Cheap flights from London to New York from $346

The month of February is, on average, the cheapest month to fly to New York John F Kennedy Intl Airport from London, with most prices found around $437. If you don’t want to visit New York John F Kennedy Intl Airport in February, then you should wait until April to fly from London, when ticket prices are also cheap, with an average price of $458.

Our data shows that Thursday 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 $550. The most expensive day to fly to New York John F Kennedy Intl Airport is Sunday, with ticket prices averaging around $661.

According to our data, the cheapest time of day to fly to New York John F Kennedy Intl Airport is at noon. momondo users have found flights departing from London to New York John F Kennedy Intl Airport at noon for as low as $527. 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 evening are often more expensive with an average ticket price of $698.

Fly from London Gatwick to New York John F Kennedy Intl for the best London - 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 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 $602 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 for as low as $533 on momondo.

There are 4 cabin classes available to choose from on London 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 8% on your flight if you consider stops on a London to New York John F Kennedy Intl Airport flight.

As of March 2026, prices for London to New York John F Kennedy Intl Airport flights are approximately 38% more expensive when compared to flights at the same time last year.

Norse Atlantic UK, Icelandair, and United Airlines are the most popular carriers operating from London to New York John F Kennedy Intl

British Airways, Virgin Atlantic and American Airlines are the top three most popular airlines that fly to New York John F Kennedy Intl Airport from London according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to New York John F Kennedy Intl Airport. Keep in mind that there are 15 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 173 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.

Tuesday 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, JetBlue have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Brussels (BRU) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $497.

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.

98 flights are operational daily from London to New York John F Kennedy Intl Airport as of March 2026. The most popular departure time for this route is 4:00PM, with 45% of flights per day taking off in the afternoon.

The number of flights available between London and New York John F Kennedy Intl Airport is 691 per week as of March 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.