$546 Cheap Flights from London to Houston

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Change your flight without a fee on select flights

Find The Best Dates To Fly from Heathrow to George Bush Intercontinental

Amazing LHR to IAH Flight Deals

The cheapest flights to George Bush Intercontinental found within the past 7 days were $509 round trip and $546 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for LHR to IAH

CarrierFlightDepart LHRArrive IAHSat
BA19510:00 am02:15 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA87910:35 am02:45 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA401:40 pm05:45 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from Heathrow Airport (LHR) to IAH right now?
Ensure you check out the Covid-19 Travel Advisor to find out if there are any current travel advice reports or quarantine requirements in place in IAH when flying in from Heathrow Airport.
Are there direct flights from Heathrow Airport (LHR) to Houston Airport?
Kick off your trip in the most stress-free way possible and travel straight to George Bush Intercontinental Airport (IAH) from London Heathrow. United Airlines and British Airways are among the airlines that offer nonstop services on this flight path.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to George Bush Intercontinental Airport (IAH), please visit our Customer Service Portal.
How long is the flight from LHR to Houston Airport?
It takes an average of 12 hours and 59 minutes to travel from Heathrow Airport (LHR) to IAH. For this lengthy flight, you’ll benefit from being as comfortable as possible. Think about bringing a neck pillow for improved sleep, packing some snacks and wearing comfortable, loose-fitting clothes.
What is the flight distance from London Heathrow to Houston Airport?
From Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH), the flight distance is 4,800 mi. So, it’s wise to have a range of entertainment to choose from. Magazines, movies, games … Whatever you prefer. If you come prepared, it won’t feel like too long before you hear the call to prepare for landing.
What airlines fly from LHR to George Bush Intercontinental Airport (IAH)?
You’ll find several airlines that have direct flights between London and Houston. United Airlines (UA) is one of the most well-known. This carrier offers at least 30 flights every month. You’ll want to also check out the deals available through British Airways (BA). This carrier operates 30 flights every month on the London to Houston route. Compare the two airlines to find your ideal fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Heathrow
Traveling To George Bush Intercontinental
Shortest Flight Time 1 hours 55 mins
Earliest Departure Time 10:00AM CDT
Latest Departure Time 1:40PM CDT
Lowest Flight Price $509

Route Info

Flight path for flights from London Heathrow Airport to George Bush Intercontinental Airport

4,850.00 miles

Airlines & Aircraft Used on LHR to IAH Flight Routes

Airline Carrier
Air Canada
Airbus A320-100/200
American Airlines
Aerospatiale/Alenia ATR 42-500
Canadair Regional Jet 700
British Airways
Airbus A310 all pax models
British Airways
Boeing 737-800 pax
British Airways
Boeing 777-200 pax
Boeing 757 all pax models
Boeing 777-200 pax
Airbus A320-100/200

Discover our best flights from London LHR to Houston IAH. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from London LHR to Houston IAH at the right price  

Airfares to Houston IAH from London LHR currently cost between $509 and $1,092. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from London LHR to Houston IAH 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from London LHR to Houston IAH on Travelocity starting at $546. Prices and availability subject to change. Additional terms may apply. 


Get to Houston IAH from London LHR quicker with direct flights. 

Get to Houston faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAH from LHR to take around 1 hour(s) 55 min(s).  


Find our cheapest airfares for flights from London LHR to Houston IAH

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAH from LHR. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from London LHR to Houston IAH today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from London LHR to Houston IAH. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Houston IAH from London LHR 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAH from LHR have this option.  


Travel with confidence when you book flights to Houston IAH from London LHR with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.