Cheap flights from New York to London from £136

In general, February is the cheapest month to fly from New York to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £400. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from New York averaging around £404.

On average, the least expensive day to fly to London Heathrow Airport from New York is on a Monday. momondo users have found tickets for Monday departures for as low as £413. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £461.

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 £419. 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 afternoon when prices are £461 on average. Flights to London Heathrow Airport from New York in the afternoon 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 £451 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 £436 on momondo.

There are 4 cabin classes available to choose from on New York to London Heathrow 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 March 2026, prices for New York to London Heathrow Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

United Airlines, Lufthansa, and SWISS are the most popular carriers operating from New York to London Heathrow

Virgin Atlantic, British Airways and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from New York according to our data. Virgin Atlantic is the first choice among our users, with 43% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 12 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 152 minutes.

Generally, flights departing in the morning 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. Thursday 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.

Dublin (DUB) was the most common stop: 57% of momondo users choosing one-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average return price of £386.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 10m.

Dublin (DUB) has the shortest average stopover time for this route: 1h 20m.

As of March 2026, 137 flights take off from New York and land in London Heathrow Airport each day. The most common flight departure time for this route is 21:00, with 87% of daily flights taking off in the evening.

As of March 2026, 962 flights take off from New York and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.