Cheap flights from London Heathrow Airport to Houston from $745

If you aren’t able to travel to Houston during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $151.

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

You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $1,422 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as $1,237 on momondo.

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 153 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 11% of their flights experiencing any sort of delay.

17 flights are operational daily from London Heathrow Airport to Houston as of May 2026. The most popular departure time for this route is 10:00, with 53% of flights per day taking off at midday.

123 flights are operational weekly from London Heathrow Airport to Houston as of May 2026. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.