New York John F Kennedy Intl
London Heathrow
1 stop
10h 30mIcelandair
New York John F Kennedy Intl
London Heathrow
1 stop
17h 40mAir Serbia
Newark
London Gatwick
1 stop
11h 10mTAP AIR PORTUGAL
Washington, D.C. Dulles Intl
London Heathrow
1 stop
19h 30mAvianca
New York John F Kennedy Intl
London City
2 stops
18h 10mMultiple Airlines
Newark
London Heathrow
1 stop
14h 45mScandinavian Airlines
Newark
London Gatwick
1 stop
10h 20mLondon Gatwick
Newark
1 stop
11h 10mIcelandair
Boston Logan Intl
London Heathrow
2 stops
20h 20mLondon Heathrow
Boston Logan Intl
2 stops
19h 05mAzores Airlines
New York John F Kennedy Intl
London Heathrow
1 stop
31h 45mLondon Heathrow
New York John F Kennedy Intl
2 stops
17h 15mMultiple Airlines
Boston Logan Intl
London Heathrow
Nonstop
7h 00mLondon Heathrow
Boston Logan Intl
Nonstop
8h 03mTAP AIR PORTUGAL
Newark
London Gatwick
1 stop
15h 35mLondon Gatwick
Newark
1 stop
21h 40mTurkish Airlines
Boston Logan Intl
London Heathrow
Nonstop
6h 50mLondon Heathrow
Boston Logan Intl
Nonstop
8h 05mKLM
January
$1,834
February
$1,835
March
$777
April
$1,821
May
$1,361
June
$1,643
July
$2,248
August
$2,156
September
$1,967
October
$1,618
November
$2,150
December
$1,959
Currently, March is the cheapest month in which you can book a business class flight to London. Flying business class to London 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.