Cheap flights from London to Houston from £326

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
4 Mar — 11 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 2 February 2026.

Mon 2/314:45
LHR
-
IAH
1 stop15h 14m
Multiple Airlines
Mon 16/317:24
IAH
-
LHR
1 stop13h 21m
Multiple Airlines
Deal found 2/2£516
Sat 7/321:05
LGW
-
IAH
2 stops55h 54m
Multiple Airlines
Mon 16/316:30
IAH
-
LGW
1 stop12h 30m
Multiple Airlines
Deal found 31/1£520
Wed 18/209:10
LHR
-
IAH
2 stops39h 18m
Multiple Airlines
Sat 28/218:07
IAH
-
LHR
2 stops32h 18m
Multiple Airlines
Deal found 1/2£520
Mon 23/214:00
LGW
-
IAH
1 stop14h 41m
Multiple Airlines
Sat 14/316:22
IAH
-
LGW
3 stops23h 18m
Multiple Airlines
Deal found 31/1£521
Thu 30/413:05
LHR
-
IAH
3 stops29h 03m
Multiple Airlines
Sun 3/507:35
IAH
-
LHR
3 stops22h 20m
Multiple Airlines
Deal found 1/2£521
Mon 16/315:50
LHR
-
IAH
2 stops21h 50m
Multiple Airlines
Tue 24/312:46
IAH
-
LHR
1 stop16h 09m
Multiple Airlines
Deal found 31/1£522
Mon 9/214:00
LGW
-
IAH
1 stop34h 28m
Multiple Airlines
Tue 3/307:05
IAH
-
LGW
2 stops20h 45m
Multiple Airlines
Deal found 30/1£523
Wed 4/311:20
LHR
-
IAH
1 stop19h 10m
Multiple Airlines
Wed 11/318:02
IAH
-
LHR
1 stop17h 48m
Multiple Airlines
Deal found 2/2£524
Mon 2/314:00
LGW
-
IAH
1 stop35h 04m
Multiple Airlines
Wed 27/506:30
IAH
-
LGW
2 stops20h 45m
Multiple Airlines
Deal found 30/1£524
Sun 8/209:20
LHR
-
IAH
1 stop32h 19m
JetBlue
Wed 29/412:44
IAH
-
LHR
1 stop11h 46m
JetBlue
Deal found 1/2£524
Fri 13/214:00
LGW
-
IAH
1 stop26h 07m
Multiple Airlines
Sun 22/205:15
IAH
-
LGW
2 stops42h 45m
Multiple Airlines
Deal found 2/2£526
Mon 13/414:00
LGW
-
IAH
1 stop24h 38m
Multiple Airlines
Mon 4/517:49
IAH
-
LGW
2 stops30h 31m
Multiple Airlines
Deal found 30/1£527

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 2 February 2026.

Round-trip from

£520

One-way from

£326

Popular in

July

Cheapest in

January

Average price

£624
7/3-16/3
  • 7/3-16/3
  • 3 total stops
  • 68h 24m total
  • London to Houston
24/3
  • 24/3
  • 3 total stops
  • 37h 27m total
  • London to Houston
Highest demand for flights based on searches. 12% potential increase in price (£76 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in February 2026

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 2 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

Mon 2/3

14:00-19:04

1 stop35h 04m

Houston George Bush Intcntl

Wed 27/5

06:30-09:15

2 stops20h 45m

£524

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 3/3

21:20-23:59

3 stops32h 39m

Houston George Bush Intcntl

Tue 10/3

06:30-22:55

3 stops35h 25m

£535

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 16/3

19:25-23:49

3 stops33h 24m

Houston George Bush Intcntl

Fri 20/3

11:15-10:00

1 stop17h 45m

£542

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 30/4

06:00-23:51

3 stops47h 51m

Houston George Bush Intcntl

Sun 3/5

09:24-23:50

3 stops32h 26m

£545

LondonHouston

LCY - IAH

LCYIAH

London City

Tue 3/3

09:50-23:09

3 stops19h 19m

Houston George Bush Intcntl

Tue 10/3

07:05-09:15

2 stops21h 10m

£569

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 13/2

14:00-10:07

1 stop26h 07m

Houston George Bush Intcntl

Thu 19/2

19:38-06:00

1 stop28h 22m

£573

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 19/5

13:05-17:03

2 stops33h 58m

Houston George Bush Intcntl

Sun 19/7

12:15-10:00

1 stop15h 45m

£575

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 18/2

17:05-19:10

1 stop32h 05m

Houston George Bush Intcntl

Thu 26/2

21:05-16:10

1 stop37h 05m

£663

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 7/3

06:15-19:10

1 stop18h 55m

Houston George Bush Intcntl

Tue 17/3

22:05-09:25

1 stop30h 20m

£673

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 16/6

17:45-12:45

1 stop25h 00m

Houston George Bush Intcntl

Mon 20/7

21:05-16:50

1 stop37h 45m

£691

Flights are sorted by cheapest return flights first.

Deals found on 31/1

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 30 January 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, April is the cheapest month in which you can book a flight from London to Houston (average of £285). Flying from London to Houston in July is currently the most expensive (average of £643). 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 2 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 often are flights from London to Houston delayed?

About 15% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 157 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 past year, United Airlines have had the lowest number of delays on this route, with just 13% 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 2 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.

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Crew

8.2

Overall

7.6

Comfort

7.5

Boarding

7.7

Entertainment

6.9

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 15h 58m. Fly via Turkish Airlines, Scandinavian Airlines, or Delta to get the fastest option. There are 4835 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 £186. Other airlines that can offer you cheap pricing are KLM, from £310, and Virgin Atlantic, from £378. 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 £298. Users have also found prices from £483 and £516 on Finnair and Lufthansa, respectively.

  • What are the most popular routes 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 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, April is the cheapest month in which you can book a flight from London to Houston (average of £285). Flying from London to Houston in July is currently the most expensive (average of £643). 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.

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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£186Average£615FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£310Average£802FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£378Average£691FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£465Average£740FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£483Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£491Average£727FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£493Average£788FlexibilityNo cancel feeOn-time77%
Search Iberia flights
JetBlueCheapest£500Average£631FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Austrian AirlinesCheapest£504Average£758FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air CanadaCheapest£542Average£574FlexibilityNo 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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