFO) [View £1,142 flight on Mon, 24 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:CWL,to:SFO,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1141.64&airProductToken=AQpnCjIIy5gBEgQxMDk0GMJdIICTASir-f0CMPv5_QI4WUAAWAFqBUxJR0hUcghNWTIwQkJMQQoxCMuYARIDNjA1GICTASCycSjSgP4CMOaF_gI4TUABWAFqBUxJR0hUcghNWTIwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMA0) - [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 San Francisco (CWL→SFO) Prices were available within the past 7 days and start at £1,142 for one-way flights and £610 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) Tue, 10 Feb - Tue, 17 Feb CWL Cardiff SFO San Francisco £610 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:10/02/2026TANYT&leg2=from:SFO,to:CWL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:609.45&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASjM44QDMJzkhAM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSiS7oQDMKbzhAM4UkABWAFqBUxJR0hUcghSWTJESTVMQQqmAQo9CMuYARIENjQ1MhiycSCpUSjEtIUDMI23hQM4UkAAWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjQ1MgoxCMuYARIDNjQyGKlRIICTASiVuIUDML67hQM4UkABWAFqBUxJR0hUcghSWTJESTVMQQoyCMuYARIEMTA4NxiAkwEgwl0o47yFAzCuvYUDOExAAVgBagVMSUdIVHIIUlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 24 Feb - Thu, 19 Mar CWL Cardiff SFO San Francisco £614 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:24/02/2026TANYT&leg2=from:SFO,to:CWL,departure:19/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:613.35&airProductToken=AQqoAQoyCMuYARIEMTA5NBjCXSCAkwEotYSGAzCFhYYDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMgjLmAESAzYwMRiAkwEgi7gBKMiLhgMw4ZCGAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBCj4Iy5gBEgQ3MDU1GIu4ASCycSj-koYDMNaThgM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENzA1NQqmAQo9CMuYARIENjQ1MBiycSCpUSi5hYgDMIOIiAM4UkAAWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjQ1MAoxCMuYARIDNjQyGKlRIICTASjViYgDMP6MiAM4UkABWAFqBUxJR0hUcghSWTJESTVMQQoyCMuYARIEMTA4NxiAkwEgwl0ono6IAzDujogDOExAAVgBagVMSUdIVHIIUlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 10 Feb - Tue, 17 Feb CWL Cardiff SFO San Francisco £614 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:10/02/2026TANYT&leg2=from:SFO,to:CWL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:613.75&airProductToken=AQqmAQoyCMuYARIEMTA4OBjCXSCAkwEozOOEAzCc5IQDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMQjLmAESAzY0MRiAkwEgqVEozuSEAzC96IQDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKPQjLmAESBDc1NTkYqVEgsnEomeqEAzCs7YQDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDc1NTkKZwoxCMuYARIDNjA2GLJxIICTASjjt4UDMMq8hQM4UkAAWAFqBUxJR0hUcghSWTJESTVMQQoyCMuYARIEMTA5MxiAkwEgwl0ojMCFAzDXwIUDOExAAVgBagVMSUdIVHIIUlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 10 Feb - Tue, 17 Feb CWL Cardiff SFO San Francisco £628 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:10/02/2026TANYT&leg2=from:SFO,to:CWL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:627.73&airProductToken=AQpnCjIIy5gBEgQxMDk0GMJdIICTASj15oQDMMXnhAM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSiS7oQDMKbzhAM4UkABWAFqBUxJR0hUcghSWTJESTVMQQpnCjEIy5gBEgM2MDYYsnEggJMBKOO3hQMwyryFAzhSQABYAWoFTElHSFRyCFJZMkRJNUxBCjIIy5gBEgQxMDkzGICTASDCXSiMwIUDMNfAhQM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0) ![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 SFO San Francisco £644 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:12/01/2026TANYT&leg2=from:SFO,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:643.45&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASisnYIDMPydggM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSjyp4IDMIatggM4UkABWAFqBUxJR0hUcghSWTJESTVMQQq1AQo-CMuYARIENjk4MxiycSDjtAEo2vCCAzDx8oIDOE5AAFgBagVMSUdIVHIITlkyREk1TEF6CgjEmAESBDY5ODMKPwjLmAESBDYwMzQY47QBIICTASif84IDMPr2ggM4TkABWAFqBUxJR0hUcghOWTJESTVMQXoKCMSYARIENjAzNAoyCMuYARIEMTA5MxiAkwEgwl0o7PmCAzC3-oIDOExAAVgBagVMSUdIVHIITlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 24 Feb - Thu, 19 Mar CWL Cardiff SFO San Francisco £648 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:24/02/2026TANYT&leg2=from:SFO,to:CWL,departure:19/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:647.35&airProductToken=AQqoAQoyCMuYARIEMTA5NBjCXSCAkwEotYSGAzCFhYYDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKMgjLmAESAzYwMRiAkwEgi7gBKMiLhgMw4ZCGAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBCj4Iy5gBEgQ3MDU1GIu4ASCycSj-koYDMNaThgM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENzA1NQqmAQo9CMuYARIENzU1OBiycSCpUSi2hogDMIWJiAM4TkAAWAFqBUxJR0hUcghOWTJESTVMQXoKCMSYARIENzU1OAoxCMuYARIDNjQ0GKlRIICTASisi4gDMN-OiAM4TkABWAFqBUxJR0hUcghOWTJESTVMQQoyCMuYARIEMTA5MxiAkwEgwl0owpGIAzCNkogDOExAAVgBagVMSUdIVHIITlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) Flight from Cardiff to San Francisco route information | Origin airport | Cardiff Intl. | | --- | --- | | Destination airport | San Francisco Intl. | | Airlines serving | Air France, British Airways, Delta, KLM, Virgin Atlantic | | Popular airline | Virgin Atlantic | | Distance | 8433 km | ## Explore a world of travel with Expedia \*Available to Expedia members.