Cheap flights from London to Houston from €554

The month of January is, on average, the cheapest month to fly to Houston from London, with most prices found around €812. If you are unable to visit Houston during the month of January, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around €851.

At midday is the cheapest time of day to fly from London to Houston when you can find flight prices for as low as €876. Flying to Houston at midday is an ideal time because this is during off-peak travel hours. Flights to Houston are more costly in the morning, with an average ticket price of €887. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Houston from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around €1,017 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 for as low as €831 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 154 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.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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.

As of November 2026, 19 flights take off from London and land in Houston each day. The most common flight departure time for this route is 10:00, with 50% of daily flights taking off at midday.

The number of flights available between London and Houston is 134 per week as of November 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.