Average price (all airlines)
Cheapflights currently has 25 JFK-LHR flights for under $900. Flights to London Heathrow Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.
When planning your JFK-LHR trip, keep in mind that Delta is typically rated 7.6/10. This rating comes from 5 reviews by Cheapflights users who have traveled with Delta.