Skip to main content
Beginning of main content

Cheap Flights from London to Houston $550.76

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from London to Houston (LHR to IAH)

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

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

Question : How many different departure times are there each day?
Answer : On average, you can expect two different choices of flight times when you book. The average route has 31 different flight times per day, so expect fewer options than you're used to.

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : British Airways holds the best record for flights from LHR to IAH with a 77% on-time rate. Note that if they do have a delay, it usually lasts about 20-30 minutes.

Question : If travelling from LHR to IAH, how long can you expect to be in the air?
Answer : This flight takes 47 minutes on average.

Question : Is London Heathrow Airport (LHR) the cheapest airport for getting to George Bush Intercontinental Airport (IAH)?
Answer : London City Airport (LCY) is just 22 miles away, and, on average, flights are 39% cheaper for the next two months. Save now and put it toward your next adventure.

Question : Which airline is offering the cheapest round-trip flight from LHR to IAH?
Answer : KLM is your best bet for finding that coveted low fare.