London City
New York John F Kennedy Intl
2 stops
34h 25mMultiple Airlines
London Gatwick
New York John F Kennedy Intl
1 stop
14h 10mIcelandair
London Gatwick
Newark
1 stop
29h 00mTAP AIR PORTUGAL
London Gatwick
New York John F Kennedy Intl
2 stops
27h 20mAzores Airlines
London Heathrow
Los Angeles
1 stop
16h 05mLOT
London Gatwick
New York John F Kennedy Intl
1 stop
31h 05mRoyal Air Maroc
London Gatwick
New York John F Kennedy Intl
1 stop
14h 30mNew York John F Kennedy Intl
London Gatwick
1 stop
10h 55mTAP AIR PORTUGAL
London Heathrow
New York John F Kennedy Intl
Nonstop
8h 05mNew York John F Kennedy Intl
London Heathrow
Nonstop
7h 10mAir France
London Heathrow
Newark
Nonstop
8h 10mNewark
London Heathrow
Nonstop
7h 10mMultiple Airlines
London Heathrow
New York John F Kennedy Intl
1 stop
11h 10mNew York John F Kennedy Intl
London Heathrow
Nonstop
7h 00mFinnair
London Gatwick
New York John F Kennedy Intl
1 stop
12h 45mNew York John F Kennedy Intl
London Gatwick
1 stop
13h 20mAir Europa
London Heathrow
New York John F Kennedy Intl
1 stop
17h 40mNew York John F Kennedy Intl
London Heathrow
Nonstop
6h 50mAmerican Airlines
January
£643
February
£1,821
March
£946
April
£611
May
£639
June
£907
July
£1,536
August
£2,301
September
£725
October
£1,414
November
£2,016
December
£806
Currently, April is the cheapest month in which you can book a business class flight to USA. Flying business class to USA in August will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.