Cheap flights from London Heathrow Airport to Houston from $346
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
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0 bags
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Houston.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Houston.
Cheap last minute flights
Planning a quick getaway from London Heathrow Airport to Houston? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Houston, so you can enjoy a seamless trip without layovers.
KLM flights from London Heathrow Airport to Houston
Our best KLM deals on London Heathrow Airport to Houston flight tickets
KLM![KLM]()
May 1![KLM]()
May 21
LHR6:30 amLondon Heathrow
12h 45m
1 stop
IAH1:15 pmHouston George Bush Intcntl
IAH3:30 pmHouston George Bush Intcntl
13h 15m
1 stop
LHR10:45 amLondon Heathrow
KLM![KLM]()
Jul 4![KLM]()
Jul 19
LHR11:20 amLondon Heathrow
15h 24m
1 stop
HOU8:44 pmHouston Hobby
HOU3:15 pmHouston Hobby
13h 55m
1 stop
LHR11:10 amLondon Heathrow
American Airlines flights from London Heathrow Airport to Houston
Our best American Airlines deals on London Heathrow Airport to Houston flight tickets
American Airlines![American Airlines]()
May 1![American Airlines]()
May 21
LHR2:50 pmLondon Heathrow
10h 25m
IAH7:15 pmHouston George Bush Intcntl
IAH9:00 pmHouston George Bush Intcntl
9h 20m
LHR12:20 pmLondon Heathrow
American Airlines![American Airlines]()
Jul 5![American Airlines]()
Jul 20
LHR10:30 amLondon Heathrow
13h 29m
1 stop
HOU5:59 pmHouston Hobby
HOU6:30 pmHouston Hobby
12h 00m
1 stop
LHR12:30 pmLondon Heathrow
See travel insights to Houston from
How to get the cheapest flight ticket from London Heathrow Airport to Houston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
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Other information
What is the typical price of a round-trip flight between London Heathrow Airport and Houston?
What is the cheapest month to fly to Houston?
The month of February is, on average, the cheapest month to fly to Houston from London Heathrow Airport, with most prices found around $825. The month of January is another great option to travel to Houston, with average flight prices from London Heathrow Airport averaging around $836.
What is the cheapest day to depart on your flight to Houston?
On average, the least expensive day to fly to Houston from London Heathrow Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $1,280.
What is the cheapest time of day to depart on your flight to Houston?
Our data shows that the cheapest London Heathrow Airport to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $759. Try not to purchase tickets at noon because they tend to be around $1,050. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest London Heathrow to Houston flight route?
Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices
How far in advance should I book a flight to Houston?
You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $991 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as $843 on momondo.
What cabin class options are available on London Heathrow to Houston flights?
There are 4 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Houston?
WestJet, Aer Lingus, and JetBlue are the most popular carriers operating from London Heathrow to Houston
What airlines fly to Houston?
British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Houston from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 4 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Houston on average per day?
As of April 2025, 21 flights take off from London Heathrow Airport and land in Houston each day. The most common flight departure time for this route is 10:00AM, with 53% of daily flights taking off at noon.
How many flights depart from London Heathrow Airport to Houston on average per week?
As of April 2025, 149 flights take off from London Heathrow Airport and land in Houston each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap London Heathrow Airport to Houston flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston
How far is London Heathrow to Houston by plane?
A flight from London Heathrow to Houston will travel around 4833.3 mi. By plane, this route typically takes 10h 15m.
When did momondo last update prices for flights from London Heathrow Airport to Houston?
Prices for flights from London Heathrow Airport to Houston were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Houston?
As of April 2025, there are 4 operators available to choose from for flights from London Heathrow Airport to Houston.
How old do you have to be to fly from London Heathrow Airport to Houston?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from London Heathrow Airport to Houston
Compare and see reviews for airlines that fly from London Heathrow Airport to Houston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $730 | Free Cancellation | Rating 6.6 6,798 reviews | |||
| PriceFrom $741 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $803 | Free Cancellation | Rating 7.5 780 reviews | |||
| PriceFrom $830 | Free Cancellation | Rating 6.7 7,027 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Houston?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from London.
Can I find flights from London to Houston with flexible booking policies on momondo?
All flight searches from London to Houston on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Houston?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from London.
I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?
Price alerts on flights to Houston from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.