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Cheap Flights from Houston to London

Compare Houston to London flight deals

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

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Flight deals from Houston to London

Looking for a cheap last-minute deal or the best return flight from Houston to London? If you want to travel next month, return fares start from R 10,964. Find the lowest prices on one-way and return tickets right here.
London.R 4,630 per passenger.Departing Wed, 25 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 25 Mar, arriving in London Gatwick.Price includes taxes and charges.From R 4,630, select.
London.R 4,647 per passenger.Departing Wed, 5 Aug.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Wed, 5 Aug, arriving in London Gatwick.Price includes taxes and charges.From R 4,647, select.
London.R 4,904 per passenger.Departing Tue, 21 Apr.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Tue, 21 Apr, arriving in London Stansted.Price includes taxes and charges.From R 4,904, select.
London.R 5,036 per passenger.Departing Tue, 21 Jul.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Tue, 21 Jul, arriving in London Gatwick.Price includes taxes and charges.From R 5,036, select.
London.R 5,231 per passenger.Departing Mon, 4 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 4 May, arriving in London Stansted.Price includes taxes and charges.From R 5,231, select.
London.R 6,120 per passenger.Departing Mon, 12 Oct.One-way flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from Houston George Bush Intercntl. on Mon, 12 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 6,120, select.
London.R 6,313 per passenger.Departing Sat, 5 Sep.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Sat, 5 Sep, arriving in London Gatwick.Price includes taxes and charges.From R 6,313, select.
London.R 6,428 per passenger.Departing Mon, 2 Nov.One-way flight with ITA Airways.Outbound indirect flight with ITA Airways, departs from Houston George Bush Intercntl. on Mon, 2 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 6,428, select.
London.R 6,657 per passenger.Departing Tue, 1 Dec.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Houston George Bush Intercntl. on Tue, 1 Dec, arriving in London Luton.Price includes taxes and charges.From R 6,657, select.
London.R 6,671 per passenger.Departing Mon, 18 Jan.One-way flight with Air France.Outbound indirect flight with Air France, departs from Houston George Bush Intercntl. on Mon, 18 Jan, arriving in London Stansted.Price includes taxes and charges.From R 6,671, select.
London.R 6,715 per passenger.Departing Sat, 13 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Houston George Bush Intercntl. on Sat, 13 Jun, arriving in London Stansted.Price includes taxes and charges.From R 6,715, select.
London.R 7,139 per passenger.Departing Mon, 1 Feb.One-way flight with ITA Airways.Outbound indirect flight with ITA Airways, departs from Houston George Bush Intercntl. on Mon, 1 Feb, arriving in London Stansted.Price includes taxes and charges.From R 7,139, select.
London.R 8,015 per passenger.Departing Mon, 15 Mar.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Houston George Bush Intercntl. on Mon, 15 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 8,015, select.
London.R 8,269 per passenger.Departing Sun, 19 Jul.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 19 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 8,269, select.
London.R 8,292 per passenger.Departing Sun, 20 Sep.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 20 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 8,292, select.
London.R 8,308 per passenger.Departing Tue, 13 Oct.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 13 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 8,308, select.

Find the cheapest month to fly from Houston to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to London flights are currently cheapest in March.
Mar
from R 4,630
Apr
from R 4,904
May
from R 5,231
Jun
from R 6,715
Jul
from R 5,036
Aug
from R 4,647
Sep
from R 6,313
Oct
from R 6,120
Nov
from R 6,428
Dec
from R 6,657
Jan
from R 6,671
Feb
from R 7,139

Direct flights from Houston to London

Alternative Houston to London routes

Looking for the cheapest, fastest or easiest route from Houston to London? You could fly into the following airports instead.

London City

12km from central London
Closest
from R 7,208
Search flights

London Heathrow

23km from central London
from R 5,308
Search flights

London Gatwick

40km from central London
Cheapest
from R 4,630
Search flights

London Luton

45km from central London
from R 5,574
Search flights

London Stansted

49km from central London
from R 4,904
Search flights

London Southend

57km from central London
from R 5,916
Search flights

Houston to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,630
Cheapest month to flyMarch
Average flight time9 hrs, 13 mins
Most popular airlineAir Canada
Average flights per week296

Check out these London hotels

Ready to plan your stay? Other travellers rate these London hotels for cleanliness, service and location.
47 Park Street - Grand Residences by Marriott
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1.72 km from city centre
R 5 448
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Vintry and Mercer
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R 4 627
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47 Park Street - Grand Residences by Marriott
1.89 km from city centre
R 14 339
Per night
The July - London Victoria
1.72 km from city centre
R 5 448
Per night
Vintry and Mercer
2.39 km from city centre
R 4 627
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Finding cheap flights from Houston to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Houston to London is R 10,964. 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.
9 hours and 13 minutes is the average flight time from Houston to London.
Air Canada, United and SWISS fly direct from Houston to London.
As of March 2026, there are 296 flights per week flying from Houston to London.
The cheapest month to fly from Houston to London is usually April.
If you're flying from Houston, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from R 10,964.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to London on Wednesday, 1 April 2026.
Yes – the average flight time is 9 hours and 13 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
The cheapest airline that flies to London is Frontier Airlines. And the cheapest airline that flies to London Heathrow Airport is Iberia.

Travelling from Houston to London: what you need to know

  • There are a couple of main airports you can take off from in Houston. Check out your options departing from George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) when planning your flight from Houston to London.

  • London has numerous airports you can jet into. Land at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). Alternatively, arrive at London Luton Airport (LTN) or London City Airport (LCY).

  • Book a direct Houston to London flight and you'll be flying for an average of 9 hours 15 minutes.

  • The timezone in London is UTC+0, which is five hours ahead of Houston.

  • George Bush Intercontinental Airport (IAH) to London Heathrow Airport (LHR) is the most traveled route between these two cities. There are 26 weekly flights to choose from. If you have things to do before heading off, the last flight from Houston to London is with British Airways at 23:25. Choose the first IAH to LHR departure operated by British Airways at 15:20 to fit in more activities on your first day in London.

  • Leave plenty of time to make your Houston to London flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

How to find the cheapest flights from Houston to London

  • Book five months before you want to travel. Research into pricing trends suggests this is the ideal window for finding cheap Houston to London flights.

  • August is the best month for scoring an awesome deal on a plane ticket from Houston to London. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Snapping up a cheap flight from Houston to London is easy with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as the price has dropped.

  • Find an affordable Houston to London flight with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • If you're looking for a direct flight from Houston to London, you can leave from George Bush Intercontinental Airport (IAH). Travel from IAH to London Heathrow Airport (LHR) without making any stops.

  • Be on the lookout for promotions with United Airlines. This carrier offers direct Houston to London plane tickets from IAH.

  • We make it easy to find a Houston to London flight with a stopover. To see your options leaving from George Bush Intercontinental Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to see the sights of the city of your choice. Top stopovers include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • IAH is about 21 kilometres from central Houston. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 50 minutes.

  • Want a leisurely start to your holiday? Stay near George Bush Intercontinental Airport. Whether you're catching an early flight from Houston to London or just don't like being rushed, these hotels have you covered:

  • When it comes to the on-time performance of George Bush Intercontinental Airport, 78.42% of flights arrive within the scheduled time frame.

  • You'll find IAH at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Split up your Houston to London flight with a stop so you can stretch your legs or perhaps go somewhere you've never been before. Popular stopovers between William P. Hobby Airport and London include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

    • Orlando International Airport (MCO)

  • With public transport, you can travel from central Houston to HOU in around 1 hour 40 minutes. The terminal is roughly 16 kilometres away. Driving will take you about 20 minutes.

  • Start your holiday early with an additional night away from home. Before catching your flight from Houston to London, kick back in one of these hotels near William P. Hobby Airport:

  • Most flights that depart William P. Hobby Airport get to their destination within the expected time frame. It maintains a strong on-time performance rate of 81%.

  • HOU is located at 7800 Airport Boulevard.

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes about 55 minutes by car. The centre is roughly 23 kilometres away.

  • Getting to the centre by public transport will take you around 1 hour.

  • Consider staying in a hotel near LHR if you're coming in on a late flight from Houston to London. Select one of these accommodation options and skip the long transfer:

  • Fast-track your adventure by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.

  • Booking your ride from London Heathrow Airport around one week ahead can help you get the lowest rate.

London Gatwick Airport (LGW)

  • Central London is around 40 kilometres from London Gatwick Airport (LGW). As soon as your flight from Houston to London has landed and you've made your way through the terminal, the drive should be around 1 hour 20 minutes.

  • Travelling by public transport will take approximately 30 minutes.

  • Hang up the 'Do not disturb' sign and rest at a hotel near LGW. Here are a few options where you can put your feet up after your flight from Houston to London:

  • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car quick and easy. These companies are located around or in the terminal and will get you on your way in no time.

  • Don't pay more than you need to. Booking your ride three weeks ahead of your arrival at LGW will save you money.

Stansted Airport (STN)

  • Travel to the centre after your flight from Houston to London has touched down. Central London is around 48 kilometres from Stansted Airport (STN) and takes roughly 1 hour to reach by car.

  • If you use public transport, the journey will take you around 1 hour 25 minutes.

  • Find a hotel close to STN and go from landing to lounging in your room in a flash. Whether you have a late Houston to London flight or just want to keep your travel plans simple, these stays put comfort right within reach:

  • Whether you're after a zippy mini for a solo adventure or an SUV to move the whole family, you'll find the right Stansted Airport rental car for your needs. Explore wheels available here from companies such as Green Motion, Drivalia and Europcar.

  • Around four weeks ahead of your flight from Houston to London is the ideal time to secure your vehicle from STN. You're likely to snag a better deal or get access to early bird discounts.

Best time to go to London

  • July is the busiest month for flights from Houston to London. To escape the crowds, go to London in February.

  • Lock in a Houston to London ticket departing in July if you want to experience the city during its warmest month. Expect temperatures in London to range from 11ºC (52ºF) to 26ºC (79ºF).

  • For cooler conditions, search for a cheap flight from Houston to London in January when temperatures average between 0ºC (32ºF) and 9ºC (48ºF).

More about London

  • Start your London trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Houston to London, explore our range of accommodation options including:

  • Big Ben and The British Museum are just two of the major attractions to add to your London itinerary. Keep the momentum going by heading to Buckingham Palace.

Explore more of United Kingdom

  • You've seen London, now it's time to explore other corners of United Kingdom. Travel about 161 kilometres north-west to Birmingham to check off its must-visit sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.

  • Bristol is another favourite destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without a visit to Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Houston to London

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