Cheap Flights from Houston George Bush Intercntl. (IAH) to London Heathrow (LHR)

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Flight deals from Houston George Bush Intercntl. to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Houston George Bush Intercntl. to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.

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

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 Heathrow flights are currently cheapest in February.

Direct flights from Houston George Bush Intercntl. to London Heathrow

Houston George Bush Intercntl. to London Heathrow: Alternative routes

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

Houston to London: Flight information

The things to know before you go.
Cheapest flight found$631
Cheapest month to flyFebruary
Average flight time9 hrs, 10 mins
Most popular airlineIberia
Average flights per week160

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

The best price we found for a round-trip flight from Houston George Bush Intercntl. to London Heathrow is $631. 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 10 minutes is the average flight time from Houston George Bush Intercntl. to London Heathrow.
Iberia, Air Canada and SWISS fly direct from Houston George Bush Intercntl. to London Heathrow.
There are 163 flights per week flying from Houston George Bush Intercntl. to London Heathrow, as of May 2024.
The cheapest month to fly from Houston George Bush Intercntl. to London Heathrow is usually February.
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 Heathrow Airport on Monday, February 10, 2025.
Yes – the average flight time is 9 hours and 10 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 Heathrow 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 Heathrow is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada and Iberia offer the cheapest flight tickets to London Heathrow.

Fly from Houston George Bush Intercontinental Airport to London Heathrow Airport

Travelers can take flights from Houston to London to experience a vibrant, multicultural city filled to the brim with historical monuments and modern attractions. Flights from Houston to London take approximately 9 hours, and you can choose from several major carriers, including American Airlines and British Airways. In the birthplace of the English language, you can take in theater performances, view Gothic cathedrals, and shop at fine retailers.

Facilities at London Heathrow Airport

With five terminals, London Heathrow Airport (LHR) is one of the world’s largest and busiest airports. Delta Air Lines and Air India service this airport. There are several ways to get to Central London from Heathrow, and one of the speediest is to take a train called the Heathrow Express. You can save time by purchasing your Heathrow Express tickets before you land on your flight from Houston to London. At the same time, you can also preorder currency and shop for items that can be picked up once you arrive at the airport after traveling from Houston to London. Heathrow has free Wi-Fi, so you can book last-minute hotel accommodations or touch base with friends and family.

Things to Do Near London Heathrow Airport

A quick glance at the meandering streets on a map of London and you’ll realize that the city cannot be seen in one day. Begin your journey at Big Ben, where you can stroll along the River Thames and walk to Westminster Abbey. Many of London’s world-famous museums and galleries are free to the public, including the British Museum and the National Gallery. When you’ve had your fill of priceless artifacts and historical monuments, you can take in the many shopping destinations, like Harrods and Covent Garden Market. No trip to London is complete without a pint and some “pub grub” at one of the many historical pubs, like the George Inn, founded in the 1600s. Outside of the many pubs and shops, you’ll find abundant natural beauty in the expansive city parks, like Hyde Park and Regent’s Park.

Hints and Tips for London Heathrow Airport

If you want to see the Changing of the Guard outside Buckingham Palace, you’ll need to arrive before the ceremony commences at 11:00 a.m. Barring bad weather, Changing the Guard takes place every day from April to July and every other day from August to March. London’s rainiest months are October and November, and the city has relatively mild temperatures all year round. Picking up a “London A to Z” street map as soon as you arrive is essential if you don’t want to get lost. It’s also a good idea to obtain an Oyster Travelcard that can be used on buses and London Underground trains. Paying for a weekly travel pass is also a popular option. Pub meals typically cost about $30 for two people.


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