London Heathrow (LHR) to Los Angeles (LAX)

• American Airlines (AA)
• British Airways (BA)
• United Airlines (UA)
• Virgin Atlantic (VS)
• Delta Airlines (DL) codeshare operated by Air France (AF) from April 2008

London Gatwick (LGW) to San Diego (SAN)

• Zoom Airlines (Z4) from June 2008

London Heathrow (LHR) to San Francisco (SFO)

• British Airways (BA)
• United Airlines (UA)
• Virgin Atlantic (VS)

Additional flights serving California from UK regions with one connection:

• Belfast (BFS)
• Bristol (BRS)
• Edinburgh (EDI)
• Glasgow (GLA)
• London Gatwick (LGW)
• Manchester (MAN) 

One stop connections from the UK directly to

• Orange County (SNA)
• San Diego (SAN)
• Sacramento (SMF)
• Palm Springs (PSP)