Cheap flights from New York to London from €243

The month of January is another great option to travel to London Heathrow Airport, with average flight prices from New York averaging around €505.

The cheapest day to depart on your flight to London Heathrow Airport is on a Monday when prices can be found for as low as €448. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from New York because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €779.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from New York to London Heathrow Airport in the morning for as low as €592. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €738 on average. Flights to London Heathrow Airport from New York in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from New York John F Kennedy Intl to London Heathrow for the best New York - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around €643 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New York for as low as €590 on momondo.

There are 3 cabin classes available to choose from on New York to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 2% on your flight if you consider stops on a New York to London Heathrow Airport flight.

As of September 2026, prices for New York to London Heathrow Airport flights are approximately 80% cheaper when compared to flights at the same time last year.

Historically, on average around 13% of flights between New York and London have experienced a delay on any given week. The average delay length over the past 12 months has been 162 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

144 flights are operational daily from New York to London Heathrow Airport as of September 2026. The most popular departure time for this route is 19:00, with 75% of flights per day taking off in the evening.

1,013 flights are operational weekly from New York to London Heathrow Airport as of September 2026. The most popular departure day for this route is Fri, with 16% of flights per week taking off on this day.