Cheap flights from London to New York from $504

The month of September is, on average, the cheapest month to fly to New York from London, with most prices found around $674. The month of March is another great option to travel to New York, with average flight prices from London averaging around $686.

According to our data, Sunday is the cheapest day to fly to New York from London. The lowest ticket price found for a Sunday departure recently was $722. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Wednesday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,042.

Our data shows that the cheapest London to New York flights are usually those with departure times in the morning. Our users have found flights to New York in the morning for as low as $724. In contrast, the most expensive time of day to depart to New York is in the evening when prices are around $1,046.

Fly from London Gatwick to New York John F Kennedy Intl for the best London - New York flight prices

You are more likely to see cheaper flights to New York from London when booking weeks ahead of your departure date. In general, you can expect to find flights to New York for around $830 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 from London for as low as $759 on momondo.

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

As of February 2026, prices for London to New York flights are approximately 28% more expensive when compared to flights at the same time last year.

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 172 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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, 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.

Reykjavik (KEF) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average return price of $617.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 30m.

Reykjavik (KEF) has the shortest average stopover time for this route: 3h 08m.

As of February 2026, there are 129 flights per day flying from London to New York. The most common time of day flights depart is 16:00, with 51% of flights taking off in the afternoon.

As of February 2026, there are 907 flights per week flying from London to New York. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.