Cheap flights from New York to London from $239

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from New York, with most prices found around $521. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from New York to London Heathrow Airport during January average around $525.

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $704. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $754.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from New York to London Heathrow Airport in the morning for as low as $681. 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 $751.

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 $645 when searching weeks out. 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 $591 on momondo.

There are 4 cabin classes available to choose from on New York to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between New York to London Heathrow Airport.

As of July 2026, prices for New York to London Heathrow Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

United Airlines, British Airways, and KLM are the most popular carriers operating from New York to London Heathrow

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from New York according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 21 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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 160 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $291.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 24m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 02m.

As of July 2026, 142 flights take off from New York and land in London Heathrow Airport each day. The most common flight departure time for this route is 7:00PM, with 75% of daily flights taking off in the evening.

The number of flights available between New York and London Heathrow Airport is 999 per week as of July 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.