Cheap flights from the United States to the United Kingdom from $188

In general, September is the cheapest month to fly from United States to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $505. If you aren’t able to travel to United Kingdom during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $517.

The cheapest day to depart from United States to United Kingdom is on a Wednesday when prices can be found for as low as $742. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $836.

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from United States to United Kingdom at noon for as low as $743. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $802. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from New York John F Kennedy Intl 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 $597 when searching weeks out. 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 $577 on momondo.

There are 4 cabin classes available to choose from on United States to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

TAP AIR PORTUGAL, British Airways, and Norse Atlantic UK are the most popular carriers operating from United States to United Kingdom

British Airways, United Airlines and Delta are the top three most popular airlines that fly to United Kingdom from United States according to our data. British Airways is the first choice among our users, with 50% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 28 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 17% 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 155 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

227 flights are operational daily from United States to United Kingdom as of March 2026. The most popular departure time for this route is 6:00PM, with 80% of flights per day taking off in the evening.

As of March 2026, there are 1,593 flights per week flying from United States to United Kingdom. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.