Cheap flights from New York to London from €246

In general, February is the cheapest month to fly from New York to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €448. If you are unable to visit London during the month of February, then departing from New York during the month September is also very affordable. Most momondo users find prices during this month for around €453.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €435. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New York to London for around €700.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as €471. In contrast, the most expensive time of day to depart to London is in the evening when prices are around €566.

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

You are more likely to see cheaper flights to London from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around €521 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from New York for as low as €495 on momondo.

You could potentially save up to 3% on your flight if you consider stops on a New York to London flight.

As of April 2026, prices for New York to London flights are approximately 69% more expensive when compared to flights at the same time last year.

Historically, on average around 15% 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 158 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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 12% of their flights experiencing any sort of delay.

The number of flights available between New York and London is 144 per day as of April 2026. The most frequent departure time is 20:00, with 75% of daily flights leaving in the evening.

The number of flights available between New York and London is 1,011 per week as of April 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.