Title: £1,147 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)

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# £1,147 Cheap KLM flights from Cardiff to San Francisco (CWL→SFO)

[View £1,147 flight on Tue, 18 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:CWL,to:SFO,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1146.95&airProductToken=AQpnCjIIy5gBEgQxMDk0GMJdIICTASj1tf0CMMW2_QI4WUAAWAFqBUxJR0hUcghNWTIwQkJMQQoxCMuYARIDNjA1GICTASCycSiSvf0CMKbC_QI4TUABWAFqBUxJR0hUcghNWTIwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE)

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

Prices were available within the past 7 days and start at £1,147 for one-way flights and £618 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, 26 Jan - Fri, 6 Feb

CWL

Cardiff

SFO

San Francisco

£618

Return

found 5 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:26/01/2026TANYT&leg2=from:SFO,to:CWL,departure:06/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:617.95&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASjsuoMDMLy7gwM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSiyxYMDMMbKgwM4UkABWAFqBUxJR0hUcghSWTJESTVMQQpnCjEIy5gBEgM2MDYYsnEggJMBKIO8hAMw6sCEAzhSQABYAWoFTElHSFRyCFJZM0RJNUxBCjIIy5gBEgQxMDkzGICTASDCXSisxIQDMPfEhAM4TEABWAFqBUxJR0hUcghSWTNESTVMQRIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMA0)

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

Mon, 26 Jan - Fri, 6 Feb

CWL

Cardiff

SFO

San Francisco

£652

Return

found 5 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:26/01/2026TANYT&leg2=from:SFO,to:CWL,departure:06/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:651.95&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASjsuoMDMLy7gwM4TEAAWAFqBUxJR0hUcghSWTJESTVMQQoxCMuYARIDNjA1GICTASCycSiyxYMDMMbKgwM4UkABWAFqBUxJR0hUcghSWTJESTVMQQqbAQoxCMuYARIENjQ1MhiycSCpUSjkuIQDMK27hAM4TkAAWAFqBUxJR0hUcghOWTNESTVMQQoyCMuYARIENjA3MBipUSCAkwEo-buEAzCnv4QDOE5AAVgBagVMSUdIVHIITlkzREk1TEEKMgjLmAESBDEwODcYgJMBIMJdKP7AhAMwzsGEAzhMQAFYAWoFTElHSFRyCE5ZM0RJNUxBEgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwDQ)

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

Tue, 2 Dec - Tue, 9 Dec

CWL

Cardiff

SFO

San Francisco

£672

Return

found 9 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CWL,to:SFO,departure:02/12/2025TANYT&leg2=from:SFO,to:CWL,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:671.51&airProductToken=AQpnCjIIy5gBEgQxMDg4GMJdIICTASiM0P4CMNzQ_gI4TEAAWAFqBUxJR0hUcghSWTJFVEJMQQoxCMuYARIDNjA1GICTASCycSjS2v4CMObf_gI4UkABWAFqBUxJR0hUcghSWTJFVEJMQQpnCjEIy5gBEgM2MDYYsnEggJMBKKOk_wIwiqn_AjhSQABYAWoFTElHSFRyCFJZMkVUQkxBCjIIy5gBEgQxMDkzGICTASDCXSjMrP8CMJet_wI4TEABWAFqBUxJR0hUcghSWTJFVEJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE)

## Travel information

| Origin airport | Cardiff Intl. |
| --- | --- |
| Destination airport | San Francisco Intl. |
| Airlines serving | British Airways, KLM, Virgin Atlantic |
| Popular airline | Virgin Atlantic |
| Distance | 8433 km |

\*Available to Expedia members.