Cheap flights from the United States to London from £137

The cheapest month to fly to London Gatwick Airport from United States is in February. Flight prices, which tend to average around £340, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in February, then you should wait until January to fly from United States, when ticket prices are also cheap, with an average price of £378.

According to our data, Friday is the cheapest day to fly to London Gatwick Airport from United States. The lowest ticket price found for a Friday departure recently was £379. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to London Gatwick Airport on a Saturday will generally be more expensive and average around £589. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest United States to London Gatwick Airport flights are usually those with departure times in the evening. Our users have found flights to London Gatwick Airport in the evening for as low as £341. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the afternoon when prices are around £472.

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

You are more likely to see cheaper flights to London Gatwick Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £479 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from United States for as low as £318 on momondo.

There are 3 cabin classes available to choose from on United States to London Gatwick Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 18% of flights between United States and London have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday 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, Norse Atlantic Airways have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

11 flights are operational daily from United States to London Gatwick Airport as of September 2026. The most popular departure time for this route is 21:00, with 59% of flights per day taking off in the evening.

78 flights are operational weekly from United States to London Gatwick Airport as of September 2026. The most popular departure day for this route is Sat, with 21% of flights per week taking off on this day.