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$441+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Round-trip from

$728
(Kiwi.com)

One-way from

$441
(SmartFares)

Popular in

July

Cheapest in

November

Average price

$877
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. 13% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/262:50 pmLHR - IAH
1 stop32h 39mMultiple Airlines
Sun 4/2612:19 pmIAH - LHR
2 stops38h 06mMultiple Airlines
Deal found 1/7$728
This Booking.com deal was found by Cheapflights users on 1/7. 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.
Thu 1/1512:15 pmLHR - IAH
3 stops26h 25mMultiple Airlines
Fri 1/2311:38 amIAH - LHR
2 stops25h 52mMultiple Airlines
Deal found 1/7$731
This Mytrip deal was found by Cheapflights users on 1/6. 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 2/59:25 amLHR - IAH
1 stop19h 31mMultiple Airlines
Thu 2/125:24 pmIAH - LHR
1 stop12h 31mMultiple Airlines
Deal found 1/6$732
This Mytrip deal was found by Cheapflights users on 1/6. 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 3/16:00 amLHR - IAH
3 stops35h 11mMultiple Airlines
Fri 3/67:05 amIAH - LHR
2 stops22h 15mMultiple Airlines
Deal found 1/6$733
This Booking.com deal was found by Cheapflights users on 1/6. 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.
Thu 1/158:05 pmLHR - IAH
2 stops34h 14mMultiple Airlines
Thu 1/294:13 pmIAH - LHR
2 stops19h 37mMultiple Airlines
Deal found 1/6$734
This The Travel House deal was found by Cheapflights users on 1/7. 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 3/79:20 amLHR - IAH
1 stop33h 39mJetBlue
Tue 3/1711:10 amIAH - LHR
1 stop14h 45mJetBlue
Deal found 1/7$735
This Mytrip deal was found by Cheapflights users on 1/6. 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 1/1511:20 amLHR - IAH
1 stop18h 59mMultiple Airlines
Wed 1/284:13 pmIAH - LHR
1 stop18h 37mMultiple Airlines
Deal found 1/6$736
This Travelis deal was found by Cheapflights users on 1/7. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/159:30 amLHR - IAH
1 stop14h 45mLufthansa
Sat 1/315:00 pmIAH - LHR
1 stop12h 15mLufthansa
Deal found 1/7$738
This TravelUp deal was found by Cheapflights users on 1/7. 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 1/219:20 amLHR - IAH
1 stop32h 19mJetBlue
Thu 2/192:56 pmIAH - LHR
1 stop33h 59mJetBlue
Deal found 1/7$740
This The Travel House deal was found by Cheapflights users on 1/7. 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.
Tue 4/288:40 amLHR - IAH
1 stop33h 13mJetBlue
Tue 5/1212:44 pmIAH - LHR
1 stop11h 46mJetBlue
Deal found 1/7$742
This Expedia deal was found by Cheapflights users on 1/6. 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.
Sat 1/248:20 amLHR - HOU
1 stop13h 52mBritish Airways
Fri 1/306:36 pmHOU - LHR
1 stop11h 39mBritish Airways
Deal found 1/6$764
This TravelUp deal was found by Cheapflights users on 1/6. 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 1/2111:55 amLHR - HOU
1 stop16h 51mBritish Airways
Mon 2/26:36 pmHOU - LHR
1 stop11h 39mBritish Airways
Deal found 1/6$766

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 January 8, 2026.
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

Sun 2/1

8:20 am-6:06 pm

1 stop15h 46m

Houston Hobby

Sun 2/15

12:18 pm-6:50 am

1 stop12h 32m

$767

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 2/6

8:30 am-6:15 pm

1 stop15h 45m

Houston George Bush Intcntl

Mon 2/9

10:06 am-5:55 am

1 stop13h 49m

$780

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/10

9:35 am-3:05 pm

Nonstop10h 30m

Houston George Bush Intcntl

Sun 3/15

4:50 pm-6:50 am

Nonstop9h 00m

$784

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sun 2/22

6:05 am-7:50 pm

2 stops19h 45m

Houston Hobby

Sun 3/8

12:18 pm-8:15 am

1 stop14h 57m

$789

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 1/26

7:40 pm-4:12 pm

2 stops26h 32m

Houston Hobby

Thu 2/5

6:36 pm-8:15 am

1 stop31h 39m

$790

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Fri 2/20

12:10 pm-7:46 pm

1 stop13h 36m

Houston Hobby

Fri 2/27

4:21 pm-10:00 am

1 stop11h 39m

$790

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sat 2/21

8:20 am-3:51 pm

1 stop13h 31m

Houston Hobby

Sat 2/28

12:18 pm-8:15 am

1 stop13h 57m

$790

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 3/13

11:55 am-10:31 pm

1 stop15h 36m

Houston George Bush Intcntl

Sat 3/21

4:36 pm-12:15 pm

1 stop14h 39m

$791

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 2/3

10:35 am-6:06 pm

1 stop13h 31m

Houston Hobby

Thu 2/26

4:21 pm-10:00 am

1 stop11h 39m

$792

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 2/2

8:20 am-4:12 pm

1 stop13h 52m

Houston Hobby

Thu 2/19

4:21 pm-10:00 am

1 stop11h 39m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 40 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 January 2, 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Houston, you should look to book at least 75 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 $348). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $879). 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 January 8, 2026.

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 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 January 8, 2026.
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
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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
7.6
Good
889 reviews
Austrian Airlines
7.6
Good
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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
9,142 reviews
Austrian Airlines
7.6
Good
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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
11,097 reviews
Austrian Airlines
7.6
Good
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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
7,698 reviews
Austrian Airlines
7.6
Good
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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
7,659 reviews
Austrian Airlines
7.6
Good
889 reviews

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

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 $796, British Airways can have you in Houston from London Heathrow Airport in 14h 30m. 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 $764. 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?

    $413 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Iberia, with prices starting from $671 and $748, 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 $348). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $879). 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 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$965FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$652Average$1,118FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$764Average$893FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$803Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$825Average$1,101FlexibilityNo cancel feeOn-time69%

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