Cheap flights from the United States to the United Kingdom from £209

The cheapest month to fly to United Kingdom from United States is in February. Flight prices, which tend to average around £484, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from United States during the month January is also very affordable. Most momondo users find prices during this month for around £492.

The cheapest day to depart from United States to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £516. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to United Kingdom for around £642.

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £545. Try not to purchase tickets in the evening because they tend to be around £598. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Miami to London Gatwick for the best United States - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £454 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from United States for as low as £439 on momondo.

LEVEL, Virgin Atlantic, and KLM are the most popular carriers operating from United States to United Kingdom

Virgin Atlantic, British Airways and Aer Lingus are the top three most popular airlines that fly to United Kingdom from United States according to our data. Virgin Atlantic is the first choice among our users, with 41% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between United States and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of May 2026, 214 flights take off from United States and land in United Kingdom each day. The most common flight departure time for this route is 20:00, with 57% of daily flights taking off in the evening.

As of May 2026, there are 1,504 flights per week flying from United States to United Kingdom. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.