Cheap flights from London Heathrow Airport to New York from $348

The month of September is, on average, the cheapest month to fly to New York John F Kennedy Intl Airport from London Heathrow Airport, with most prices found around $495. If you don’t want to visit New York John F Kennedy Intl Airport in September, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $549.

Our data shows that Wednesday is the least expensive day to fly to New York John F Kennedy Intl Airport. Tickets to fly out on this day can be as low as $537. The most expensive day to fly to New York John F Kennedy Intl Airport is Saturday, with ticket prices averaging around $657.

According to our data, the cheapest time of day to fly to New York John F Kennedy Intl Airport is in the afternoon. momondo users have found flights departing from London Heathrow Airport to New York John F Kennedy Intl Airport in the afternoon for as low as $522. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $642.

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 $600 when searching weeks out. 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 $532 on momondo.

There are 4 cabin classes available to choose from on London Heathrow to New York John F Kennedy Intl 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 7% on your flight if you consider stops on a London Heathrow Airport to New York John F Kennedy Intl Airport flight.

As of March 2026, prices for London Heathrow Airport to New York John F Kennedy Intl Airport flights are approximately 36% more expensive when compared to flights at the same time last year.

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

British Airways, Virgin Atlantic and Delta 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. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to New York John F Kennedy Intl Airport. Keep in mind that there are 14 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 9% 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 170 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Brussels (BRU) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $532.

Flights connecting via Brussels (BRU) have the shortest average one-way travel time: 10h 15m.

Brussels (BRU) has the shortest average layover time for this route: 1h 30m.

The number of flights available between London Heathrow Airport and New York John F Kennedy Intl Airport is 89 per day as of March 2026. The most frequent departure time is 4:00PM, with 45% of daily flights leaving in the afternoon.

As of March 2026, there are 628 flights per week flying from London Heathrow Airport to New York John F Kennedy Intl Airport. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.