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$452+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in January or May, 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 November 4, 2025.

Round-trip from

$752
(Kiwi.com)

One-way from

$452
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$919
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 ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:50 pmLHR - IAH
1 stop27h 54mWestJet
Wed 11/261:35 pmIAH - LHR
1 stop17h 15mWestJet
Deal found 11/3$752
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/1712:15 pmLHR - IAH
2 stops17h 44mMultiple Airlines
Mon 12/18:29 amIAH - LHR
2 stops29h 01mMultiple Airlines
Deal found 11/2$755
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/2012:15 pmLHR - IAH
3 stops32h 25mMultiple Airlines
Thu 12/45:33 amIAH - LHR
2 stops31h 57mMultiple Airlines
Deal found 11/3$756
This The Travel House deal was found by Cheapflights users on 11/2. 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 12/58:05 amLHR - IAH
2 stops34h 36mIcelandair
Sun 12/146:45 pmIAH - LHR
1 stop30h 10mIcelandair
Deal found 11/2$759
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 11/192:50 pmLHR - IAH
2 stops31h 34mMultiple Airlines
Tue 12/96:14 amIAH - LHR
3 stops22h 36mMultiple Airlines
Deal found 11/2$761
This TravelUp deal was found by Cheapflights users on 11/2. 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.
Wed 12/109:20 amLHR - IAH
1 stop33h 21mJetBlue
Tue 12/166:45 pmIAH - LHR
1 stop30h 10mJetBlue
Deal found 11/2$762
This ChecknFly deal was found by Cheapflights users on 11/3. 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 11/229:20 amLHR - IAH
1 stop30h 17mIcelandair
Wed 11/268:10 pmIAH - LHR
1 stop28h 45mIcelandair
Deal found 11/3$763
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Sun 11/236:40 amLHR - IAH
3 stops24h 01mMultiple Airlines
Wed 12/35:30 amIAH - LHR
2 stops31h 20mMultiple Airlines
Deal found 11/3$764
This TravelUp deal was found by Cheapflights users on 11/2. 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 11/189:20 amLHR - IAH
1 stop14h 31mJetBlue
Tue 12/161:36 pmIAH - LHR
1 stop11h 19mJetBlue
Deal found 11/2$767
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:50 pmLHR - IAH
1 stop27h 54mMultiple Airlines
Thu 12/118:23 pmIAH - LHR
2 stops28h 27mMultiple Airlines
Deal found 11/4$769
This TravelUp deal was found by Cheapflights users on 11/4. 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.
Sat 12/69:20 amLHR - IAH
1 stop33h 21mJetBlue
Sat 9/122:35 pmIAH - LHR
1 stop33h 55mJetBlue
Deal found 11/4$771
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:50 pmLHR - IAH
1 stop27h 54mWestJet
Tue 1/136:20 pmIAH - LHR
1 stop36h 30mWestJet
Deal found 11/2$773

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 November 4, 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

Thu 11/20

4:20 pm-8:19 pm

1 stop33h 59m

Houston George Bush Intcntl

Sat 11/22

6:36 pm-7:55 am

1 stop31h 19m

$809

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/28

10:20 am-11:39 pm

2 stops19h 19m

Houston George Bush Intcntl

Wed 2/4

4:06 pm-6:30 pm

2 stops20h 24m

$826

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 11/18

7:05 am-11:56 pm

3 stops22h 51m

Houston George Bush Intcntl

Thu 12/11

4:00 pm-5:40 pm

2 stops19h 40m

$829

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 11/24

9:20 am-7:22 pm

1 stop16h 02m

Houston George Bush Intcntl

Wed 12/3

1:36 pm-6:55 am

1 stop11h 19m

$845

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 1/18

10:50 am-7:03 pm

1 stop14h 13m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-12:50 pm

1 stop36h 30m

$848

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 12/8

11:15 am-11:59 pm

1 stop18h 44m

Houston George Bush Intcntl

Wed 12/24

4:10 pm-12:05 pm

1 stop13h 55m

$850

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 12/17

9:20 am-5:48 pm

1 stop14h 28m

Houston George Bush Intcntl

Thu 1/15

12:30 pm-6:55 am

1 stop12h 25m

$874

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 11/24

9:20 am-7:22 pm

1 stop16h 02m

Houston George Bush Intcntl

Sat 12/6

1:36 pm-6:55 am

1 stop11h 19m

$885

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 12/17

9:20 am-5:48 pm

1 stop14h 28m

Houston George Bush Intcntl

Fri 1/16

12:30 pm-6:55 am

1 stop12h 25m

$914

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 11/14

9:20 am-5:51 pm

1 stop14h 31m

Houston George Bush Intcntl

Wed 11/19

1:38 pm-6:55 am

1 stop11h 17m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 43 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 October 31, 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $570). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $851). 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 November 4, 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.

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

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 November 4, 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
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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
864 reviews
Austrian Airlines
7.6
Good
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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
9,001 reviews
Austrian Airlines
7.6
Good
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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
11,040 reviews
Austrian Airlines
7.6
Good
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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
7,553 reviews
Austrian Airlines
7.6
Good
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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
7,496 reviews
Austrian Airlines
7.6
Good
864 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Overall

7.6

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 $845, United Airlines can have you in Houston from London Heathrow Airport in 16h 02m. Airlines will cover a distance of 4820 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.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of $570). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $851). 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$936FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$652Average$1,074FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$908FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$803Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$825Average$1,162FlexibilityNo cancel feeOn-time69%

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