Cheap flights from New York John F Kennedy Intl Airport to London from £193

The cheapest month to fly to London from New York John F Kennedy Intl Airport is in February. Flight prices, which tend to average around £377, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from New York John F Kennedy Intl Airport averaging around £379.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £392. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New York John F Kennedy Intl Airport to London for around £466.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £405. Flights in the evening are often more expensive, with an average ticket price of £437.

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

You are more likely to see cheaper flights to London from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £450 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from New York John F Kennedy Intl Airport for as low as £428 on momondo.

No. A direct flight is the cheapest option for a flight between New York John F Kennedy Intl Airport to London.

As of May 2026, prices for New York John F Kennedy Intl Airport to London flights are approximately 31% more expensive when compared to flights at the same time last year.

TAP AIR PORTUGAL, SWISS, and Delta are the most popular carriers operating from New York John F Kennedy Intl to London

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to London from New York John F Kennedy Intl Airport according to our data. Virgin Atlantic is the first choice among our users, with 51% of people opting to fly with this airline when travelling to London. Keep in mind that there are 11 different airlines that fly to London 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 158 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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 12% of their flights experiencing any sort of delay.

Dublin (DUB) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average return price of £381.

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.

The number of flights available between New York John F Kennedy Intl Airport and London is 103 per day as of May 2026. The most frequent departure time is 20:00, with 82% of daily flights leaving in the evening.

725 flights are operational weekly from New York John F Kennedy Intl Airport to London as of May 2026. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.