Cheap flights from London to Houston from $454

The month of January is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from London, with most prices found around $841. If you are unable to visit Houston George Bush Intcntl Airport during the month of January, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $901.

The cheapest day to depart from London to Houston George Bush Intcntl Airport is on a Sunday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Sunday will often find tickets for as low as $912. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $1,065.

Our data shows that the cheapest London to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $943. Try not to purchase tickets in the morning because they tend to be around $1,011. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from London for as low as $917 on momondo.

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

You could potentially save up to 44% on your flight if you consider stops on a London to Houston George Bush Intcntl Airport flight.

As of March 2026, prices for London to Houston George Bush Intcntl Airport flights are approximately 26% more expensive when compared to flights at the same time last year.

SWISS, Lufthansa, and Austrian Airlines are the most popular carriers operating from London to Houston George Bush Intcntl

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from London according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 4 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between London and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 152 minutes.

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

According to our data, United Airlines 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.

Istanbul (IST) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $830.

Flights connecting via Boston (BOS) have the shortest average one-way travel time: 14h 31m.

Boston (BOS) has the shortest average layover time for this route: 1h 26m.

As of March 2026, there are 15 flights per day flying from London to Houston George Bush Intcntl Airport. The most common time of day flights depart is 12:00PM, with 53% of flights taking off at noon.

107 flights are operational weekly from London to Houston George Bush Intcntl Airport as of March 2026. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.