Flight tickets from London Heathrow to Houston

Compare London Heathrow to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from London Heathrow to Houston

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Houston? If you want to travel next month, return fares start from ₹ 70,517. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Houston flights are currently cheapest in May.

Direct flights from London Heathrow to Houston

London to Houston: Flight information

The things to know before you go.
Cheapest flight found₹ 38,860
Cheapest month to flyMay
Average flight time10 hrs, 29 mins
Most popular airlineAir Canada
Average flights per week192

Finding cheap flights from London Heathrow to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from London Heathrow to Houston is ₹ 70,517. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 29 minutes is the average flight time from London Heathrow to Houston.
Air Canada, Aer Lingus and Finnair fly direct from London Heathrow to Houston.
As of April 2026, there are 192 flights per week flying from London Heathrow to Houston.
The cheapest month to fly from London Heathrow to Houston is usually May.
If you're flying from London Heathrow Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from ₹ 70,517.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Houston on Thursday, 7 May 2026.
Yes – the average flight time is 10 hours and 29 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 20°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Air Canada and United offer the cheapest flight tickets to Houston.

Travelling from London Heathrow Airport (LHR) to Houston: what you need to know

  • The average duration of a direct flight from London Heathrow Airport to Houston is 9 hours 15 minutes.

  • The timezone in Houston is UTC-6. The city is six hours behind London, where London Heathrow Airport is located.

  • The most popular route is from London Heathrow Airport (LHR) to Houston George Bush Intercontinental Airport (IAH). You can choose from 27 weekly services between these two airports. If you'd like to head off as soon as possible, the earliest flight from LHR to IAH is the 09:20 British Airways service. If you're planning to fly out later on, the last departure is at 15:10 with British Airways.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your LHR to Houston flight.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during peak periods in general.

  • Begin your journey at LHR and fly nonstop to Houston George Bush Intercontinental Airport (IAH). That's where you can expect to land when searching for London Heathrow Airport to Houston tickets.

  • Take to the skies with United Airlines. This popular carrier offers direct flights from London Heathrow Airport to Houston.

  • Consider adding a stopover to potentially score a cheaper plane ticket from LHR to Houston. All you need to do is deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular options:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Toronto Pearson International Airport (YYZ)

  • The journey from central London to LHR takes around 25 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 26 kilometres in 45 minutes or so, depending on traffic.

  • Want an easy start to your holiday? Stay near LHR. Whether you're catching an early flight from London Heathrow Airport to Houston or don't want departure day to feel hectic, these hotels are a convenient choice:

  • Of the flights that depart from London Heathrow Airport, 78% touch down on time at their destination.

How to find the cheapest flights from London Heathrow Airport (LHR) to Houston

  • ₹ 38,860 is currently the best price for a one-way London Heathrow Airport to Houston flight. Return plane tickets start at ₹ 70,517. These fares can change based on availability.

  • To find cheap flights from LHR to Houston, book early. Airlines usually offer their most competitively priced fares when flights first go on sale.

  • Finding cheap tickets from London Heathrow Airport to Houston is easier if you can be flexible with your trip dates. Use the 'Whole month' function to get the lowest fares across every month and bag an epic deal.

  • There's no need to check every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even better deal on cheap flights from LHR to Houston.

  • Find an affordable flight from London Heathrow Airport to Houston with the help of our filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • Houston George Bush Intercontinental Airport (IAH) to the centre of Houston takes about 30 minutes by car. The centre is roughly 40 kilometres away.

  • When travelling by public transport, expect a journey time of around 1 hour 10 minutes.

  • If you're arriving on a late flight from London Heathrow Airport to Houston, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these hotels near IAH:

  • To lock in the lowest price, book your ride from Houston George Bush Intercontinental Airport about three weeks ahead of your flight from LHR to Houston.

  • IAH is located at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

  • The centre of Houston is located around 19 kilometres from Houston Hobby Airport (HOU). Once your flight from London Heathrow Airport to Houston has landed and you've made your way to arrivals, expect a drive of about 20 minutes.

  • If you choose to travel on public transport, you'll get to the city centre in 50 minutes or so.

  • Following your LHR to Houston flight, rest your head at a hotel close to HOU. These are some great options that'll help you slip into relaxation mode:

  • Get the lowest price by securing your ride from HOU four weeks ahead of time. You can also expect to have a wider selection of vehicles.

  • Houston Hobby Airport is located at 7800 Airport Boulevard.

Best time to go to Houston

  • January is the quietest month for flights from London Heathrow Airport to Houston, while July is the busiest. Find the ideal time to visit Houston based on whether you like a lively atmosphere or a more laid-back vibe.

  • Book a London Heathrow Airport to Houston plane ticket with a departure in August if you want to experience the city during its warmest month. You can expect temperatures to range from 24ºC to 40ºC.

  • For cooler conditions, search for a cheap ticket from LHR to Houston in January when temperatures average between 5ºC and 19ºC.

More about Houston

Explore more of the United States

  • San Antonio is just one of the many places in the United States waiting to be discovered once you've seen the sights of Houston. Around 306 kilometres away to the west, its top attractions include San Antonio River Walk, San Antonio River walk and Alamo Plaza.

  • Around 370 kilometres north of Houston, Dallas is another favourite stop in the United States. Start your sightseeing at Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.