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$378+ Cheap flights from Heathrow (LHR) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in January or November, booked 24 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Heathrow to Houston

Cheapest flights from Heathrow to Houston
Explore the most affordable flight options available from Heathrow to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:30 pmLHR - IAH
1 stop27h 09mAmerican Airlines
Tue 1/65:23 pmIAH - LHR
1 stop31h 57mAmerican Airlines
Deal found 12/16$872
This TravelUp deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amLHR - IAH
1 stop13h 26mBritish Airways
Thu 1/86:10 pmIAH - LHR
1 stop11h 30mBritish Airways
Deal found 12/16$926
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - HOU
1 stop25h 09mAmerican Airlines
Mon 12/299:05 amHOU - LHR
1 stop15h 45mAmerican Airlines
Deal found 12/17$942
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - IAH
1 stop23h 25mAmerican Airlines
Mon 12/299:49 amIAH - LHR
1 stop20h 16mAmerican Airlines
Deal found 12/17$942
This Iberia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 pmLHR - IAH
2 stops31h 21mIberia
Thu 1/811:11 amIAH - LHR
1 stop14h 09mIberia
Deal found 12/16$949
This Iberia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmLHR - IAH
2 stops32h 26mIberia
Wed 1/72:41 pmIAH - LHR
2 stops36h 34mIberia
Deal found 12/16$963
This Netflights deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amLHR - IAH
1 stop18h 01mBritish Airways
Sun 1/119:50 pmIAH - LHR
Nonstop9h 00mBritish Airways
Deal found 12/16$967
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:40 amLHR - IAH
2 stops23h 19mMultiple Airlines
Thu 1/811:38 amIAH - LHR
3 stops25h 12mMultiple Airlines
Deal found 12/16$971
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:00 pmLHR - HOU
1 stop24h 43mAmerican Airlines
Sun 12/289:05 amHOU - LHR
1 stop18h 55mAmerican Airlines
Deal found 12/17$982
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:20 amLHR - IAH
1 stop31h 35mAmerican Airlines
Sun 12/285:31 amIAH - LHR
1 stop24h 34mAmerican Airlines
Deal found 12/17$982
This Booking.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:30 pmLHR - IAH
1 stop32h 17mBritish Airways
Wed 3/187:43 pmIAH - LHR
1 stop11h 32mBritish Airways
Deal found 12/17$989
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:35 amLHR - IAH
Nonstop10h 30mAmerican Airlines
Wed 3/184:50 pmIAH - LHR
Nonstop9h 00mAmerican Airlines
Deal found 12/17$991

Find flight deals from Heathrow to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Round-trip from

$799
(Netflights)

One-way from

$378
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,199
From London Heathrow to Houston
Search Deals
One-way flight from London Heathrow to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

Fly from

Heathrow

Fly to

Houston

Route

Depart

Return

Price

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 1/14

8:20 am-4:12 pm

1 stop13h 52m

Houston Hobby

Wed 1/28

12:47 pm-6:50 am

1 stop12h 03m

$810

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/28

9:35 am-2:05 pm

Nonstop10h 30m

Houston George Bush Intcntl

Mon 2/2

6:10 pm-11:40 am

1 stop11h 30m

$817

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 1/13

10:05 am-6:06 pm

1 stop14h 01m

Houston Hobby

Tue 2/3

4:55 pm-10:00 am

1 stop11h 05m

$821

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 1/27

8:20 am-10:49 pm

1 stop20h 29m

Houston George Bush Intcntl

Mon 2/2

9:45 pm-12:45 pm

Nonstop9h 00m

$823

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 1/19

8:20 am-4:12 pm

1 stop13h 52m

Houston Hobby

Mon 2/2

6:36 pm-12:15 pm

1 stop11h 39m

$834

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 1/13

1:40 pm-11:11 am

3 stops27h 31m

Houston George Bush Intcntl

Tue 2/3

8:30 am-5:30 pm

3 stops27h 00m

$838

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 1/23

7:05 am-9:13 pm

3 stops20h 08m

Houston George Bush Intcntl

Sat 1/31

10:44 am-6:30 pm

2 stops25h 46m

$841

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sat 4/18

12:55 pm-8:02 pm

1 stop13h 07m

Houston Hobby

Tue 5/12

2:32 pm-8:05 am

1 stop11h 33m

$841

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/21

6:40 am-11:37 pm

2 stops22h 57m

Houston George Bush Intcntl

Wed 1/28

4:06 pm-9:35 pm

3 stops23h 29m

$843

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 2/23

7:05 am-9:13 pm

3 stops20h 08m

Houston George Bush Intcntl

Thu 2/26

9:54 am-4:00 pm

2 stops24h 06m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 45 results
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Best time to book a flight from Heathrow to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Houston

How far ahead should I book a flight from London Heathrow Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Houston. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Houston, you should look to book at least 24 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Houston?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $569). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $842). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to HOU?

Find hourly flight availability from Heathrow to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Houston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% on airfare.

How often are flights from London to Houston delayed?

About 14% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 162 minutes.

What is the most punctual flight time for London to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Houston flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

The best insider tips for London Heathrow Airport to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Houston trip
Airports
LHR

Heathrow's strict security means long lines. Ensure all liquids are in one bag to avoid delays.

Read more about LHRBy Ramsey Qubein
IAH

For a quick ride to downtown Houston from IAH, Uber or Lyft takes about 25 minutes.

Read more about IAHBy Evie Carrick
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Austrian Airlines, United Airlines, and American Airlines from London Heathrow Airport to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
879 reviews
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
9,092 reviews
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
American Airlines
7.2
Good
11,055 reviews
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,635 reviews
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,585 reviews
Austrian Airlines
7.6
Good
879 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Houston?

    For as low as $810, British Airways can have you in Houston from London Heathrow Airport in 13h 52m. Airlines will cover a distance of 4835 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Houston round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Houston round-trip from $496. Other airlines that can offer you cheap pricing are Lufthansa, from $652, and British Airways, from $730. American Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Houston one-way?

    $370 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from $649 and $671, respectively.

  • Can I find deals for flights from Heathrow to Houston that include hotel bookings?

    Yes. In addition to deals on Heathrow to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Houston.

  • Can I find deals for business class flights from Heathrow to Houston?

    Yes. Cheapflights offers flight deals from Heathrow to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Houston?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $569). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $842). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Heathrow to Houston

Discover the top 5 airlines that operate flights from Heathrow to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$1,016FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$652Average$1,074FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$897FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$803Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$825Average$1,102FlexibilityNo cancel feeOn-time69%

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