Cheap flights from Houston to the United Kingdom from $509

In general, January is the cheapest month to fly from Houston to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $362. If you aren’t able to travel to United Kingdom during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $471.

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Houston to United Kingdom in the afternoon for as low as $964. 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 $1,004. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $855 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Houston for as low as $785 on momondo.

Lufthansa, ITA Airways, and Delta are the most popular carriers operating from Houston to United Kingdom

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to United Kingdom from Houston according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 14 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 22% of flights between Houston and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 148 minutes.

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

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

As of June 2026, there are 21 flights per day flying from Houston to United Kingdom. The most common time of day flights depart is 9:00PM, with 59% of flights taking off in the evening.

As of June 2026, there are 149 flights per week flying from Houston to United Kingdom. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.