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$339+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in January or February, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 March 28, 2025.

Round-trip from

$695
(The Travel House)

One-way from

$339
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$980
From London Heathrow to Houston
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One-way flight from London Heathrow to Houston
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Highest demand for flights based on searches. 14% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This The Travel House deal was found by Cheapflights users on 3/27. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:25 amLHR - IAH
1 stop32h 41mIcelandair
Wed 5/211:25 pmIAH - LHR
1 stop25h 20mIcelandair
Deal found 3/27$695
This ChecknFly deal was found by Cheapflights users on 3/27. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/169:30 amLHR - IAH
1 stop14h 20mLufthansa
Sat 6/288:49 pmIAH - LHR
1 stop33h 31mLufthansa
Deal found 3/27$696
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Mon 4/216:30 amLHR - IAH
2 stops23h 22mMultiple Airlines
Mon 4/285:41 pmIAH - LHR
1 stop17h 34mMultiple Airlines
Deal found 3/27$697
This The Travel House deal was found by Cheapflights users on 3/27. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:30 amLHR - IAH
2 stops23h 46mIberia
Thu 10/212:14 pmIAH - LHR
2 stops24h 56mIberia
Deal found 3/27$805
This JetBlue deal was found by Cheapflights users on 3/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:25 amLHR - IAH
1 stop15h 38mJetBlue
Wed 5/2111:51 amIAH - LHR
1 stop12h 39mJetBlue
Deal found 3/28$827
This Netflights deal was found by Cheapflights users on 3/26. 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.
Wed 4/309:25 amLHR - IAH
Nonstop10h 15mBritish Airways
Wed 5/2812:09 pmIAH - LHR
1 stop15h 16mBritish Airways
Deal found 3/26$857
This ChecknFly deal was found by Cheapflights users on 3/27. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 pmLHR - IAH
1 stop24h 40mTurkish Airlines
Tue 6/249:00 pmIAH - LHR
1 stop17h 50mTurkish Airlines
Deal found 3/27$878
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:40 amLHR - IAH
2 stops22h 41mScandinavian Airlines
Tue 9/164:00 pmIAH - LHR
3 stops23h 35mScandinavian Airlines
Deal found 3/27$909
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/211:40 pmLHR - IAH
Nonstop10h 20mAustrian Airlines
Mon 4/284:15 pmIAH - LHR
Nonstop9h 25mAustrian Airlines
Deal found 3/27$941
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Mon 4/214:25 pmLHR - HOU
1 stop13h 31mBritish Airways
Mon 4/286:31 pmHOU - LHR
1 stop12h 14mBritish Airways
Deal found 3/27$946
This Brussels Airlines deal was found by Cheapflights users on 3/27. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:45 amLHR - IAH
2 stops16h 45mBrussels Airlines
Sun 4/2712:00 pmIAH - LHR
1 stop12h 20mBrussels Airlines
Deal found 3/27$947
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:30 amLHR - IAH
1 stop36h 05mUnited Airlines
Wed 5/78:10 pmIAH - LHR
Nonstop9h 25mUnited Airlines
Deal found 3/27$957

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 March 28, 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 - IAH

LHRIAH

London Heathrow

Wed 5/14

8:25 am-11:06 am

1 stop32h 41m

Houston George Bush Intcntl

Wed 5/21

1:25 pm-8:45 pm

1 stop25h 20m

$695

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 6/16

9:30 am-5:50 pm

1 stop14h 20m

Houston George Bush Intcntl

Sat 6/28

8:49 pm-12:20 pm

1 stop33h 31m

$696

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 4/21

6:30 am-11:52 pm

2 stops23h 22m

Houston George Bush Intcntl

Mon 4/28

5:41 pm-5:15 pm

1 stop17h 34m

$697

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/24

6:30 am-12:16 am

2 stops23h 46m

Houston George Bush Intcntl

Thu 10/2

12:14 pm-7:10 pm

2 stops24h 56m

$805

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 5/1

8:25 am-6:03 pm

1 stop15h 38m

Houston George Bush Intcntl

Wed 5/21

11:51 am-6:30 am

1 stop12h 39m

$827

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 4/30

9:25 am-1:40 pm

Nonstop10h 15m

Houston George Bush Intcntl

Wed 5/28

12:09 pm-9:25 am

1 stop15h 16m

$857

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/3

6:00 pm-12:40 pm

1 stop24h 40m

Houston George Bush Intcntl

Tue 6/24

9:00 pm-8:50 pm

1 stop17h 50m

$878

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 5/13

6:40 am-11:21 pm

2 stops22h 41m

Houston George Bush Intcntl

Tue 9/16

4:00 pm-9:35 pm

3 stops23h 35m

$909

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 4/21

1:40 pm-6:00 pm

Nonstop10h 20m

Houston George Bush Intcntl

Mon 4/28

4:15 pm-7:40 am

Nonstop9h 25m

$941

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 4/21

4:25 pm-11:56 pm

1 stop13h 31m

Houston Hobby

Mon 4/28

6:31 pm-12:45 pm

1 stop12h 14m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 35 results
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The best insider tips for London Heathrow Airport to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Houston trip
Airports
LHR

Expect strict security at Heathrow. Ensure all liquids are in one small bag to avoid delays during manual screenings.

Read more about LHRby Ramsey Qubein
IAH

For a quick ride to downtown Houston, Uber or Lyft is recommended from IAH, taking about 25 minutes by car.

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

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 March 21, 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 57 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $230). Flying from London Heathrow Airport to Houston in March is currently the most expensive (average of $334). 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 March 28, 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 21% on airfare.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 March 28, 2025.
To help decide which airline to fly from London to Houston, see what other customers have to say about Delta, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $695. Other airlines that can offer you cheap pricing are Lufthansa, from $696, and Iberia, from $805. Icelandair is 29% 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?

    $459 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aeromexico and Lufthansa, with prices starting from $704 and $753, 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $230). Flying from London Heathrow Airport to Houston in March is currently the most expensive (average of $334). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$730Average$978FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$741Average$1,106FlexibilityNo cancel feeOn-time69%
IberiaCheapest$794Average$1,148FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$803Average$1,290FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$830Average$1,072FlexibilityNo cancel feeOn-time76%
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