Cheap flights from New York to London from $273

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from New York, with most prices found around $752. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from New York during January instead. Flights to London Heathrow Airport in January, while not as cheap as those in October, still average around $758.

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $726. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from New York to London Heathrow Airport for around $1,032.

In the morning is the cheapest time of day to fly from New York to London Heathrow Airport when you can find flight prices for as low as $749. Flying to London Heathrow Airport in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the evening when prices are around $909.

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 $844 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 $812 on momondo.

There are 3 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 18% 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 15% more expensive when compared to flights at the same time last year.

Historically, on average around 14% 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 151 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.

As of March 2026, 129 flights take off from New York and land in London Heathrow Airport each day. The most common flight departure time for this route is 18:00, with 84% of daily flights taking off in the evening.

As of March 2026, 908 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.