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$408+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in February or January, booked 77 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 June 12, 2025.

Round-trip from

$700
(The Travel House)

One-way from

$408
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$995
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. 17% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This The Travel House deal was found by Cheapflights users on 6/12. 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.
Fri 8/298:25 amLHR - IAH
1 stop32h 13mIcelandair
Mon 9/82:39 pmIAH - LHR
1 stop33h 51mIcelandair
Deal found 6/12$700
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Mon 10/67:05 amLHR - IAH
3 stops23h 14mMultiple Airlines
Mon 10/205:00 amIAH - LHR
2 stops27h 35mMultiple Airlines
Deal found 6/10$701
This Expedia deal was found by Cheapflights users on 6/11. 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.
Wed 10/228:25 amLHR - IAH
1 stop35h 18mJetBlue
Wed 11/512:15 pmIAH - LHR
1 stop11h 40mJetBlue
Deal found 6/11$760
This The Travel House deal was found by Cheapflights users on 6/12. 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.
Sat 11/226:40 amLHR - IAH
2 stops23h 16mScandinavian Airlines
Sat 12/61:15 pmIAH - LHR
2 stops20h 45mScandinavian Airlines
Deal found 6/12$797
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:50 pmLHR - IAH
Nonstop10h 25mBritish Airways
Tue 9/163:30 pmIAH - LHR
Nonstop9h 10mBritish Airways
Deal found 6/12$800
This ChecknFly deal was found by Cheapflights users on 6/10. 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.
Sat 9/69:30 amLHR - IAH
2 stops29h 06mLufthansa
Sat 9/204:50 pmIAH - LHR
1 stop12h 35mLufthansa
Deal found 6/10$801
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:30 amLHR - HOU
1 stop15h 29mBritish Airways
Tue 9/166:44 pmHOU - LHR
1 stop11h 46mBritish Airways
Deal found 6/10$835
This ChecknFly deal was found by Cheapflights users on 6/11. 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 9/26:10 pmLHR - IAH
2 stops34h 22mFinnair
Wed 9/102:27 pmIAH - LHR
1 stop12h 33mFinnair
Deal found 6/11$837
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/212:00 pmLHR - HOU
1 stop13h 59mAmerican Airlines
Wed 9/104:28 pmHOU - LHR
1 stop12h 22mAmerican Airlines
Deal found 6/11$848
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/243:00 pmLHR - IAH
1 stop13h 00mAmerican Airlines
Thu 10/26:39 pmIAH - LHR
1 stop11h 36mAmerican Airlines
Deal found 6/12$848
This TravelUp deal was found by Cheapflights users on 6/11. 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 9/19:20 amLHR - HOU
1 stop19h 11mVirgin Atlantic
Mon 9/86:34 pmHOU - LHR
2 stops29h 16mVirgin Atlantic
Deal found 6/11$856
This TravelUp deal was found by Cheapflights users on 6/11. 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.
Tue 11/1812:10 pmLHR - IAH
1 stop16h 36mVirgin Atlantic
Tue 12/211:50 amIAH - LHR
2 stops13h 05mVirgin Atlantic
Deal found 6/11$857

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 June 12, 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

Fri 8/29

8:25 am-10:38 am

1 stop32h 13m

Houston George Bush Intcntl

Mon 9/8

2:39 pm-6:30 am

1 stop33h 51m

$700

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 10/6

7:05 am-12:19 am

3 stops23h 14m

Houston George Bush Intcntl

Mon 10/20

5:00 am-2:35 pm

2 stops27h 35m

$701

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 10/22

8:25 am-1:43 pm

1 stop35h 18m

Houston George Bush Intcntl

Wed 11/5

12:15 pm-5:55 am

1 stop11h 40m

$760

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/22

6:40 am-11:56 pm

2 stops23h 16m

Houston George Bush Intcntl

Sat 12/6

1:15 pm-4:00 pm

2 stops20h 45m

$797

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 8/26

2:50 pm-7:15 pm

Nonstop10h 25m

Houston George Bush Intcntl

Tue 9/16

3:30 pm-6:40 am

Nonstop9h 10m

$800

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 9/6

1:00 pm-8:36 am

2 stops25h 36m

Houston George Bush Intcntl

Sat 9/20

8:15 pm-11:35 am

Nonstop9h 20m

$801

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 8/26

10:30 am-7:59 pm

1 stop15h 29m

Houston Hobby

Tue 9/16

6:44 pm-12:30 pm

1 stop11h 46m

$835

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 9/2

6:10 pm-10:32 pm

2 stops34h 22m

Houston George Bush Intcntl

Wed 9/10

2:27 pm-9:00 am

1 stop12h 33m

$837

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 9/2

12:00 pm-7:59 pm

1 stop13h 59m

Houston Hobby

Wed 9/10

4:28 pm-10:50 am

1 stop12h 22m

$848

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/24

3:00 pm-10:00 pm

1 stop13h 00m

Houston George Bush Intcntl

Thu 10/2

6:39 pm-12:15 pm

1 stop11h 36m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 33 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

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

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 June 9, 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 77 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 $332). 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from London to Houston, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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.

  • 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 $700. Other airlines that can offer you cheap pricing are JetBlue, from $760, and Scandinavian Airlines, from $797. Icelandair is 28% 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?

    $684 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Avianca and British Airways, with prices starting from $796 and $833, 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 $332). 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

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Top 4 airlines flying from Heathrow to Houston

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$730Average$893FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$741Average$1,167FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$830Average$1,072FlexibilityNo cancel feeOn-time76%
IberiaCheapest$982Average$1,442FlexibilityNo cancel feeOn-time77%

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