Title: £1,138 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)

# £1,138 Cheap KLM flights from Cardiff to San Francisco (CWL→SFO)

[View £1,138 flight on Wed, 14 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:CWL,to:SFO,departure:14/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1137.25&airProductToken=AQq1AQoyCMuYARIEMTA4OBjCXSCAkwEo7LOCAzC8tIIDOFlAAFgBagVMSUdIVHIITVkyMEJCTEEKPwjLmAESBDYxMjAYgJMBIOO0ASjDtYIDMOS5ggM4TUABWAFqBUxJR0hUcghNWTIwQkJMQXoKCMSYARIENjEyMAo-CMuYARIENzM2MBjjtAEgsnEol7uCAzDdvYIDOE1AAVgBagVMSUdIVHIITVkyMEJCTEF6CgjEmAESBDczNjASCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAN) 

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## KLM flights from Cardiff to San Francisco (CWL→SFO)

Prices were available within the past 7 days and start at £1,138 for one-way flights and £589 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, 20 Jan - Tue, 27 Jan

CWL

Cardiff

SFO

San Francisco

£589

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:20/01/2026TANYT&leg2=from:SFO,to:CWL,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:588.15&airProductToken=AQpnCjIIy5gBEgQxMDk0GMJdIICTASjV-oIDMKX7ggM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSjygYMDMIaHgwM4UkABWAFqBUxJR0hUcghSWTJESTVMQQqoAQo-CMuYARIENzEwNBiycSCLuAEolsqDAzDzyoMDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDcxMDQKMgjLmAESAzYwMhiLuAEggJMBKLnLgwMwqtCDAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBCjIIy5gBEgQxMDkzGICTASDCXSjs04MDMLfUgwM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0)

![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)

Tue, 10 Mar - Tue, 17 Mar

CWL

Cardiff

SFO

San Francisco

£589

Return

found 5 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:10/03/2026TANYT&leg2=from:SFO,to:CWL,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:588.55&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASjMnocDMJyfhwM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSiSqYcDMKauhwM4UkABWAFqBUxJR0hUcghSWTJESTVMQQq1AQo-CMuYARIENjk4MxiycSDjtAEosfGHAzDB84cDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDY5ODMKPwjLmAESBDYwMzQY47QBIICTASjE9IcDMJ_4hwM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjAzNAoyCMuYARIEMTA5MxiAkwEgwl0ojPuHAzDX-4cDOExAAVgBagVMSUdIVHIIUlkyREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN)

![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)

Wed, 21 Jan - Wed, 28 Jan

CWL

Cardiff

SFO

San Francisco

£593

Return

found 3 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:21/01/2026TANYT&leg2=from:SFO,to:CWL,departure:28/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:592.35&airProductToken=AQq1AQoyCMuYARIEMTA4OBjCXSCAkwEozIKDAzCcg4MDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKPwjLmAESBDYxMjAYgJMBIOO0ASijhIMDMMSIgwM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjEyMAo-CMuYARIENzM2MBjjtAEgsnEo94mDAzC9jIMDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDczNjAKpgEKPQjLmAESBDY0NTIYsnEgqVEoxNODAzCN1oMDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDY0NTIKMQjLmAESAzY0MhipUSCAkwEoldeDAzC-2oMDOFJAAVgBagVMSUdIVHIIUlkyREk1TEEKMgjLmAESBDEwODcYgJMBIMJdKN7bgwMwrtyDAzhMQAFYAWoFTElHSFRyCFJZMkRJNUxBEgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwDQ)

![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)

Tue, 10 Mar - Tue, 17 Mar

CWL

Cardiff

SFO

San Francisco

£593

Return

found 5 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:10/03/2026TANYT&leg2=from:SFO,to:CWL,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:592.75&airProductToken=AQq1AQoyCMuYARIEMTA4OBjCXSCAkwEozJ6HAzCcn4cDOExAAFgBagVMSUdIVHIIUlkyREk1TEEKPwjLmAESBDYxMjAYgJMBIOO0ASijoIcDMLqkhwM4UkABWAFqBUxJR0hUcghSWTJESTVMQXoKCMSYARIENjEyMAo-CMuYARIENzM2MBjjtAEgsnEoqaWHAzDpp4cDOFJAAVgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDczNjAKswEKPQjLmAESBDc1NTgYsnEgqVEoj_CHAzDd8ocDOFJAAFgBagVMSUdIVHIIUlkyREk1TEF6CgjEmAESBDc1NTgKPgjLmAESBDYwMDcYqVEggJMBKNHzhwMwk_eHAzhSQAFYAWoFTElHSFRyCFJZMkRJNUxBegoIxJgBEgQ2MDA3CjIIy5gBEgQxMDg3GICTASDCXSjj94cDMK74hwM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0)

![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)

Mon, 20 Apr - Tue, 19 May

CWL

Cardiff

SFO

San Francisco

£599

Return

found 2 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:20/04/2026TANYT&leg2=from:SFO,to:CWL,departure:19/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:598.95&airProductToken=AQpnCjIIy5gBEgQxMDkyGMJdIICTASjP7ooDMJ_vigM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSj29YoDMIX7igM4UkABWAFqBUxJR0hUcghSWTJESTVMQQpnCjEIy5gBEgM2MDYYsnEggJMBKP22jQMw6buNAzhSQABYAWoFTElHSFRyCFJZMkRJNUxBCjIIy5gBEgQxMDkxGICTASDCXSihv40DMPG_jQM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0)

![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)

Tue, 20 Jan - Tue, 27 Jan

CWL

Cardiff

SFO

San Francisco

£600

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:20/01/2026TANYT&leg2=from:SFO,to:CWL,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:599.91&airProductToken=AQpnCjIIy5gBEgQxMDk0GMJdIICTASjV-oIDMKX7ggM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSjygYMDMIaHgwM4UkABWAFqBUxJR0hUcghSWTJESTVMQQpnCjEIy5gBEgM2MDYYsnEggJMBKMPLgwMwqtCDAzhSQABYAWoFTElHSFRyCFJZMkRJNUxBCjIIy5gBEgQxMDkzGICTASDCXSjs04MDMLfUgwM4TEABWAFqBUxJR0hUcghSWTJESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0)

__Flight from Cardiff to San Francisco route information__
| Origin airport      | Cardiff Intl.                                |
| ------------------- | -------------------------------------------- |
| Destination airport | San Francisco Intl.                          |
| Airlines serving    | British Airways, Delta, KLM, Virgin Atlantic |
| Popular airline     | Virgin Atlantic                              |
| Distance            | 8433 km                                      |

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