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$378+ Cheap flights from London (LON) 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from London to Houston are usually found in March or January, booked 37 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from London to Houston

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 September 16, 2025.

Round-trip from

$769
(Mytrip)

One-way from

$378
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$868
From London (LON) to Houston
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One-way flight from London (LON) to Houston
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Highest demand for flights based on searches. 15% potential increase in price ($169 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 September 2025
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Find flight deals from London to Houston

Cheapest flights from London to Houston
Explore the most affordable flight options available from London to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/314:10 pmLGW - IAH
3 stops34h 07mMultiple Airlines
Fri 11/711:25 amIAH - LGW
3 stops22h 20mMultiple Airlines
Deal found 9/16$757
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/87:40 amLGW - IAH
3 stops43h 37mMultiple Airlines
Fri 10/109:02 amIAH - LGW
2 stops18h 58mMultiple Airlines
Deal found 9/15$769
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/191:30 pmLCY - IAH
3 stops30h 09mMultiple Airlines
Wed 11/266:00 amIAH - LCY
2 stops29h 05mMultiple Airlines
Deal found 9/15$769
This The Travel House deal was found by Cheapflights users on 9/15. 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.
Thu 11/206:40 amLHR - IAH
2 stops23h 16mScandinavian Airlines
Wed 12/104:00 pmIAH - LHR
2 stops19h 40mScandinavian Airlines
Deal found 9/15$769
This Norse deal was found by Cheapflights users on 9/15. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:00 amLGW - IAH
1 stop17h 07mMultiple Airlines
Wed 9/242:27 pmIAH - LGW
1 stop34h 33mMultiple Airlines
Deal found 9/15$771
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:00 amLHR - IAH
2 stops29h 20mMultiple Airlines
Tue 10/216:44 amIAH - LHR
2 stops29h 01mMultiple Airlines
Deal found 9/14$771
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/172:00 pmLGW - IAH
1 stop24h 24mMultiple Airlines
Thu 9/257:25 amIAH - LGW
1 stop16h 55mMultiple Airlines
Deal found 9/15$772
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sat 9/2011:40 amSTN - IAH
2 stops26h 15mMultiple Airlines
Sat 10/45:37 amIAH - STN
3 stops23h 03mMultiple Airlines
Deal found 9/14$772
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/46:00 amLHR - IAH
2 stops28h 30mMultiple Airlines
Mon 12/86:20 pmIAH - LHR
1 stop36h 30mMultiple Airlines
Deal found 9/14$772
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/122:00 pmLGW - IAH
1 stop23h 04mMultiple Airlines
Mon 10/277:21 amIAH - LGW
1 stop17h 39mMultiple Airlines
Deal found 9/16$773
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 9/192:00 pmLGW - IAH
1 stop24h 24mMultiple Airlines
Sun 9/217:25 amIAH - LGW
1 stop16h 55mMultiple Airlines
Deal found 9/14$774
This The Travel House deal was found by Cheapflights users on 9/16. 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 10/38:25 amLHR - IAH
1 stop35h 15mIcelandair
Wed 10/222:45 pmIAH - LHR
2 stops36h 45mIcelandair
Deal found 9/16$774

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 September 16, 2025.
Use the filters below to find and compare flights from London to Houston that are best for you.

Fly from

London

Fly to

Houston

Route

Depart

Return

Price

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 9/20

11:40 am-7:55 am

2 stops26h 15m

Houston George Bush Intcntl

Sat 10/4

5:37 am-10:40 am

3 stops23h 03m

$772

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 9/30

12:10 pm-1:40 pm

1 stop31h 30m

Houston George Bush Intcntl

Wed 10/22

2:45 pm-9:35 am

1 stop12h 50m

$777

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 12/16

9:35 am-9:53 pm

2 stops42h 18m

Houston George Bush Intcntl

Mon 1/5

7:00 am-6:00 am

1 stop17h 00m

$780

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 10/3

10:20 pm-4:30 am

3 stops36h 10m

Houston George Bush Intcntl

Fri 10/24

3:00 pm-11:10 pm

3 stops26h 10m

$800

LondonHouston

STN - IAH

STNIAH

London Stansted

Wed 10/8

8:55 am-9:17 pm

3 stops42h 22m

Houston George Bush Intcntl

Fri 10/10

3:00 pm-11:10 pm

3 stops26h 10m

$808

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 10/24

6:40 am-11:59 pm

2 stops23h 19m

Houston George Bush Intcntl

Tue 10/28

4:21 pm-6:50 pm

3 stops21h 29m

$810

LondonHouston

LGW - HOU

LGWHOU

London Gatwick

Thu 10/2

12:20 pm-11:48 pm

2 stops17h 28m

Houston Hobby

Mon 10/6

8:59 am-8:35 am

2 stops17h 36m

$812

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 2/6

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Tue 2/17

11:55 am-5:55 am

1 stop12h 00m

$826

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 3/7

8:30 am-6:15 pm

1 stop15h 45m

Houston George Bush Intcntl

Fri 3/13

5:05 pm-10:50 am

1 stop12h 45m

$826

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 2/6

9:30 am-6:15 pm

1 stop14h 45m

Houston George Bush Intcntl

Sat 2/21

12:26 pm-6:20 am

1 stop11h 54m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from London to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from London 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 to Houston

How far ahead should I book a flight from London to Houston?

Use this chart to determine the optimal time to book a round-trip flight from London to Houston. Price data was last updated on September 12, 2025.

The best time to book flights from London to Houston is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Houston?

Currently, September is the cheapest month in which you can book a flight from London to Houston (average of $230). Flying from London to Houston in March is currently the most expensive (average of $330). 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 LON to HOU?

Find hourly flight availability from London 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 September 16, 2025.

When flying from London to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight at noon.

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

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 September 16, 2025.
Read through reviews of airlines operating flights from London to Houston, such as United Airlines, Iberia, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Iberia
7.0
Good
2,924 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
British Airways
6.7
Okay
7,363 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from London 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 to Houston?

    Departing from London to Houston will take you 17h 28m. The distance between London and Houston is about 4855 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Houston round-trip?

    According to our current data, British Airways ($730), United Airlines ($759), and Austrian Airlines ($803) offers the cheapest pricing from London to Houston. British Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to Houston one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $432. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from London to Houston for a low price.

  • What are the most popular routes from London to Houston?

    Most travelers choose London Heathrow - Houston Hobby, London Heathrow - Houston George Bush Intcntl or London City - Houston Hobby when deciding on the best route from London to Houston.

  • Can I find deals for flights from London to Houston that include hotel bookings?

    Yes. In addition to deals on London to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Houston.

  • Can I find deals for business class flights from London to Houston?

    Yes. Cheapflights offers flight deals from London 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 to Houston?

    Currently, September is the cheapest month in which you can book a flight from London to Houston (average of $230). Flying from London to Houston in March is currently the most expensive (average of $330). 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

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Alternative routes for London to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from London to Houston

Discover the top 5 airlines that operate flights from London 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$730Average$911FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$759Average$1,165FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$803Average$1,274FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$830Average$1,064FlexibilityNo cancel feeOn-time76%
IberiaCheapest$982Average$1,442FlexibilityNo cancel feeOn-time77%

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