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IAH (Houston) to LHR (London) Flights $789.16

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Cheap IAH to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.








Interesting Facts About Flights from Houston to London (IAH to LHR)

Question : Is the price you found a good deal?
Answer : Flight prices fluctuate a lot more than most routes from the United States for IAH to LHR. They vary anywhere from $575 to $7,402. The further out you book a route, the more likely you are to save.

Question : Which airline is giving the best deals for round-trip flights from George Bush Intercontinental Airport (IAH) to London Heathrow Airport (LHR)?
Answer : Flight prices are hitting as high as $7,402 over the next three months when flying to LHR from IAH. Check out British Airways, as they have been booking customers at just $575.

Question : Would you be willing to change your travel days if it saved you money?
Answer : The cheapest day to fly in August is Wednesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Which airline can you expect delays with on this route?
Answer : If you decide to book your flight with United Airlines, keep an eye on your departure time. 30% of flights from George Bush Intercontinental Airport (IAH) to London Heathrow Airport (LHR) are late.

Question : Which airline has been on time to London Heathrow Airport (LHR) from George Bush Intercontinental Airport (IAH) the most?
Answer : British Airways leads the way with an 85% on-time rate. Life has too much to offer to spend it waiting in an airport, so check out British Airways to get in and out of airports as quickly as possible. If they are delayed for some reason though, the average delay is over half an hour.

Question : What is the fastest flight from IAH to LHR?
Answer : British Airways can get you there in eight hours and 50 minutes. So, if you were to leave Houston at 4:15 PM CDT, you would arrive in London at 7:05 AM BST (remember, there is a time change of six hours).

Question : Is there another local airport that can get you to London?
Answer : George Bush Intercontinental Airport is a great airport, but in getting you to London, there is a lower cost option – William P. Hobby Airport. It's just 23 miles away and flights are being priced 16% cheaper over the upcoming months.