London City
New York John F Kennedy Intl
2 stops
43h 30mMultiple Airlines
London Heathrow
New York John F Kennedy Intl
1 stop
13h 45mTAP AIR PORTUGAL
London Heathrow
New York John F Kennedy Intl
1 stop
14h 00mIcelandair
London Heathrow
Newark
1 stop
16h 40mLOT
London Heathrow
New York John F Kennedy Intl
2 stops
28h 45mAzores Airlines
London Gatwick
New York John F Kennedy Intl
1 stop
31h 05mRoyal Air Maroc
London Heathrow
New York John F Kennedy Intl
1 stop
19h 50mNew York John F Kennedy Intl
London Heathrow
1 stop
10h 05mVirgin Atlantic
London Heathrow
Newark
Nonstop
8h 20mNewark
London Heathrow
Nonstop
7h 05mMultiple Airlines
London Heathrow
Newark
Nonstop
8h 10mNewark
London Heathrow
Nonstop
6h 40mIberia
London Gatwick
New York John F Kennedy Intl
Nonstop
8h 15mNew York John F Kennedy Intl
London Gatwick
Nonstop
6h 50mFinnair
London Heathrow
Newark
Nonstop
8h 20mNewark
London Heathrow
Nonstop
7h 05mLufthansa
London Gatwick
Newark
1 stop
14h 05mNewark
London Gatwick
1 stop
11h 10mTAP AIR PORTUGAL
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.