$332 Find Cheap Flights from Houston to London Heathrow Airport - Compare and Save

The cheapest return flight from Houston to London Heathrow Airport costs $810 on the route between Houston George Bush Intcntl Airport (IAH) and London Heathrow Airport (LHR). It is also the most popular route.

For Houston to London Heathrow Airport, Wednesday is the cheapest day to fly on average and Friday is the most expensive. Flying from London Heathrow Airport back to Houston, the best deals are generally found on Sunday, with Tuesday being the most expensive.

The cheapest month for flights from Houston to London Heathrow Airport is October, where tickets cost $693 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,389 and $1,228 respectively.

To get a below average price on the flight from Houston to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 15% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Houston to London Heathrow Airport were found on Virgin Atlantic ($823) and Finnair ($834).

There are 8 airlines that fly nonstop from Houston to London Heathrow Airport. They are: American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Lufthansa and United Airlines. The cheapest price of all airlines flying this route was found with Lufthansa at $384 for a round-trip flight. On average, the best prices for this route can be found at Iberia.

Weekly flights between Houston and London historically see delays in approximately 22% of cases, with the average delay over the past year being 146 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Based on our data, British Airways have experienced the fewest delays on this route in the past 12 months, with only about 16% of their flights encountering any delays.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 nonstop flights that take off from Houston and land in London Heathrow Airport, with an average flight time of 9h 17m. The most common departure time is 4:00 pm and most flights take off in the evening. Each week, there are 26 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.