Cheap flights from London to New York from $642

The cheapest month to fly to New York John F Kennedy Intl Airport from London is in February. Flight prices, which tend to average around $724, are often lower during this time because this is during the off-season. If you aren’t able to travel to New York John F Kennedy Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $787.

The cheapest day to depart from London to New York John F Kennedy Intl Airport is on a Monday. Travellers who choose to depart for New York John F Kennedy Intl Airport on a Monday will often find tickets for as low as $788. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,589. These prices are subject to change though, so be sure to set up a Price Alert for flights to New York John F Kennedy Intl Airport.

The cheapest time of day to fly to New York John F Kennedy Intl Airport is in the morning when flights can be purchased for as low as $1,001. In contrast, the most expensive time of day to depart to New York John F Kennedy Intl Airport is in the afternoon when prices are around $1,139.

Fly from London Heathrow 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 $997 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 for as low as $904 on momondo.

There are 3 cabin classes available to choose from on London 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.

You could potentially save up to 10% on your flight if you consider stops on a London to New York John F Kennedy Intl Airport flight.

As of September 2026, prices for London to New York John F Kennedy Intl Airport flights are approximately 37% more expensive when compared to flights at the same time last year.

Historically, on average around 11% 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 171 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.

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

As of September 2026, 116 flights take off from London and land in New York John F Kennedy Intl Airport each day. The most common flight departure time for this route is 11:00, with 40% of daily flights taking off in the afternoon.

The number of flights available between London and New York John F Kennedy Intl Airport is 816 per week as of September 2026. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.