HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$399+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 31, 2025.

This TravelUp deal was found by Cheapflights users on 12/29. 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 12/309:20 amLHR - IAH
1 stop36h 25mJetBlue
Mon 1/57:45 pmIAH - LHR
1 stop29h 10mJetBlue
Deal found 12/29$1,161
This Booking.com deal was found by Cheapflights users on 12/29. 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 12/3112:15 pmLHR - IAH
3 stops26h 10mMultiple Airlines
Sun 1/117:45 amIAH - LHR
3 stops21h 05mMultiple Airlines
Deal found 12/29$1,331
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Mon 12/292:50 pmLHR - IAH
1 stop32h 39mMultiple Airlines
Sat 1/313:49 pmIAH - LHR
2 stops39h 01mMultiple Airlines
Deal found 12/29$1,344
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Tue 12/302:50 pmLHR - IAH
1 stop27h 54mMultiple Airlines
Tue 1/64:30 pmIAH - LHR
1 stop14h 20mMultiple Airlines
Deal found 12/29$1,406
This Mytrip deal was found by Cheapflights users on 12/29. 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 12/319:00 amLHR - IAH
3 stops29h 25mMultiple Airlines
Wed 1/147:45 amIAH - LHR
3 stops26h 35mMultiple Airlines
Deal found 12/29$1,410
This lastminute.com deal was found by Cheapflights users on 12/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:50 pmLHR - IAH
1 stop27h 54mMultiple Airlines
Mon 1/57:05 pmIAH - LHR
Nonstop9h 10mMultiple Airlines
Deal found 12/29$1,487
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 pmLHR - HOU
2 stops35h 36mBritish Airways
Sat 1/3112:49 pmHOU - LHR
1 stop12h 01mBritish Airways
Deal found 12/29$1,736
This British Airways deal was found by Cheapflights users on 12/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:00 pmLHR - HOU
1 stop14h 46mBritish Airways
Tue 1/64:55 pmHOU - LHR
1 stop11h 05mBritish Airways
Deal found 12/29$1,800
This oojo deal was found by Cheapflights users on 12/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:20 amLHR - HOU
1 stop17h 25mBritish Airways
Sun 1/116:36 pmHOU - LHR
1 stop31h 59mBritish Airways
Deal found 12/29$1,816
This British Airways deal was found by Cheapflights users on 12/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:25 pmLHR - HOU
2 stops34h 20mBritish Airways
Mon 1/54:17 pmHOU - LHR
1 stop34h 18mBritish Airways
Deal found 12/30$1,829
This Delta deal was found by Cheapflights users on 12/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:30 amLHR - HOU
2 stops17h 41mDelta
Tue 1/611:09 amHOU - LHR
1 stop13h 16mDelta
Deal found 12/29$1,883
This American Airlines deal was found by Cheapflights users on 12/30. 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 12/3011:55 amLHR - HOU
1 stop13h 49mAmerican Airlines
Mon 1/54:17 pmHOU - LHR
1 stop13h 23mAmerican Airlines
Deal found 12/30$2,004

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 31, 2025.

Round-trip from

$761
(TravelUp)

One-way from

$399
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,169
From London Heathrow to Houston
Search Deals
One-way flight from London Heathrow to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 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 31, 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

Tue 1/13

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Tue 1/20

5:00 pm-11:15 am

1 stop12h 15m

$780

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 2/13

6:30 am-6:15 pm

1 stop17h 45m

Houston George Bush Intcntl

Fri 2/20

7:05 pm-10:15 am

Nonstop9h 10m

$780

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 1/17

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Sat 1/24

12:10 pm-6:40 am

1 stop12h 30m

$780

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/15

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Wed 1/28

7:05 pm-10:15 am

Nonstop9h 10m

$781

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 2/12

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Thu 2/19

4:20 pm-7:30 am

Nonstop9h 10m

$781

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 2/20

6:35 am-4:30 pm

1 stop15h 55m

Houston George Bush Intcntl

Fri 3/6

7:10 am-11:20 am

1 stop22h 10m

$785

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 1/19

3:25 pm-8:00 pm

Nonstop10h 35m

Houston George Bush Intcntl

Tue 2/24

1:01 pm-6:55 am

1 stop11h 54m

$786

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 1/26

2:50 pm-10:46 pm

1 stop13h 56m

Houston Hobby

Sun 4/26

12:42 pm-6:20 am

1 stop11h 38m

$791

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 1/28

11:55 am-10:46 pm

1 stop16h 51m

Houston Hobby

Wed 2/4

4:55 pm-11:40 am

1 stop12h 45m

$792

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/15

8:20 am-5:05 pm

1 stop14h 45m

Houston George Bush Intcntl

Sun 1/25

4:50 pm-10:00 am

1 stop11h 10m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 40 results
1
2
3
4

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 26, 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 27 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 $562). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $844). 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 31, 2025.

When flying from London Heathrow Airport to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from London Heathrow Airport to Houston?

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 31, 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
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.5
Good
886 reviews
Austrian Airlines
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
United Airlines
7.4
Good
9,123 reviews
Austrian Airlines
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
American Airlines
7.2
Good
11,074 reviews
Austrian Airlines
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,665 reviews
Austrian Airlines
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
British Airways
6.7
Okay
7,626 reviews
Austrian Airlines
7.5
Good
886 reviews

Entertainment

6.8

Overall

7.5

Food

6.7

Boarding

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

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 $791, United Airlines can have you in Houston from London Heathrow Airport in 13h 56m. 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 $562). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $844). 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$1,016FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$652Average$1,118FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$893FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$803Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$825Average$1,101FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.