Cheap Flights from London to Houston George Bush Intercntl.

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Flight deals from London to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best round-trip flight from London to Houston George Bush Intercntl. Airport? If you want to travel next month, round-trip fares start from AED 2,920. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from London to Houston George Bush Intercntl.

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

Direct flights from London to Houston George Bush Intercntl.

London to Houston George Bush Intercntl.: Alternative routes

Compare routes from London to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

London to Houston: Flight information

The things to know before you go.
Cheapest flight foundAED 1,299
Cheapest month to flySeptember
Average flight time10 hrs, 31 mins
Most popular airlineAir Canada
Average flights per week204

Finding cheap flights from London to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a round-trip flight from London to Houston George Bush Intercntl. is AED 2,442. 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 to Houston George Bush Intercntl..
Air Canada, British Airways and Aer Lingus fly direct from London to Houston George Bush Intercntl..
There are 204 flights per week flying from London to Houston George Bush Intercntl., as of May 2026.
The cheapest month to fly from London to Houston George Bush Intercntl. is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Houston George Bush Intercntl. Airport on Tuesday, September 1, 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 George Bush Intercntl. 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.

Traveling from London to Houston George Bush Intercontinental Airport (IAH): What you need to know

  • Planning your vacation begins with working out where you'll leave from in London. London Heathrow Airport (LHR) is the city's main base, so explore your options for reserving a flight from London to Houston George Bush Intercontinental Airport (IAH) leaving from here.

  • Hop on a direct London to Houston George Bush Intercontinental Airport flight and you'll be in the air for an average of 10 hours 30 minutes.

  • Houston is six hours behind London. Houston George Bush Intercontinental Airport is located in Houston, which runs on the UTC-6 timezone.

  • With 27 direct weekly flights between the two airports, London Heathrow Airport (LHR) to Houston George Bush Intercontinental Airport (IAH) is the busiest route. British Airways operates the earliest flight at 9:20am. If you'd like to get more out of your day before jetting off, the last flight from LHR to IAH is with British Airways at 3:10pm.

  • To ensure you get on your flight from London to IAH, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, it's a good idea to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during a peak period in general.

Airports in London

London Heathrow Airport (LHR)

  • You can take a direct flight from London to Houston George Bush Intercontinental Airport (IAH) out of London Heathrow Airport (LHR).

  • When leaving from LHR, you can catch a direct flight from London to Houston George Bush Intercontinental Airport with United Airlines.

  • The majority of passengers choose to fly with United between LHR and IAH.

  • United is the most consistent performer for punctuality on this route.

  • A stopover is the perfect opportunity to break up your journey and perhaps even tour another city. When browsing cheap flights from London to IAH leaving from London Heathrow Airport (LHR), uncheck the 'Direct flights only' box to find all potential stops. Your journey might pause in:

    • Charlotte Douglas International Airport (CLT)

    • Toronto Pearson International Airport (YYZ)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • Traveling from central London to LHR takes about 25 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 24 kilometers in 45 minutes or so, depending on traffic.

  • Catching an early flight from London to Houston George Bush Intercontinental Airport? Avoid rushing to the terminal (and get some bonus sleep) by picking one of these hotels close to London Heathrow Airport:

  • 78% of flights that take off from London Heathrow Airport land at their destination on time.

London Gatwick Airport (LGW)

  • Tick a new place off your list or just take some time to unwind with a stopover. If you'd like to break up your flight from London to Houston George Bush Intercontinental Airport, check out these options when taking off from London Gatwick Airport:

    • Amsterdam Schiphol Airport (AMS)

    • Cancun International Airport (CUN)

    • Tampa International Airport (TPA)

  • LGW is around 48 kilometers from central London. It'll take you 1 hour 5 minutes or so to get to the airport by car from the city center. Public transport takes approximately 1 hour 20 minutes.

  • Want to treat yourself to an extra night away before your London to IAH flight? Unwind in a hotel near London Gatwick Airport before your trip officially starts. These stays have a room with your name on it:

  • Flights from London Gatwick Airport have a strong track record for punctuality, with 82% of them landing as expected.

London Stansted Airport (STN)

  • Whether just for an hour or a handful of days, a stopover can make your whole trip feel a little more stress-free. When jetting out of London Stansted Airport (STN), you can book a plane ticket from London to Houston George Bush Intercontinental Airport (IAH) with a stop at Amsterdam Schiphol Airport (AMS).

  • From the center of London, STN is around 56 kilometers away. It takes roughly 1 hour 5 minutes to arrive by car and 45 minutes or so on public transport.

  • Make catching an early London to Houston George Bush Intercontinental Airport flight one of the easiest parts of your trip. Stay at one of these hotels near London Stansted Airport and get to your boarding gate with plenty of time to spare:

  • STN has an on-time performance rate of 80%. This means most of its flights arrive at their destination as expected and your travel plans stay on track.

About Houston George Bush Intercontinental Airport (IAH)

Getting from Houston George Bush Intercontinental Airport (IAH) to central Houston

  • From Houston George Bush Intercontinental Airport, central Houston is around 40 kilometers away. It takes about 30 minutes to get to the city center by car.

  • Traveling by public transport takes about 1 hour 10 minutes.

How to find the cheapest flights from London to Houston George Bush Intercontinental Airport (IAH)

  • The lowest price we've found for a one-way ticket from London to Houston George Bush Intercontinental Airport is AED 1,299. For a return flight on this route, the best price is AED 2,442. Depending on when you want to go and the availability, these fares can change.

  • To find cheap flights from London to IAH, book in advance. Airlines tend to offer lower fares when flights are first released.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll give you the lowest price across the month when searching for your London to Houston George Bush Intercontinental Airport ticket.

  • Never miss a deal on plane tickets from London to IAH by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Filters make it easier to find a bargain for your flight from London to Houston George Bush Intercontinental Airport. Choose the airlines, flight times and stops that match your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from London to Houston George Bush Intercontinental Airport (IAH)

  • Picture the kind of break you want when planning the timing of your trip. January is the quietest month to visit Houston. July is when most people book flights from London to Houston George Bush Intercontinental Airport (IAH), which may be perfect if you'd rather travel when it's busy.

  • Lock in a London to IAH plane ticket departing in August if you're eager to experience the city during its warmest month. You can expect temperatures in Houston to range from 24ºC (75ºF) to 40ºC (104ºF).

  • Look for cheap tickets from London to Houston George Bush Intercontinental Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Houston right here. Browse these options once you've locked in your flight from London to Houston George Bush Intercontinental Airport:

  • There are so many things to see and do in this city, it can be difficult to know where to begin. The Museum of Fine Arts, Houston, Beck Building, Houston Museum of Natural Science and The Menil Collection are major attractions which should feature on any good Houston itinerary.

Explore more of the United States

  • You've visited Houston, now it's time to explore other parts of the United States. Journey around 241 kilometers west to Austin to check off its top sights. From Texas State Capitol to Austin Museum of Art, Downtown and 360 Bridge, there's plenty to keep you busy.

  • Corpus Christi is another favorite destination in the United States and is around 306 kilometers southwest of Houston. No journey is complete without experiencing USS LEXINGTON, Texas State Aquarium and Bayfront Park.

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