$590 Cheap Flights from London (LHR) to Houston (IAH)

View $590 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from London to Houston (LHR-IAH)

Prices were available within the past 7 days and start at $590 for one-way flights and $737 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Nov 4 - Tue, Nov 18
LHR
London
IAH
Houston
$737 Roundtrip, just found
$737
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Nov 4 from London to Houston, returning Tue, Nov 18, priced at $737 just found
JetBlue Airways
Tue, Nov 4 - Wed, Nov 12
LHR
London
IAH
Houston
$739 Roundtrip, found 1 day ago
$739
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Nov 4 from London to Houston, returning Wed, Nov 12, priced at $739 found 1 day ago
JetBlue Airways
Wed, Nov 5 - Sun, Nov 9
LHR
London
IAH
Houston
$744 Roundtrip, found 2 hours ago
$744
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Wed, Nov 5 from London to Houston, returning Sun, Nov 9, priced at $744 found 2 hours ago
Lufthansa
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$768 Roundtrip, found 12 hours ago
$768
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $768 found 12 hours ago
United
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$796 Roundtrip, found 12 hours ago
$796
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $796 found 12 hours ago
Austrian Airlines
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$798 Roundtrip, found 12 hours ago
$798
Roundtrip
found 12 hours ago
Select Austrian Airlines flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $798 found 12 hours ago
Brussels Airlines
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$798 Roundtrip, found 12 hours ago
$798
Roundtrip
found 12 hours ago
Select Brussels Airlines flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $798 found 12 hours ago
Air Canada
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$811 Roundtrip, found 12 hours ago
$811
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $811 found 12 hours ago
American Airlines
Tue, Sep 2 - Sat, Sep 13
LHR
London
IAH
Houston
$821 Roundtrip, found 12 hours ago
$821
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Sep 2 from London to Houston, returning Sat, Sep 13, priced at $821 found 12 hours ago
Iberia
Sat, Feb 14 - Sat, Feb 21
LHR
London
IAH
Houston
$828 Roundtrip, found 3 days ago
$828
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Feb 14 from London to Houston, returning Sat, Feb 21, priced at $828 found 3 days ago

Find the cheapest month to fly from London (LHR) to Houston (IAH)

January is typically the cheapest month to fly

From $548 - $1,211 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $1,008
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $1,008
Flights from London (LHR) to Houston (IAH)
Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Roundtrip price
$737
Distance
4823 mi
Average flight time
4 hours 17 mins

London to Houston Flights

The cheapest times to fly from London to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Houston are during the month of November. You can find some of the cheapest flights from London to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Houston

Sunday is one of the best days to book for cheap flights from London to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $590 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) cost?
Cheap round-trip flights from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) start from $918. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Austrian Airlines flight leaving LHR on August 19 2025 and touching down at IAH. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from LHR to IAH?
The cheapest flights from LHR to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
You can travel nonstop from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) on a United Airlines flight.
What is the cheapest airline that flies from LHR to IAH?
Right now, the cheapest carrier offering one-way flights from LHR to IAH is Lufthansa. You can take off on this route from $1796. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LHR on October 1 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
When flying out of Heathrow Airport (LHR), you can choose from an average of 3 daily direct flights to George Bush Intercontinental Airport (IAH).
What are the most popular departure times for flights from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
The 9 AM departures from LHR to IAH are the most sought after. Prices can be higher for these popular slots. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from LHR to IAH?
Thursday has the most flights from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
The first flight of the day out of Heathrow Airport (LHR) is at around 9:20AM UTC+0. Board this flight and you'll touch down at George Bush Intercontinental Airport (IAH) at approximately 2:05PM UTC-6. The overall travel time is 10h 45m.
How long does it take to fly from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
It takes around 10 hours and 44 minutes to travel the 4,800 mi from LHR to IAH.
What airline has the least delays from LHR to IAH?
Consider booking with United Airlines if you'd like to fly straight from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) without any holdups. This airline has the best track record for punctuality, with an on-time performance of 83%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
Opt for a flight from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from Heathrow Airport (LHR)?
If you're boarding a direct flight from Heathrow Airport (LHR) to Houston, George Bush Intercontinental Airport (IAH) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your departure to book a ticket from LHR to IAH often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a LHR to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a LHR to IAH flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)?
Usually, it's possible to reschedule or cancel your LHR to IAH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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