Cheap Flights 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 Airport 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 Rs165,860. 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 March.

Direct flights from London Heathrow to Houston

London to Houston: Flight information

The things to know before you go.
Cheapest flight foundRs106,124
Cheapest month to flyMarch
Average flight time10 hrs, 31 mins
Most popular airlineAir Canada
Average flights per week214

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 Rs165,860. 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 31 minutes is the average flight time from London Heathrow to Houston.
Air Canada, Aer Lingus and American Airlines fly direct from London Heathrow to Houston.
As of February 2026, there are 214 flights per week flying from London Heathrow to Houston.
The cheapest month to fly from London Heathrow to Houston is usually March.
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 Rs165,860.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Houston on Sunday, 8 March 2026.
Yes – the average flight time is 10 hours and 31 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 February, the average temperature is usually around 13°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, Icelandair and Lufthansa offer the cheapest flight tickets to Houston.

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

  • Expect to be in the air for 9 hours 15 minutes. On average, that's the time it takes for a direct flight from London Heathrow Airport to Houston.

  • London Heathrow Airport is located in London. Following the UTC-5 timezone, Houston is five hours behind London.

  • The busiest route is from London Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH). There are 26 services every week between these two airports. If you want to get on your way as soon as possible, the earliest flight from LHR to IAH is the 09:20 British Airways service. If you'd rather fly out later on, the final departure is at 15:10 with British Airways.

  • For a relaxed start to your LHR to Houston flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Planning to travel during a peak time like school or public holidays? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • You can book a direct London Heathrow Airport to Houston ticket. Start your trip at LHR and touch down at George Bush Intercontinental Airport (IAH).

  • United Airlines is a well-known airline that operates direct flights from London Heathrow Airport to Houston.

  • Think about adding a stopover to potentially save on your flight ticket from LHR to Houston. Simply uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connection hubs:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Pearson International Airport (YYZ)

  • Located around 26 kilometres from central London, LHR can be reached in about 55 minutes by car. The journey on public transport takes roughly 1 hour.

  • Searching for a hotel near LHR? If you've booked an early flight from London Heathrow Airport to Houston, these stays will put you moments from check-in:

  • Of the flights that depart from London Heathrow Airport, 68.18% touch down on time at their destination.

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

  • Rs106,124 is currently the lowest price for a one-way London Heathrow Airport to Houston flight. A return flight ticket starts at Rs165,860. These prices can change depending on demand and availability.

  • To snag cheap flights from LHR to Houston, book your journey one month ahead of your planned departure.

  • May is the best month for nabbing an awesome deal on London Heathrow Airport to Houston tickets. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Stay on top of deals for cheap flights from LHR to Houston by creating a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from London Heathrow Airport to Houston by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) is roughly 19 kilometres from central Houston. Once you've hopped off your flight from London Heathrow Airport to Houston, it'll take you around 20 minutes to reach the heart of the city in a ride-share or cab.

  • You can expect the trip to take about 1 hour 40 minutes on public transport.

  • After stepping off your LHR to Houston flight, kick back at a hotel close to HOU. These are some comfortable options that'll help you slip into relaxation mode:

  • No need to worry about public transport schedules or slow-moving cab lines. Grab a William P. Hobby Airport rental car and take your journey in whatever direction you like. Check out the availability and rates from Easirent, Dollar and Thrifty.

  • Get what you want, not just what's left over. Booking your ride from HOU four weeks in advance often means better deals and a wider range of vehicles.

  • The address for William P. Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • Visit Houston during high season if you want a lively atmosphere, but remember that prices tend to be higher. Alternatively, book your flights from London Heathrow Airport to Houston in the low season when prices are cheaper and it's not as busy.

  • Before booking a London Heathrow Airport to Houston flight ticket, think about the kind of weather you prefer. August is the warmest month in Houston, with temperatures ranging from 24ºC to 40ºC.

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

More about Houston

Explore more of United States

  • You've done Houston, now it's time to discover more of United States. Journey about 306 kilometres west to San Antonio to tick off its top attractions. From The San Antonio River Walk to San Antonio Missions National Historical Park and San Fernando Cathedral, you'll have a full itinerary ahead.

  • Dallas is another favourite destination in United States and is around 370 kilometres north of Houston. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

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