350 € Cheap Flights from London (LOND) to Houston George Bush Intercntl. (IAH)

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Flight deals from London to Houston George Bush Intercntl. Airport

Looking for a cheap last-minute deal or the best return flight from London to Houston George Bush Intercntl. Airport? If you want to travel next month, return fares start from 419 €. Find the lowest prices on one-way and return 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 January.

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 found350 €
Cheapest month to flyJanuary
Average flight time10 hrs, 30 mins
Most popular airlineAir Canada
Average flights per week154

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

The best price we found for a return flight from London to Houston George Bush Intercntl. is 350 €. 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 30 minutes is the average flight time from London to Houston George Bush Intercntl..
Air Canada, SWISS and Lufthansa fly direct from London to Houston George Bush Intercntl..
As of November 2025, there are 154 flights per week flying from London to Houston George Bush Intercntl..
The cheapest month to fly from London to Houston George Bush Intercntl. is usually January.
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 Thursday, 29 January 2026.
Yes – the average flight time is 10 hours and 30 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.

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

  • London has plenty of airports to take off from. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when planning your flight from London to George Bush Intercontinental Airport (IAH). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.

  • Jump on a direct London to George Bush Intercontinental Airport flight and you'll be in the air for around 10 hours 30 minutes.

  • Houston is five hours behind London. George Bush Intercontinental Airport is located in Houston, which runs on the UTC-5 timezone.

  • The most popular route is from London Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH), with 26 direct weekly services. If you want to be on your way right away, the earliest flight from LHR to IAH is the 9:20am British Airways option. If you prefer to leave later in the day, the final departure is at 3:10pm with British Airways.

  • Get to the airport on time so you don't miss your flight from London to IAH. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Delays at check-in and security are more likely if you're travelling during high season, so allow some extra wiggle room. The recommendation for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

Airports in London

London Heathrow Airport (LHR)

  • Fly without interruptions from London Heathrow Airport (LHR). Direct flights from London to George Bush Intercontinental Airport (IAH) operate from here.

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

  • United Airlines is the airline with the highest passenger demand for flights from LHR to IAH.

  • The most punctual carrier on this route is British Airways. Its services arrive as scheduled 70.3% of the time.

  • We make it a breeze to find cheap flights from London to IAH with a stopover. To explore all the options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Next, choose a flight that has a stop long enough to tour your chosen city. Top stopovers between LHR and IAH include:

    • Charlotte Douglas International Airport (CLT)

    • Pearson International Airport (YYZ)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • The journey from central London to LHR takes about 1 hour on public transport. If you drive, ride-share or take a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your trip? Stay near London Heathrow Airport. Whether you've booked an early flight from London to George Bush Intercontinental Airport or just don't want to be rushed, these hotels are just what you're after:

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights arrive within the expected time frame.

London Gatwick Airport (LGW)

  • Check a new destination off your list or just take a moment to recharge with a stopover. If you'd like to split up your flight from London to George Bush Intercontinental Airport, browse these options when heading out from London Gatwick Airport:

    • Amsterdam Airport Schiphol (AMS)

    • Cancun International Airport (CUN)

    • Tampa International Airport (TPA)

  • With public transport, you can travel from central London to LGW in around 30 minutes. The airport is roughly 80 kilometres away, and making the journey by car will take approximately 1 hour 20 minutes.

  • Get your holiday started early with an extra night away from home. Before catching your London to IAH flight, unwind in one of these hotels close to London Gatwick Airport:

  • London Gatwick Airport has an on-time performance of 69.26%. This figure sheds light on how often flights that leave from this airport arrive at their destination on time.

Stansted Airport (STN)

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

  • The journey time to STN from central London is around 1 hour 25 minutes on public transport. If you're in a car, it'll take you about 1 hour to cover the 64 kilometres or so.

  • Rest a little longer, move a little slower, and still make your London to George Bush Intercontinental Airport flight with plenty of time to spare. These hotels near Stansted Airport make it a breeze to get to the terminal if you're jetting off early:

  • Flights that leave from STN arrive at their destination within the scheduled time frame 64.73% of the time.

About George Bush Intercontinental Airport (IAH)

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

  • George Bush Intercontinental Airport is roughly 21 kilometres from central Houston. How long it takes to get there by cab or car hire depends on the time of day. Do a little research before you go.

  • Travelling by public transport takes around 50 minutes.

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

  • 205 € is the lowest price for a one-way ticket from London to George Bush Intercontinental Airport. A return flight starts at 350 €. These prices may change depending on availability and demand.

  • Booking ahead of time is often the key to scoring a cheap flight from London to IAH. Fares tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • If you have some flexibility with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your London to George Bush Intercontinental Airport ticket.

  • Finding a cheap plane ticket from London to IAH is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a better deal is available.

  • Bag the best deal on a flight from London to George Bush Intercontinental Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

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

  • Think about the kind of experience you want when deciding when to fly. February is the quietest month to visit Houston. July is when most people book flights from London to George Bush Intercontinental Airport (IAH), which may be perfect if you're chasing more action.

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

  • January has temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from London to George Bush Intercontinental Airport around that time if you want to travel in cooler conditions.

More about Houston

Explore more of the United States

  • Austin is just one of the many places in the United States waiting to be discovered once you've seen the sights of Houston. Around 241 kilometres away to the west, check out popular attractions including Texas State Capitol, Central Park and Austin Museum of Art, Downtown.

  • Corpus Christi is another well-known destination in the United States and is around 306 kilometres south-west of Houston. No journey is complete without experiencing Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral.

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