London Heathrow
Los Angeles
1 stop
16h 05mLOT
London Heathrow
Los Angeles
2 stops
44h 35mMultiple Airlines
London Gatwick
San Francisco
1 stop
30h 20mTAP AIR PORTUGAL
London Heathrow
San Francisco
Nonstop
11h 05mFinnair
London Gatwick
Los Angeles
1 stop
26h 25mTurkish Airlines
London Heathrow
San Francisco
1 stop
15h 38mBritish Airways
London Heathrow
Los Angeles
1 stop
14h 30mLos Angeles
London Heathrow
1 stop
13h 05mAer Lingus
London Heathrow
San Francisco
1 stop
27h 05mSan Francisco
London Heathrow
1 stop
30h 40mTAP AIR PORTUGAL
London Gatwick
Los Angeles
1 stop
27h 40mLos Angeles
London Gatwick
1 stop
30h 25mTurkish Airlines
London City
Los Angeles
1 stop
28h 25mLos Angeles
London City
2 stops
19h 30mMultiple Airlines
London Heathrow
San Francisco
1 stop
15h 20mSan Francisco
London Heathrow
Nonstop
10h 30mBritish Airways
London Heathrow
Los Angeles
Nonstop
11h 18mLos Angeles
London Heathrow
Nonstop
10h 30mFinnair
January
£1,740
February
£1,763
March
£1,428
April
£1,805
May
£1,906
June
£2,366
July
£2,802
August
£2,470
September
£2,356
October
£2,021
November
£1,962
December
£1,929
March is currently the cheapest month to fly business class to California. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.