Popular airlines from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)
British AirwaysBritish Airways
LufthansaLufthansa
Austrian AirlinesAustrian Airlines
Brussels AirlinesBrussels Airlines
IberiaIberia
Air CanadaAir Canada
FinnairFinnair
Today's featured flight deals from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)
- Houston (IAH) to London (LHR).United, nonstop.Departing on Mon, Dec 1 at 7:05pm from Houston, arriving on Tue, Dec 2 at 10:15am in London.Returning on Sat, Dec 6 at 9:20am from London, arriving on Sun, Dec 7 at 12:41pm in Houston.Select United flight departing on Mon, Dec 1 at 7:05pm from Houston, returning on Sat, Dec 6 at 9:20am from London priced at $1,15220% less than typical$1,152
- Houston (IAH) to London (LHR).British Airways, nonstop.Departing on Wed, Dec 3 at 3:50pm from Houston, arriving on Thu, Dec 4 at 6:50am in London.Returning on Sat, Dec 13 at 9:35am from London, arriving at 2:05pm in Houston.Select British Airways flight departing on Wed, Dec 3 at 3:50pm from Houston, returning on Sat, Dec 13 at 9:35am from London priced at $63535% less than typical$635
- Houston (IAH) to London (LHR).United, nonstop.Departing on Fri, Oct 31 at 5:20pm from Houston, arriving on Sat, Nov 1 at 7:30am in London.Returning on Wed, Nov 5 at 10:00am from London, arriving at 2:45pm in Houston.Select United flight departing on Fri, Oct 31 at 5:20pm from Houston, returning on Wed, Nov 5 at 10:00am from London priced at $68530% less than typical$685
- Houston (IAH) to London (LHR).British Airways, nonstop.Departing on Mon, Nov 10 at 9:45pm from Houston, arriving on Tue, Nov 11 at 12:45pm in London.Returning on Sun, Nov 23 at 9:35am from London, arriving at 2:05pm in Houston.Select British Airways flight departing on Mon, Nov 10 at 9:45pm from Houston, returning on Sun, Nov 23 at 9:35am from London priced at $63530% less than typical$635
- Houston (IAH) to London (LHR).British Airways, nonstop.Departing on Thu, Nov 6 at 9:50pm from Houston, arriving on Fri, Nov 7 at 12:50pm in London.Returning on Tue, Nov 11 at 9:35am from London, arriving at 2:05pm in Houston.Select British Airways flight departing on Thu, Nov 6 at 9:50pm from Houston, returning on Tue, Nov 11 at 9:35am from London priced at $63525% less than typical$635
- Houston (IAH) to London (LHR).United, nonstop.Departing on Wed, Nov 19 at 4:20pm from Houston, arriving on Thu, Nov 20 at 7:30am in London.Returning on Mon, Nov 24 at 1:30pm from London, arriving on Tue, Nov 25 at 6:15pm in Houston.Select United flight departing on Wed, Nov 19 at 4:20pm from Houston, returning on Mon, Nov 24 at 1:30pm from London priced at $64220% less than typical$642
- Houston (IAH) to London (LHR).British Airways, nonstop.Departing on Fri, Nov 28 at 3:50pm from Houston, arriving on Sat, Nov 29 at 6:50am in London.Returning on Wed, Dec 3 at 9:35am from London, arriving at 2:05pm in Houston.Select British Airways flight departing on Fri, Nov 28 at 3:50pm from Houston, returning on Wed, Dec 3 at 9:35am from London priced at $63520% less than typical$635
Cheap Flights from Houston to London (IAH-LHR)
Prices were available within the past 7 days and start at $245 for one-way flights and $516 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Houston (IAH) to London (LHR)
September is typically the cheapest month to fly
Alternative airports near London
Prices were available within the past 7 days. Prices and availability are subject to change.
Frequently asked questions
Travel information
Origin airport | George Bush Intercontinental |
|---|---|
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic, WestJet |
Roundtrip price | $516 |
Distance | 4823 mi |
Average flight time | 14 hours 5 mins |
Book with confidence
Houston to London Flights
The cheapest times to fly from Houston to London
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 Houston to London are during the month of March. You can find some of the cheapest flights from Houston to London with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Houston to London
Sunday is one of the best days to book for cheap flights from Houston to London: 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 Houston to London
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 Houston to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $245 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 Houston to London 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 Houston to London 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.
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