Cheap flights from London Heathrow Airport to New York from $509

The cheapest month to fly to New York John F Kennedy Intl Airport from London Heathrow Airport is in September. Flight prices, which tend to average around $703, 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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $770.

The cheapest day to depart from London Heathrow Airport to New York John F Kennedy Intl Airport is on a Sunday. Travellers who choose to depart for New York John F Kennedy Intl Airport on a Sunday will often find tickets for as low as $725. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,049. 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 $727. 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 $1,089.

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 $838 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 Heathrow Airport for as low as $764 on momondo.

There are 3 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 11% on your flight if you consider stops on a London Heathrow Airport to New York John F Kennedy Intl Airport flight.

As of February 2026, prices for London Heathrow Airport to New York John F Kennedy Intl Airport flights are approximately 15% more expensive when compared to flights at the same time last year.

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 168 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.

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

The number of flights available between London Heathrow Airport and New York John F Kennedy Intl Airport is 93 per day as of February 2026. The most frequent departure time is 16:00, with 50% of daily flights leaving in the afternoon.

The number of flights available between London Heathrow Airport and New York John F Kennedy Intl Airport is 657 per week as of February 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.