London City
Newark
2 stops
40h 30mMultiple Airlines
London Gatwick
New York John F Kennedy Intl
1 stop
14h 30mTAP AIR PORTUGAL
London Heathrow
Newark
1 stop
26h 45mIcelandair
London Heathrow
Los Angeles
1 stop
16h 05mLOT
London Gatwick
New York John F Kennedy Intl
1 stop
12h 45mAir Europa
London Gatwick
New York John F Kennedy Intl
1 stop
22h 10mRoyal Air Maroc
London Gatwick
Newark
1 stop
11h 20mNewark
London Gatwick
1 stop
10h 25mIcelandair
London Heathrow
Newark
1 stop
12h 30mNewark
London Heathrow
1 stop
11h 35mTAP AIR PORTUGAL
London Gatwick
New York John F Kennedy Intl
1 stop
29h 20mNew York John F Kennedy Intl
London Gatwick
1 stop
29h 55mAir Europa
London Heathrow
New York John F Kennedy Intl
Nonstop
7h 50mNew York John F Kennedy Intl
London Heathrow
Nonstop
7h 10mFinnair
London Heathrow
Newark
Nonstop
8h 30mNewark
London Heathrow
Nonstop
7h 20mLufthansa
London Gatwick
New York John F Kennedy Intl
1 stop
31h 05mNew York John F Kennedy Intl
London Gatwick
1 stop
13h 55mRoyal Air Maroc
January
£1,740
February
£1,763
March
£1,428
April
£1,805
May
£1,906
June
£2,172
July
£2,652
August
£2,462
September
£2,359
October
£2,021
November
£1,962
December
£1,929
Currently, March is the cheapest month in which you can book a business class flight to USA. Flying business class to USA in July 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.