Cheap flights from London Heathrow Airport to New York from £300

In general, September is the cheapest month to fly from London Heathrow Airport to New York John F Kennedy Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £369. The month of February is another great option to travel to New York John F Kennedy Intl Airport, with average flight prices from London Heathrow Airport averaging around £406.

The cheapest day to depart from London Heathrow Airport to New York John F Kennedy Intl Airport is on a Wednesday. Travellers who choose to depart for New York John F Kennedy Intl Airport on a Wednesday will often find tickets for as low as £453. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £508.

Flying to New York John F Kennedy Intl Airport from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £391 when looking at flights departing at midday. Try not to purchase tickets in the evening because they tend to be around £560. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to New York John F Kennedy Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to New York John F Kennedy Intl Airport for around £455 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York John F Kennedy Intl Airport from London Heathrow Airport for as low as £422 on momondo.

There are 4 cabin classes available to choose from on London Heathrow Airport to New York John F Kennedy Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SWISS, British Airways, and LEVEL are the most popular carriers operating from London Heathrow to New York John F Kennedy Intl

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to New York John F Kennedy Intl Airport from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 61% of people opting to fly with this airline when travelling to New York John F Kennedy Intl Airport. Keep in mind that there are 19 different airlines that fly to New York John F Kennedy Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between London and New York have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

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

Saturday 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 9% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 34% of momondo users choosing one-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average return price of £345.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 10h 57m.

Zurich (ZRH) has the shortest average stopover time for this route: 1h 11m.

105 flights are operational daily from London Heathrow Airport to New York John F Kennedy Intl Airport as of April 2026. The most popular departure time for this route is 11:00, with 41% of flights per day taking off in the afternoon.

As of April 2026, 741 flights take off from London Heathrow Airport and land in New York John F Kennedy Intl Airport each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.