Cheap flights from London to Houston from £420

In general, April is the cheapest month to fly from London to Houston George Bush Intcntl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £48. If you aren’t able to travel to Houston George Bush Intcntl Airport during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of £81.

Our data shows that Thursday is the least expensive day to fly to Houston George Bush Intcntl Airport. Tickets to fly out on this day can be as low as £757. The most expensive day to fly to Houston George Bush Intcntl Airport is Sunday, with ticket prices averaging around £795.

Our data shows that the cheapest London to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as £734. Try not to purchase tickets at midday because they tend to be around £787. 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 £815 when searching weeks before you fly. 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 £704 on momondo.

There are 4 cabin classes available to choose from on London to Houston George Bush Intcntl Airport 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 28% on your flight if you consider stops on a London to Houston George Bush Intcntl Airport flight.

As of June 2026, prices for London to Houston George Bush Intcntl Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

JetBlue, TAP AIR PORTUGAL, and Lufthansa are the most popular carriers operating from London to Houston George Bush Intcntl

British Airways, Lufthansa and JetBlue 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 49% of people opting to fly with this airline when travelling to Houston George Bush Intcntl Airport. Keep in mind that there are 14 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 14% 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 departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Boston (BOS) was the most common stop: 41% of momondo users choosing one-stop flights on this route connected there.

Flights via New York (JFK) offer the lowest average return price of £526.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 14h 13m.

Istanbul (IST) has the shortest average stopover time for this route: 1h 48m.

18 flights are operational daily from London to Houston George Bush Intcntl Airport as of June 2026. The most popular departure time for this route is 13:00, with 53% of flights per day taking off at midday.

The number of flights available between London and Houston George Bush Intcntl Airport is 127 per week as of June 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.