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$454+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This TravelUp deal was found by Cheapflights users on 3/6. 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.
Mon 5/48:40 am
LHR
-
IAH
1 stop33h 13m
JetBlue
Thu 5/712:44 pm
IAH
-
LHR
1 stop11h 46m
JetBlue
Deal found 3/6$765
This The Travel House deal was found by Cheapflights users on 3/6. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:40 am
LHR
-
IAH
1 stop33h 52m
JetBlue
Wed 9/911:50 am
IAH
-
LHR
1 stop15h 40m
JetBlue
Deal found 3/6$788
This TravelUp deal was found by Cheapflights users on 3/9. 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 10/78:15 am
LHR
-
IAH
1 stop14h 33m
JetBlue
Mon 10/125:44 pm
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 3/9$789
This TravelUp deal was found by Cheapflights users on 3/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:40 am
LHR
-
IAH
1 stop33h 27m
JetBlue
Wed 4/2912:34 pm
IAH
-
LHR
1 stop11h 56m
JetBlue
Deal found 3/10$790
This The Travel House deal was found by Cheapflights users on 3/10. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:15 am
LHR
-
IAH
1 stop32h 44m
JetBlue
Mon 9/285:44 pm
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 3/10$793
This The Travel House deal was found by Cheapflights users on 3/6. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:55 am
LHR
-
IAH
1 stop34h 53m
JetBlue
Mon 10/55:44 pm
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 3/6$795
This Trip.com deal was found by Cheapflights users on 3/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:00 am
LHR
-
IAH
2 stops17h 36m
Multiple Airlines
Thu 4/237:00 am
IAH
-
LHR
2 stops20h 30m
Multiple Airlines
Deal found 3/5$797
This The Travel House deal was found by Cheapflights users on 3/8. 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.
Mon 5/48:40 am
LHR
-
IAH
1 stop33h 13m
JetBlue
Tue 5/1212:44 pm
IAH
-
LHR
1 stop11h 46m
JetBlue
Deal found 3/8$803
This Mytrip deal was found by Cheapflights users on 3/9. 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 4/273:05 pm
LHR
-
IAH
2 stops25h 29m
Multiple Airlines
Mon 5/1110:15 pm
IAH
-
LHR
2 stops33h 05m
Multiple Airlines
Deal found 3/9$804
This Icelandair deal was found by Cheapflights users on 3/6. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:25 pm
LHR
-
HOU
2 stops33h 10m
Multiple Airlines
Tue 5/121:20 pm
HOU
-
LHR
2 stops16h 35m
Multiple Airlines
Deal found 3/6$1,026
This Icelandair deal was found by Cheapflights users on 3/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:25 pm
LHR
-
HOU
2 stops33h 00m
Multiple Airlines
Wed 4/292:45 pm
HOU
-
LHR
2 stops23h 35m
Multiple Airlines
Deal found 3/8$1,057
This TravelUp deal was found by Cheapflights users on 3/5. 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 4/134:25 pm
LHR
-
HOU
1 stop13h 22m
British Airways
Thu 4/238:21 pm
HOU
-
LHR
1 stop12h 04m
British Airways
Deal found 3/5$1,062

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 March 10, 2026.

Round-trip from

$754
(The Travel House)

One-way from

$454
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$969
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 ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 5/28

8:15 am-4:48 pm

1 stop14h 33m

Houston George Bush Intcntl

Wed 6/3

11:50 am-9:30 am

1 stop15h 40m

$955

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 8/28

7:05 am-11:51 pm

3 stops22h 46m

Houston George Bush Intcntl

Mon 8/31

1:15 pm-4:25 pm

3 stops21h 10m

$986

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 5/31

8:15 am-4:48 pm

1 stop14h 33m

Houston George Bush Intcntl

Wed 6/3

11:50 am-9:30 am

1 stop15h 40m

$986

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 4/23

10:40 pm-12:45 pm

1 stop20h 05m

Houston George Bush Intcntl

Mon 4/27

2:30 pm-3:10 pm

1 stop18h 40m

$1,006

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 4/23

9:30 am-6:00 pm

1 stop14h 30m

Houston George Bush Intcntl

Mon 4/27

8:05 pm-11:35 am

Nonstop9h 30m

$1,145

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Fri 4/17

1:05 pm-12:25 am

2 stops17h 20m

Houston Hobby

Tue 4/21

11:05 am-11:55 am

2 stops18h 50m

$1,146

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 4/27

8:40 am-11:07 pm

2 stops20h 27m

Houston Hobby

Mon 5/11

1:06 pm-11:20 am

2 stops16h 14m

$1,152

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 4/13

9:40 am-11:08 pm

2 stops19h 28m

Houston Hobby

Mon 4/27

10:53 am-7:10 am

2 stops14h 17m

$1,164

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 4/23

4:25 pm-11:47 pm

1 stop13h 22m

Houston Hobby

Mon 4/27

8:21 pm-2:25 pm

1 stop12h 04m

$1,186

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Fri 5/1

11:30 am-11:07 pm

2 stops17h 37m

Houston Hobby

Mon 5/4

5:23 pm-11:20 am

1 stop11h 57m

$1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 44 resultsSorted by cheapest first
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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 March 6, 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 70 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 $251). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $896). 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 March 10, 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 149 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 Wednesday 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 11% 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 March 10, 2026.
Read reviews from past customers who have flown Austrian Airlines,United Airlines, andAmerican 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
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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
900 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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
9,409 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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
7.1
Good
11,414 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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
7,840 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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
7,781 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Overall

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 $955, JetBlue can have you in Houston from London Heathrow Airport in 14h 33m. 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 $577, and Austrian Airlines, from $695. American Airlines is 50% 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 Iberia and Austrian Airlines, with prices starting from $697 and $742, 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 $251). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of $896). 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$496Average$1,016FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$577Average$1,074FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$695Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$780Average$1,097FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$822Average$982FlexibilityNo cancel feeOn-time70%

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