Cheap Flights from Houston George Bush Intercntl. to London

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Compare Houston George Bush Intercntl. 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 George Bush Intercntl. to London

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to London? If you want to travel next month, return fares start from R 8,681. Find the lowest prices on one-way and return tickets right here.

London.R 3,317 per passenger.Departing Wed, 14 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 14 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 3,317, select.

London.R 3,425 per passenger.Departing Tue, 11 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 11 Aug, arriving in London Gatwick.Price includes taxes and charges.From R 3,425, select.

London.R 4,379 per passenger.Departing Wed, 11 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 11 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 4,379, select.

London.R 4,654 per passenger.Departing Sat, 25 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 25 Jul, arriving in London Gatwick.Price includes taxes and charges.From R 4,654, select.

London.R 4,751 per passenger.Departing Mon, 21 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 21 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 4,751, select.

London.R 5,727 per passenger.Departing Sat, 17 Apr.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Sat, 17 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,727, select.

London.R 5,797 per passenger.Departing Sun, 10 Jan.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Sun, 10 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,797, select.

London.R 5,837 per passenger.Departing Tue, 13 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Tue, 13 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 5,837, select.

London.R 5,838 per passenger.Departing Wed, 4 Nov.One-way flight with Finnair.Outbound direct flight with Finnair departs from Houston George Bush Intercntl. on Wed, 4 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 5,838, select.

London.R 5,842 per passenger.Departing Wed, 30 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Wed, 30 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 5,842, select.

London.R 5,842 per passenger.Departing Mon, 22 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Mon, 22 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 5,842, select.

London.R 5,844 per passenger.Departing Wed, 17 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Wed, 17 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,844, select.

London.R 5,844 per passenger.Departing Wed, 14 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Wed, 14 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,844, select.

London.R 5,848 per passenger.Departing Sun, 3 Jan.One-way flight with United.Outbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 3 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,848, select.

London.R 5,848 per passenger.Departing Tue, 4 May.One-way flight with British Airways.Outbound direct flight with British Airways departs from Houston George Bush Intercntl. on Tue, 4 May, arriving in London Heathrow.Price includes taxes and charges.From R 5,848, select.

London.R 8,291 per passenger.Departing Tue, 29 Sep.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Houston George Bush Intercntl. on Tue, 29 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 8,291, select.

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

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

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Direct flights from Houston George Bush Intercntl. to London

Alternative Houston George Bush Intercntl. to London routes

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

Houston to London: Flight information

The things to know before you go.

Cheapest flight found	R 3,317
Cheapest month to fly	October
Average flight time	9 hrs, 14 mins
Most popular airline	Aer Lingus
Average flights per week	176

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

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Houston George Bush Intercntl. to London?

The best price we found for a return flight from Houston George Bush Intercntl. to London is R 8,681. 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.

How long does it take to fly from Houston George Bush Intercntl. to London?

9 hours and 14 minutes is the average flight time from Houston George Bush Intercntl. to London.

Which airlines fly direct from Houston George Bush Intercntl. to London?

Aer Lingus, Finnair and American Airlines fly direct from Houston George Bush Intercntl. to London.

How many flights are there a week from Houston George Bush Intercntl. to London?

As of July 2026, there are 176 flights per week flying from Houston George Bush Intercntl. to London.

When is the cheapest time to fly from Houston George Bush Intercntl. to London?

The cheapest month to fly from Houston George Bush Intercntl. to London is usually August.

Which is the cheapest airport to fly into in London?

If you're flying from Houston George Bush Intercntl. Airport, 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 8,681.

Which upcoming date is cheapest to fly from Houston George Bush Intercntl. Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to London on Tuesday, 18 August 2026.

Can I get a direct flight from Houston George Bush Intercntl. Airport to London?

Yes – the average flight time is 9 hours and 14 minutes.

How can I get the best flight deal from Houston George Bush Intercntl. Airport to London?

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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In July, the average temperature is usually around 17°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.

Which is the cheapest airline to fly from Houston George Bush Intercntl. Airport to London with?

Currently, Frontier Airlines and British Airways offer the cheapest flight tickets to London.

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

Expect to be travelling for 10 hours 30 minutes. That's the average journey time for a direct flight from Houston George Bush Intercontinental Airport to London.
The timezone in London is UTC+0. The city is six hours ahead of Houston, where Houston George Bush Intercontinental Airport is located.
The most popular flight route is from Houston George Bush Intercontinental Airport (IAH) to London Heathrow Airport (LHR). There are 27 services between these airports every week.
For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your IAH to London flight.
Be prepared for longer lines in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you plenty of time for security and boarding.
You can book a direct Houston George Bush Intercontinental Airport to London ticket. Start your trip at IAH and touch down at London Heathrow Airport (LHR).
Pick from a variety of carriers operating direct flights from Houston George Bush Intercontinental Airport to London. Get on board with any of these:
A stopover is the ideal opportunity to take a break from travelling and maybe even visit a new city. When searching for plane tickets from IAH to London, uncheck the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Atlanta Hartsfield-Jackson International Airport (ATL)
- Amsterdam Schiphol Airport (AMS)
- Frankfurt Airport (FRA)
IAH is about 21 kilometres from central Houston. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 1 hour 10 minutes.
In search of a hotel near IAH? If you're boarding an early flight from Houston George Bush Intercontinental Airport to London, these stays set you up for a seamless send-off:
When it comes to Houston George Bush Intercontinental Airport's on-time performance, data shows 79% of flights meet their scheduled arrival time.
You'll find IAH at 16930 JFK Boulevard.

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

R 3,317 is the cheapest price we've found for a one-way Houston George Bush Intercontinental Airport to London flight. A return ticket right now is R 8,714. Depending on the availability and when you book, these fares can change.
To pick up cheap flights from IAH to London, reserve your trip three months before your planned departure.
The best month for scoring cheap Houston George Bush Intercontinental Airport to London tickets is August. Use the 'Whole month' tool to compare prices, then choose the dates offering the lowest fares.
Snapping up a cheap flight from IAH to London is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll notify you as soon as a cheaper option becomes available.
Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Houston George Bush Intercontinental Airport to London.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to the centre of London takes about 45 minutes by car. The centre is roughly 24 kilometres away.
If you're travelling by public transport, expect a journey time of about 25 minutes.
The last thing you need is a long journey to your hotel if you're arriving on a late flight from Houston George Bush Intercontinental Airport to London. Stay at one of these accommodation options near LHR instead:
Booking your vehicle from London Heathrow Airport around one week ahead of your flight from IAH to London can help you lock in the lowest rate.

London Gatwick Airport (LGW)

Once your flight from Houston George Bush Intercontinental Airport to London has landed, you can make your way to the city centre in around 1 hour 5 minutes by car. Central London is roughly 48 kilometres from London Gatwick Airport (LGW).
If you choose to travel on public transport, you'll get to the city centre in 1 hour 20 minutes or so.
You'll find some great places to call home for the night near LGW. Unwind and get cosy after your IAH to London flight at any of these perfectly located options:
Avoid paying more than you need to. Securing your ride three weeks ahead of your arrival at LGW can get you a lower rate.

London Stansted Airport (STN)

Step off your flight from Houston George Bush Intercontinental Airport to London and head for your hotel or start exploring right away. Central London is around 56 kilometres from London Stansted Airport (STN) and typically takes 1 hour 5 minutes to reach by car.
Public transport can get you there in around 45 minutes.
Enjoy a more leisurely start to your trip by staying at a hotel near STN after your IAH to London flight. Rest up after a long day of travel or simply take a moment to get your bearings in a new destination at:
About four weeks before your flight from Houston George Bush Intercontinental Airport to London is a good time to secure your vehicle from STN. You're more likely to get a better rate or pick up some early bird promotions.

Best time to go to London

January is the quietest month for flights from Houston George Bush Intercontinental Airport to London, while July is the busiest. Find the ideal time to go to London based on whether you like a lively atmosphere or a more laid-back vibe.
Book a Houston George Bush Intercontinental Airport to London plane ticket with a departure in July if you want to visit the city during its warmest month. Expect temperatures to range from 11ºC (52ºF) to 26ºC (79ºF).
Search for cheap tickets from IAH to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

After booking your flight from Houston George Bush Intercontinental Airport to London, find a hotel that offers both comfort and a great location. Make one of these accommodation options your base for exploring London:
There are so many things to do and see in this city it can be tricky to know where to start. Westminster Abbey, The British Museum and Big Ben are leading attractions which should be on any good London itinerary.

Explore more of the United Kingdom

You've done London, now it's time to discover other parts of the United Kingdom. Travel around 257 kilometres northwest to Manchester to check off its popular sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a packed itinerary ahead.
If you want to check out another major destination in the United Kingdom, head for Birmingham, roughly 161 kilometres northwest of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among its highlights.