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Cheap flights from London to Houston from £318

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Houston

Enter your travel dates to find the best prices.

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 18 February 2026.

Thu 5/307:00
LGW
-
IAH
3 stops46h 59m
Multiple Airlines
Tue 31/305:15
IAH
-
LGW
2 stops22h 45m
Multiple Airlines
Deal found 17/2£532
Tue 7/419:50
LHR
-
IAH
3 stops32h 44m
Multiple Airlines
Sat 18/407:05
IAH
-
LHR
2 stops23h 50m
Multiple Airlines
Deal found 16/2£533
Fri 17/413:05
LGW
-
IAH
2 stops33h 58m
Multiple Airlines
Sun 26/409:32
IAH
-
LGW
1 stop18h 28m
Multiple Airlines
Deal found 15/2£533
Sat 7/306:40
LHR
-
IAH
3 stops30h 20m
Multiple Airlines
Sat 21/307:05
IAH
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 16/2£533
Mon 2/314:00
LGW
-
IAH
1 stop35h 04m
Multiple Airlines
Fri 13/316:30
IAH
-
LGW
1 stop12h 30m
Multiple Airlines
Deal found 17/2£534
Mon 2/314:00
LGW
-
IAH
1 stop35h 04m
Multiple Airlines
Mon 16/319:19
IAH
-
LGW
2 stops39h 26m
Multiple Airlines
Deal found 15/2£536
Sat 28/206:40
LHR
-
IAH
3 stops22h 29m
Multiple Airlines
Wed 4/307:21
IAH
-
LHR
3 stops23h 34m
Multiple Airlines
Deal found 16/2£536
Wed 4/314:50
LHR
-
IAH
1 stop27h 55m
Multiple Airlines
Sat 21/307:05
IAH
-
LHR
2 stops29h 25m
Multiple Airlines
Deal found 18/2£536
Sat 7/306:40
LHR
-
IAH
3 stops30h 20m
Multiple Airlines
Thu 12/307:05
IAH
-
LHR
2 stops28h 55m
Multiple Airlines
Deal found 16/2£538
Thu 12/314:00
LGW
-
IAH
2 stops26h 45m
Multiple Airlines
Sat 21/308:19
IAH
-
LGW
1 stop20h 46m
Multiple Airlines
Deal found 18/2£538
Mon 13/421:05
LHR
-
IAH
3 stops32h 44m
Multiple Airlines
Mon 27/407:05
IAH
-
LHR
2 stops25h 30m
Multiple Airlines
Deal found 16/2£539
Wed 18/308:30
LGW
-
IAH
2 stops34h 24m
Multiple Airlines
Mon 23/316:30
IAH
-
LGW
1 stop12h 30m
Multiple Airlines
Deal found 16/2£540

Find 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 18 February 2026.

Round-trip from

£532

One-way from

£318

Popular in

July

Cheapest in

September

Average price

£667
5/3-31/3
  • 5/3-31/3
  • 5 total stops
  • 69h 44m total
  • London to Houston
Search Deals
11/6
  • 11/6
  • 1 total stop
  • 25h 25m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 February 2026.
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

LGW - IAH

LGWIAH

London Gatwick

Fri 17/4

13:05-17:03

2 stops33h 58m

Houston George Bush Intcntl

Sun 26/4

09:32-10:00

1 stop18h 28m

£533

LondonHouston

STN - IAH

STNIAH

London Stansted

Wed 15/4

21:30-22:49

3 stops31h 19m

Houston George Bush Intcntl

Wed 22/4

06:00-22:05

3 stops34h 05m

£567

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 2/3

14:00-22:41

1 stop14h 41m

Houston George Bush Intcntl

Mon 16/3

16:30-10:00

1 stop12h 30m

£570

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 8/8

10:00-14:20

Nonstop10h 20m

Houston George Bush Intcntl

Sat 8/8

19:50-10:10

1 stop32h 20m

£597

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 10/4

14:00-07:02

1 stop23h 02m

Houston George Bush Intcntl

Wed 22/4

11:43-17:55

2 stops24h 12m

£601

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 12/4

14:00-14:24

1 stop30h 24m

Houston George Bush Intcntl

Wed 6/5

09:32-10:00

1 stop18h 28m

£606

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 12/4

06:45-23:49

3 stops47h 04m

Houston George Bush Intcntl

Wed 6/5

09:26-22:05

3 stops30h 39m

£607

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 18/3

13:00-15:27

1 stop31h 27m

Houston George Bush Intcntl

Wed 25/3

21:15-10:00

1 stop31h 45m

£609

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 15/4

10:00-22:49

2 stops18h 49m

Houston George Bush Intcntl

Tue 21/4

16:30-16:25

2 stops17h 55m

£628

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 12/3

06:25-20:10

1 stop18h 45m

Houston George Bush Intcntl

Mon 16/3

22:05-16:10

1 stop37h 05m

£668

Flights are sorted by cheapest return flights first.

Deals found on 15/2

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 return 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 return flight from London to Houston. Price data was last updated on 18 February 2026.

The best time to book flights from London to Houston is 80 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, January is the cheapest month in which you can book a flight from London to Houston (average of £200). Flying from London to Houston in July is currently the most expensive (average of £661). 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 18 February 2026.

When flying from London 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 for a return flight from London 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 148 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 past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 18 February 2026.
Check out reviews from past customers who have flown with Finnair, Austrian Airlines, andUnited Airlines from London to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Austrian Airlines
7.5
Good
898 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,314 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,790 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,751 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Comfort

7.4

Crew

8.2

Food

6.7

Entertainment

6.9

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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?

    There are many flights that can get you from London to Houston in 10h 20m. Fly via United Airlines, Turkish Airlines, or Lufthansa to get the fastest option. There are 4820 mi between London and Houston. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London to Houston round-trip from £188. Other airlines that can offer you cheap pricing are KLM, from £313, and Virgin Atlantic, from £381. These flights start at 74% lower than the current average price 3 months from now.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £301. Users have also found prices from £487 and £520 on Finnair and Lufthansa, respectively.

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

    The most popular route from London to Houston is London Heathrow - Houston Hobby. You may also consider London Heathrow - Houston George Bush Intcntl or London Gatwick - Houston Hobby.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Houston (average of £200). Flying from London to Houston in July is currently the most expensive (average of £661). 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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Alternative routes for London to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dallas/Fort Worth flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Hobby flights
London City to Dallas/Fort Worth flights
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Heathrow to George Bush Intcntl flights
Heathrow to Love Field flights
Luton to Dallas/Fort Worth flights
Gatwick to Love Field flights
Heathrow to Austin flights
Gatwick to Hobby flights
London City to Hobby flights
Gatwick to George Bush Intcntl flights
London City to George Bush Intcntl flights
Stansted to George Bush Intcntl flights
Manchester to Dallas/Fort Worth flights
Gatwick to Austin flights
London City to Austin flights
Manchester to Austin flights
Manchester to Hobby flights
Manchester to Love Field flights
Manchester to George Bush Intcntl flights
Stansted to Austin flights
Heathrow to San Antonio flights
Birmingham to Dallas/Fort Worth flights
Gatwick to San Antonio flights
Edinburgh to Dallas/Fort Worth flights
Newcastle upon Tyne to Hobby flights
Heathrow to El Paso flights
London City to San Antonio flights
Edinburgh to Hobby flights
Birmingham to Love Field flights
Birmingham to Austin flights
Newcastle upon Tyne to George Bush Intcntl flights
Birmingham to Hobby flights
London City to El Paso flights
Manchester to San Antonio flights
Edinburgh to Austin flights
Manchester to El Paso flights
Edinburgh to George Bush Intcntl flights
Gatwick to El Paso flights
Newcastle upon Tyne to Dallas/Fort Worth flights
Leeds to Dallas/Fort Worth flights
Birmingham to George Bush Intcntl flights
Leeds to Hobby flights
Edinburgh to Love Field flights
Leeds to George Bush Intcntl flights
Newcastle upon Tyne to Austin flights
Leeds to Austin flights
Southampton to Austin flights

Top 10 airlines flying from London to Houston

Discover the top 10 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 858,174 searches. Data last updated 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£188Average£620FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£313Average£809FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£381Average£673FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£469Average£747FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£495Average£735FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£497Average£795FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£499Average£702FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£506Average£638FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Austrian AirlinesCheapest£508Average£768FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air CanadaCheapest£546Average£579FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Houston?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Houston from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Houston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Houston from London.

Can Cheapflights find flights from London to Houston with no change fees?

Yes! Cheapflights helps users easily find flights from London to Houston with no change fees.

Can Cheapflights notify me if prices for flights from London to Houston become cheaper?

Of course! You can now track prices for flights from London to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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