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Cheap flights from London to Houston from £274

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Houston are usually found in March or January, booked 80 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 4 December 2025.

Sun 7/1206:10LGW - IAH
3 stops30h 54mMultiple Airlines
Tue 9/1219:25IAH - LGW
3 stops33h 30mMultiple Airlines
Deal found 1/12£611
Wed 24/1219:50LHR - IAH
3 stops34h 09mMultiple Airlines
Wed 7/105:46IAH - LHR
3 stops29h 54mMultiple Airlines
Deal found 2/12£615
Fri 12/1214:00LGW - IAH
1 stop14h 43mMultiple Airlines
Mon 2/206:30IAH - LGW
2 stops21h 30mMultiple Airlines
Deal found 2/12£616
Sat 13/1207:30LHR - IAH
1 stop16h 45mUnited Airlines
Sat 13/1220:35IAH - LHR
1 stop28h 50mUnited Airlines
Deal found 2/12£617
Fri 12/1206:10LGW - IAH
3 stops30h 54mMultiple Airlines
Sun 1/211:38IAH - LGW
3 stops22h 07mMultiple Airlines
Deal found 2/12£619
Thu 11/1206:00LHR - IAH
3 stops32h 25mMultiple Airlines
Mon 15/1205:33IAH - LHR
2 stops18h 57mMultiple Airlines
Deal found 2/12£622
Fri 12/1206:10LGW - IAH
3 stops30h 54mMultiple Airlines
Sun 14/1211:05IAH - LGW
1 stop16h 55mMultiple Airlines
Deal found 1/12£624
Fri 12/1206:40LHR - IAH
2 stops20h 31mScandinavian Airlines
Sun 1/216:06IAH - LHR
2 stops20h 24mScandinavian Airlines
Deal found 2/12£630
Mon 15/1211:00LGW - IAH
3 stops35h 08mMultiple Airlines
Thu 15/107:45IAH - LGW
2 stops20h 15mMultiple Airlines
Deal found 2/12£636
Wed 24/1213:20LHR - IAH
2 stops36h 34mMultiple Airlines
Sat 17/115:49IAH - LHR
1 stop19h 01mMultiple Airlines
Deal found 1/12£636
Sat 13/1220:10LGW - IAH
3 stops33h 49mMultiple Airlines
Mon 12/107:45IAH - LGW
2 stops20h 15mMultiple Airlines
Deal found 2/12£644
Sat 6/1211:55LGW - IAH
3 stops27h 20mMultiple Airlines
Sat 13/1220:23IAH - LGW
3 stops32h 32mMultiple Airlines
Deal found 1/12£645

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 4 December 2025.

Round-trip from

£607

One-way from

£283

Popular in

July

Cheapest in

March

Average price

£807
26/2-13/3
  • 26/2-13/3
  • 5 total stops
  • 68h 09m total
  • London to Houston
Search Deals
1/2
  • 1/2
  • 3 total stops
  • 37h 30m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 4 December 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

LHR - IAH

LHRIAH

London Heathrow

Fri 20/2

07:05-23:56

3 stops22h 51m

Houston George Bush Intcntl

Mon 23/2

12:42-17:40

2 stops22h 58m

£627

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 26/2

07:05-23:56

3 stops22h 51m

Houston George Bush Intcntl

Mon 9/3

16:59-18:50

3 stops20h 51m

£629

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

06:40-23:56

2 stops23h 16m

Houston George Bush Intcntl

Thu 22/1

16:06-21:40

2 stops23h 34m

£631

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 12/3

19:05-14:30

2 stops24h 25m

Houston George Bush Intcntl

Mon 16/3

17:05-16:50

2 stops18h 45m

£637

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 27/1

11:20-23:58

2 stops18h 38m

Houston George Bush Intcntl

Tue 10/2

12:16-07:30

1 stop13h 14m

£648

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 22/2

06:10-23:59

3 stops47h 49m

Houston George Bush Intcntl

Thu 26/2

07:05-07:50

2 stops18h 45m

£653

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 27/1

10:15-19:10

1 stop38h 55m

Houston George Bush Intcntl

Tue 10/2

21:05-16:10

1 stop37h 05m

£661

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 30/4

06:30-14:10

3 stops37h 40m

Houston George Bush Intcntl

Mon 11/5

15:20-23:20

2 stops26h 00m

£667

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 14/4

06:15-19:15

1 stop19h 00m

Houston George Bush Intcntl

Tue 28/4

21:10-16:50

1 stop37h 40m

£680

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 30/4

17:45-12:45

1 stop25h 00m

Houston George Bush Intcntl

Mon 11/5

14:30-16:50

1 stop20h 20m

£686

Flights are sorted by cheapest return flights first.

Deals found on 1/12

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 28 November 2025.

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, May is the cheapest month in which you can book a flight from London to Houston (average of £132). Flying from London to Houston in July is currently the most expensive (average of £637). 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 December 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. Friday evenings 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?

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 162 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 14% 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 4 December 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
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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
875 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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
1,334 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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
9,063 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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
7,612 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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
7,559 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Food

6.8

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.3

Boarding

7.6

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 14h 50m. Fly via Scandinavian 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 £172. Other airlines that can offer you cheap pricing are KLM, from £320, and Virgin Atlantic, from £387. These flights start at 76% 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 £259. Users have also found prices from £531 and £545 on Lufthansa and Austrian Airlines, 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, May is the cheapest month in which you can book a flight from London to Houston (average of £132). Flying from London to Houston in July is currently the most expensive (average of £637). 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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£192Average£582FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£320Average£850FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£387Average£753FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£472Average£600FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£479Average£670FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£501Average£747FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£510Average£772FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£511Average£663FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Austrian AirlinesCheapest£516Average£795FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
British AirwaysCheapest£538Average£680FlexibilityNo cancel feeOn-time70%
Search British Airways 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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