London City
New York John F Kennedy Intl
2 stops
40h 30mMultiple Airlines
London Gatwick
New York John F Kennedy Intl
1 stop
11h 10mIcelandair
London Gatwick
Newark
1 stop
14h 05mTAP AIR PORTUGAL
London Heathrow
Newark
1 stop
19h 20mLOT
London Gatwick
New York John F Kennedy Intl
1 stop
22h 10mRoyal Air Maroc
London Gatwick
New York John F Kennedy Intl
1 stop
12h 45mAir Europa
London Gatwick
New York John F Kennedy Intl
1 stop
11h 10mNew York John F Kennedy Intl
London Gatwick
1 stop
10h 30mIcelandair
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 Gatwick
Newark
1 stop
27h 55mNewark
London Gatwick
1 stop
11h 35mTAP AIR PORTUGAL
London Gatwick
New York John F Kennedy Intl
Nonstop
8h 00mNew York John F Kennedy Intl
London Gatwick
Nonstop
7h 05mFinnair
London Heathrow
Newark
Nonstop
7h 45mNewark
London Heathrow
Nonstop
7h 10mMultiple Airlines
London Heathrow
New York LaGuardia
1 stop
10h 43mNew York LaGuardia
London Heathrow
1 stop
9h 55mLufthansa
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.