$378 Cheap Flights from Houston (IAH) to London (LHR)

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Cheap Flights from Houston to London (IAH-LHR)

Prices were available within the past 7 days and start at $378 for one-way flights and $540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
British Airways
American Airlines
Air France
Air Canada
Swiss International Air Lines
Flights from Houston (IAH) to London (LHR)
Origin airport
George Bush Intercontinental
Destination airport
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Condor, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Roundtrip price
4823 mi
Average flight time
15 hours 11 mins

Houston to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Houston to London offer the perfect respite. Not only does exploring London provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Houston to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from IAH to LHR today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of London are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to London more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is $378 now!

Frequently asked questions

How much is a flight from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between IAH and LHR start from $540. Book ASAP to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to London Heathrow?
When it comes to cancellation fees, every airline has a different set of terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for IAH to London Heathrow flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Houston Airport to Heathrow Airport (LHR)?
The flight time from IAH to Heathrow Airport is about 8 hours and 55 minutes. Grab your headphones, listen to your favorite playlist and your time in the air will whiz by.
How far is the flight from Houston Airport to London Heathrow?
Houston to Hounslow is around 4848 mi, so be prepared to spend a while in the air. Don’t forget to pack all the essentials, from your toothbrush to your hairbrush. Toss in a few snacks to munch on throughout your journey too.
Which airlines fly direct from Houston Airport to London Heathrow?
There are a few airlines that fly from George Bush Intercontinental Airport (IAH) to LHR. United Airlines (UA) is a great choice, offering 60 flights every month. Operating 52 flights per month on this route, British Airways (BA) is another traveler favorite.
Are George Bush Intercontinental Airport (IAH) to LHR flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute flight deals between Houston Airport and LHR are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to lock in your seat when the price dips.
Can I fly from IAH to Heathrow Airport right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from IAH to Heathrow Airport please visit our COVID 19 travel advisor portal link.
London nearby Airports
Houston nearby Airports

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