IAH to LHR (Houston to London) Flights

Last Minute Flights from IAH to LHR

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IAHLondonMay 4 to May 7$929
*Prices include taxes and fees

Cheapest IAH to LHR Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IAHLondonOctober 13 to October 20$528
IAHLondonOctober 30 to November 6$531
IAHLondonOctober 30 to November 6$536
IAHLondonOctober 30 to November 6$546
*Prices include taxes and fees
IAH to LHR Flight Details
Origin airport
George Bush Intercontinental
Origin airport IATA code
IAH
Destination airport
Heathrow
Destination airport IATA code
LHR
Distance
4823 mi

Frequently asked questions

What airlines fly direct from Houston Airport to LHR?
United Airlines (UA) and British Airways (BA) can fly you nonstop from IAH to Heathrow Airport (LHR). The first carrier offers 60 of these popular services monthly, while the other has 60 each month. Find your row, get comfy and reach your destination fast.
How many flights are there from IAH to LHR?
About 4 each day. If you’re in a hurry to fly to Hounslow, see if you can nab a great last-minute deal from Houston, TX (IAH-George Bush Intercontinental) to London (LHR-Heathrow) and then lock it in right away!
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to London (LHR-Heathrow)?
The Houston, TX (IAH-George Bush Intercontinental) to London (LHR-Heathrow) trip has a flight time of around 9 hours and 19 minutes. Getting a good seat can help ease the stress of longer flights, so look up the aircraft’s layout before reserving your spot.
What is the flight distance from Houston, TX (IAH-George Bush Intercontinental) to London (LHR-Heathrow)?
Around 4,800 miles (7,800 1) separates Houston and Hounslow. You’ll be in your plane seat for some time on this long-haul flight, so carefully choose where you sit.
How many afternoon flights are there from IAH to LHR?
If you’re not an early riser, book one of the 28 afternoon and evening flights available each week from IAH to LHR.

  • United Airlines (UA) operates 14 flights per week departing after midday. The earliest leaves the tarmac at 4:20PM.
  • An alternative is British Airways (BA). You can jump on one of its 14 weekly afternoon and evening flights that travel to LHR from 3:35PM.

What is the earliest departure time out of Houston to Hounslow?
If you’re a bit of a night owl, you’ll be happy to learn that the first plane from IAH takes off at 3:35PM. Book this flight and you’ll be hitting the tarmac at LHR at 12:50AM.
What is the latest departure time out of Houston to Hounslow?
Reserve a seat on the 8:50PM flight from IAH, landing at LHR at 6:15AM, and allow yourself time to take care of those last-minute vacation preparations. This is the latest flight you can get on this route.
What is the average price from Houston to Hounslow?
Round-trip fares between IAH and LHR start from about $528. When you’re ready to fly, we’re ready to help you walk away with the best possible price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Houston to London Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Houston to London to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from IAH to LHR, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Houston to London, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.