Cheap flights from the United States to London from £188

The cheapest month to fly to London Gatwick Airport from United States is in April. Flight prices, which tend to average around £41, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in April, then you should wait until January to fly from United States, when ticket prices are also cheap, with an average price of £69.

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from United States. The lowest ticket price found for a Thursday departure recently was £287. 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 £425. 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 afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £303. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the evening when prices are around £405.

Fly from Miami 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 £409 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 £301 on momondo.

LEVEL, JetBlue, and Delta are the most popular carriers operating from United States to London Gatwick

Norse Atlantic UK, British Airways and JetBlue are the top three most popular airlines that fly to London Gatwick Airport from United States according to our data. Norse Atlantic UK is the first choice among our users, with 55% of people opting to fly with this airline when travelling to London Gatwick Airport. Keep in mind that there are 3 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% 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 161 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning 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, Norse Atlantic Airways have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

3 flights are operational weekly from United States to London Gatwick Airport as of May 2026. The most popular departure day for this route is Tue, with 33% of flights per week taking off on this day.

On average, it takes 6h 30m to fly from United States to London Gatwick Airport if you fly out of Boston (the most popular airport in United States) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of New York and into London Heathrow Airport, then the flight time is around 6h 55m.