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Cheap flights from London to Houston from £343

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Houston are usually found in March or January, booked 37 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 4 November 2025.

Round-trip from

£572

One-way from

£343

Popular in

July

Cheapest in

March

Average price

£759
9/12-8/1
  • 9/12-8/1
  • 3 total stops
  • 51h 29m total
  • London to Houston
Search Deals
6/12
  • 6/12
  • 3 total stops
  • 32h 54m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 4 November 2025.

Fri 7/1114:00LGW - IAH
2 stops33h 26mMultiple Airlines
Tue 11/1105:14IAH - LGW
1 stop18h 46mMultiple Airlines
Deal found 3/11£572
Sun 23/1114:50LHR - IAH
1 stop27h 54mWestJet
Wed 26/1113:35IAH - LHR
1 stop17h 15mWestJet
Deal found 3/11£572
Sun 23/1111:55LGW - IAH
3 stops25h 29mMultiple Airlines
Wed 3/1220:35IAH - LGW
3 stops32h 20mMultiple Airlines
Deal found 3/11£575
Mon 17/1112:15LHR - IAH
2 stops17h 44mMultiple Airlines
Mon 1/1208:29IAH - LHR
2 stops29h 01mMultiple Airlines
Deal found 2/11£575
Sun 16/1108:30LGW - IAH
3 stops38h 56mMultiple Airlines
Wed 19/1105:45IAH - LGW
2 stops18h 15mMultiple Airlines
Deal found 3/11£575
Thu 20/1112:15LHR - IAH
3 stops32h 25mMultiple Airlines
Thu 4/1205:33IAH - LHR
2 stops31h 57mMultiple Airlines
Deal found 3/11£575
Fri 5/1208:05LHR - IAH
2 stops34h 36mIcelandair
Sun 14/1218:45IAH - LHR
1 stop30h 10mIcelandair
Deal found 2/11£578
Mon 17/1114:00LGW - IAH
1 stop15h 59mMultiple Airlines
Mon 1/1205:34IAH - LGW
2 stops23h 21mMultiple Airlines
Deal found 2/11£579
Wed 19/1114:50LHR - IAH
2 stops31h 34mMultiple Airlines
Tue 9/1206:14IAH - LHR
3 stops22h 36mMultiple Airlines
Deal found 2/11£579
Wed 10/1209:20LHR - IAH
1 stop33h 21mJetBlue
Tue 16/1218:45IAH - LHR
1 stop30h 10mJetBlue
Deal found 2/11£580
Sat 22/1109:20LHR - IAH
1 stop30h 17mIcelandair
Wed 26/1120:10IAH - LHR
1 stop28h 45mIcelandair
Deal found 3/11£581
Sun 23/1106:40LHR - IAH
3 stops24h 01mMultiple Airlines
Wed 3/1205:30IAH - LHR
2 stops31h 20mMultiple Airlines
Deal found 3/11£582

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 4 November 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

LCY - IAH

LCYIAH

London City

Wed 4/2

09:50-21:53

2 stops18h 03m

Houston George Bush Intcntl

Tue 10/2

06:00-09:15

2 stops21h 15m

£591

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 7/1

21:05-21:53

3 stops30h 48m

Houston George Bush Intcntl

Mon 19/1

12:17-10:00

1 stop15h 43m

£614

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 11/12

14:00-22:43

1 stop14h 43m

Houston George Bush Intcntl

Mon 29/12

05:46-10:00

1 stop22h 14m

£615

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 12/12

05:55-23:59

3 stops24h 04m

Houston George Bush Intcntl

Tue 16/12

08:00-23:10

3 stops33h 10m

£630

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 28/1

06:40-23:39

2 stops22h 59m

Houston George Bush Intcntl

Wed 4/2

16:06-21:35

3 stops23h 29m

£631

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 18/11

07:05-23:56

3 stops22h 51m

Houston George Bush Intcntl

Thu 11/12

16:00-17:40

2 stops19h 40m

£631

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 24/11

09:20-19:22

1 stop16h 02m

Houston George Bush Intcntl

Wed 3/12

13:36-06:55

1 stop11h 19m

£643

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 15/11

18:55-13:55

2 stops25h 00m

Houston George Bush Intcntl

Sun 23/11

16:05-18:20

2 stops20h 15m

£647

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 8/12

11:15-23:59

1 stop18h 44m

Houston George Bush Intcntl

Wed 24/12

16:10-12:05

1 stop13h 55m

£647

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 24/11

06:20-19:10

1 stop18h 50m

Houston George Bush Intcntl

Mon 1/12

21:05-22:30

1 stop19h 25m

£687

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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 31 October 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, May is the cheapest month in which you can book a flight from London to Houston (average of £133). Flying from London to Houston in July is currently the most expensive (average of £648). 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 4 November 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 evening, which can drop the price by up to 20% versus a flight in the morning.

What is the cheapest day to fly from London to Houston?

Use this chart to determine the cheapest time to fly return from London to Houston. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Houston flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight 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 4 November 2025.
Check out reviews from past customers who have flown with Austrian Airlines, Finnair, 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.
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
863 reviews
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Finnair
7.6
Good
1,335 reviews
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,998 reviews
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,547 reviews
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,494 reviews
Austrian Airlines
7.6
Good
863 reviews
Check prices

Entertainment

6.8

Food

6.8

Crew

8.1

Overall

7.6

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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 16h 02m. Fly via Scandinavian Airlines, JetBlue, or Turkish Airlines 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 £323. Other airlines that can offer you cheap pricing are WestJet, from £391, and Virgin Atlantic, from £391. These flights start at 56% 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 £400. Users have also found prices from £527 and £559 on Lufthansa and Virgin Atlantic, 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 City - 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, May is the cheapest month in which you can book a flight from London to Houston (average of £133). Flying from London to Houston in July is currently the most expensive (average of £648). 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.
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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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£323Average£724FlexibilityNo cancel feeOn-time75%
Search KLM flights
WestJetCheapest£391Average£572FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£391Average£764FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£455Average£682FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£478Average£589FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Scandinavian AirlinesCheapest£491Average£664FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£510Average£767FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£516Average£785FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£518Average£664FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Austrian AirlinesCheapest£525Average£826FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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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