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$556+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 January 26, 2026.

This deal was found by Cheapflights users on 1/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:00 am
LHR
-
IAH
Nonstop10h 45m
United Airlines
Tue 4/149:57 am
IAH
-
LHR
1 stop17h 43m
United Airlines
Deal found 1/24$704
This Mytrip deal was found by Cheapflights users on 1/24. 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 3/169:25 am
LHR
-
IAH
1 stop19h 24m
Multiple Airlines
Mon 3/235:24 pm
IAH
-
LHR
1 stop13h 21m
Multiple Airlines
Deal found 1/24$705
This Travelocity deal was found by Cheapflights users on 1/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:50 pm
LHR
-
IAH
1 stop27h 55m
Multiple Airlines
Mon 2/912:29 pm
IAH
-
LHR
1 stop12h 26m
Multiple Airlines
Deal found 1/24$709
This deal was found by Cheapflights users on 1/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:10 am
LHR
-
IAH
Nonstop10h 15m
British Airways
Mon 7/209:05 pm
IAH
-
LHR
Nonstop9h 20m
British Airways
Deal found 1/25$710
This Booking.com deal was found by Cheapflights users on 1/25. 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 3/56:50 am
LHR
-
IAH
3 stops23h 28m
Multiple Airlines
Wed 3/185:45 am
IAH
-
LHR
2 stops20h 25m
Multiple Airlines
Deal found 1/25$713
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/229:55 am
LHR
-
IAH
2 stops20h 04m
Multiple Airlines
Sun 3/17:38 pm
IAH
-
LHR
1 stop18h 32m
Multiple Airlines
Deal found 1/25$715
This Booking.com deal was found by Cheapflights users on 1/24. 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.
Sun 2/88:05 pm
LHR
-
IAH
2 stops32h 51m
Multiple Airlines
Wed 2/186:00 am
IAH
-
LHR
3 stops29h 50m
Multiple Airlines
Deal found 1/24$716
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 4/711:20 am
LHR
-
IAH
1 stop18h 29m
Multiple Airlines
Wed 4/2211:37 am
IAH
-
LHR
1 stop14h 28m
Multiple Airlines
Deal found 1/25$717
This Mytrip deal was found by Cheapflights users on 1/24. 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 2/16:00 pm
LHR
-
IAH
3 stops34h 56m
Multiple Airlines
Sat 2/147:38 pm
IAH
-
LHR
2 stops29h 32m
Multiple Airlines
Deal found 1/24$719
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:20 am
LHR
-
IAH
1 stop18h 29m
Multiple Airlines
Thu 4/232:39 pm
IAH
-
LHR
1 stop15h 56m
Multiple Airlines
Deal found 1/26$720
This Mytrip deal was found by Cheapflights users on 1/25. 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 4/301:05 pm
LHR
-
IAH
3 stops25h 32m
Multiple Airlines
Sun 5/37:35 am
IAH
-
LHR
3 stops22h 20m
Multiple Airlines
Deal found 1/25$722
This TravelUp deal was found by Cheapflights users on 1/26. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:35 am
LHR
-
HOU
1 stop13h 31m
British Airways
Thu 2/264:21 pm
HOU
-
LHR
1 stop13h 19m
British Airways
Deal found 1/26$776

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 January 26, 2026.

Round-trip from

$704

One-way from

$556
(Ovago)

Popular in

July

Cheapest in

November

Average price

$879
From London Heathrow to Houston
Search Deals
One-way flight from London Heathrow to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 26, 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 - IAH

LHRIAH

London Heathrow

Fri 2/6

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Mon 2/9

1:35 pm-9:10 am

1 stop13h 35m

$790

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 3/10

10:15 am-7:50 pm

1 stop14h 35m

Houston Hobby

Tue 3/17

4:20 pm-10:00 am

1 stop12h 40m

$794

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sat 3/7

11:55 am-7:50 pm

1 stop13h 55m

Houston Hobby

Tue 3/17

4:20 pm-10:00 am

1 stop12h 40m

$796

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 2/10

8:20 am-4:12 pm

1 stop13h 52m

Houston Hobby

Tue 2/24

4:21 pm-10:00 am

1 stop11h 39m

$796

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 4/28

9:10 am-1:25 pm

Nonstop10h 15m

Houston George Bush Intcntl

Tue 5/12

3:30 pm-6:40 am

Nonstop9h 10m

$812

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 2/5

12:05 pm-4:50 pm

Nonstop10h 45m

Houston George Bush Intcntl

Wed 2/18

4:20 pm-7:30 am

Nonstop9h 10m

$818

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 3/13

12:05 pm-5:50 pm

Nonstop10h 45m

Houston George Bush Intcntl

Tue 3/17

5:20 pm-7:30 am

Nonstop9h 10m

$822

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 3/10

6:30 am-10:42 pm

2 stops21h 12m

Houston Hobby

Tue 3/17

5:22 pm-11:40 am

1 stop13h 18m

$827

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 3/9

8:40 am-10:42 pm

2 stops19h 02m

Houston Hobby

Thu 4/30

10:35 am-7:15 am

2 stops14h 40m

$827

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 2/11

6:30 am-10:33 pm

2 stops22h 03m

Houston Hobby

Fri 2/20

5:25 am-7:05 am

2 stops19h 40m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 41 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 23, 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 $378). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $880). 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 26, 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 160 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 13% 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
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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

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 26, 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
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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
7.6
Good
894 reviews
Austrian Airlines
7.6
Good
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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
9,198 reviews
Austrian Airlines
7.6
Good
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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
11,189 reviews
Austrian Airlines
7.6
Good
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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
7,747 reviews
Austrian Airlines
7.6
Good
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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
7,700 reviews
Austrian Airlines
7.6
Good
894 reviews

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

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 $794, United Airlines can have you in Houston from London Heathrow Airport in 14h 35m. 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 $577, and Austrian Airlines, from $695. 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?

    $360 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 $697, 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 $378). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $880). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$960FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$577Average$1,074FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$695Average$1,193FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$780Average$1,102FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$782Average$996FlexibilityNo cancel feeOn-time70%

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