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Cheap flights from London to Houston from £323

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
25 Mar — 1 Apr1
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 23 February 2026.

Sat 7/306:00
LHR
-
IAH
2 stops24h 30m
Multiple Airlines
Wed 11/316:34
IAH
-
LHR
2 stops24h 06m
Multiple Airlines
Deal found 21/2£531
Mon 13/415:40
LGW
-
IAH
3 stops35h 07m
Multiple Airlines
Mon 27/409:26
IAH
-
LGW
3 stops20h 19m
Multiple Airlines
Deal found 22/2£532
Mon 16/314:00
LGW
-
IAH
2 stops25h 24m
Multiple Airlines
Sat 4/407:47
IAH
-
LGW
1 stop20h 13m
Multiple Airlines
Deal found 21/2£532
Mon 16/314:00
LGW
-
IAH
1 stop25h 18m
Multiple Airlines
Tue 7/411:15
IAH
-
LGW
1 stop16h 45m
Multiple Airlines
Deal found 20/2£533
Sat 7/306:40
LHR
-
IAH
3 stops22h 29m
Multiple Airlines
Tue 17/305:45
IAH
-
LHR
3 stops33h 10m
Multiple Airlines
Deal found 20/2£533
Sat 7/308:30
LGW
-
IAH
2 stops21h 29m
Multiple Airlines
Tue 17/319:19
IAH
-
LGW
1 stop29h 41m
Multiple Airlines
Deal found 20/2£534
Mon 2/314:00
LGW
-
IAH
1 stop14h 41m
Multiple Airlines
Tue 17/317:34
IAH
-
LGW
2 stops31h 26m
Multiple Airlines
Deal found 23/2£535
Tue 3/308:30
LGW
-
IAH
2 stops21h 29m
Multiple Airlines
Tue 24/311:15
IAH
-
LGW
1 stop17h 45m
Multiple Airlines
Deal found 21/2£537
Fri 13/314:00
LGW
-
IAH
1 stop22h 29m
Multiple Airlines
Fri 20/321:14
IAH
-
LGW
1 stop31h 51m
Multiple Airlines
Deal found 23/2£537
Mon 16/314:00
LGW
-
IAH
1 stop35h 20m
Multiple Airlines
Mon 6/421:25
IAH
-
LGW
1 stop30h 35m
Multiple Airlines
Deal found 22/2£538
Mon 16/314:00
LGW
-
IAH
2 stops25h 24m
Multiple Airlines
Fri 3/408:02
IAH
-
LGW
1 stop19h 58m
Multiple Airlines
Deal found 21/2£541
Mon 23/319:25
LGW
-
IAH
2 stops33h 24m
Multiple Airlines
Fri 27/316:30
IAH
-
LGW
1 stop12h 30m
Multiple Airlines
Deal found 20/2£542

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 23 February 2026.

Round-trip from

£531

One-way from

£323

Popular in

July

Cheapest in

September

Average price

£670
7/3-11/3
  • 7/3-11/3
  • 4 total stops
  • 48h 36m total
  • London to Houston
Search Deals
19/4
  • 19/4
  • 2 total stops
  • 39h 20m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 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 23 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 13/4

14:00-10:18

1 stop26h 18m

Houston George Bush Intcntl

Mon 27/4

09:32-10:00

1 stop18h 28m

£584

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 10/6

14:00-16:57

1 stop32h 57m

Houston George Bush Intcntl

Mon 15/6

09:32-10:00

1 stop18h 28m

£707

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 18/4

10:50-19:10

1 stop38h 20m

Houston George Bush Intcntl

Wed 22/4

21:05-22:10

1 stop19h 05m

£725

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 23/4

17:35-12:45

1 stop25h 10m

Houston George Bush Intcntl

Sun 26/4

21:05-22:10

1 stop19h 05m

£725

LondonHouston

STN - IAH

STNIAH

London Stansted

Wed 22/4

06:15-19:10

1 stop18h 55m

Houston George Bush Intcntl

Sat 25/4

21:05-09:55

1 stop30h 50m

£725

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 19/4

07:00-19:10

1 stop18h 10m

Houston George Bush Intcntl

Thu 23/4

21:05-22:25

1 stop19h 20m

£731

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 18/4

10:50-19:10

1 stop38h 20m

Houston George Bush Intcntl

Sun 26/4

21:05-22:10

1 stop19h 05m

£735

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 17/4

06:40-19:10

1 stop18h 30m

Houston George Bush Intcntl

Sat 25/4

21:05-09:55

1 stop30h 50m

£735

LondonHouston

LGW - HOU

LGWHOU

London Gatwick

Wed 15/4

15:40-00:25

2 stops38h 45m

Houston Hobby

Tue 21/4

13:20-14:40

2 stops19h 20m

£765

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 15/4

21:25-00:25

2 stops33h 00m

Houston Hobby

Tue 21/4

13:20-11:55

2 stops16h 35m

£766

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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 20 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 £201). Flying from London to Houston in July is currently the most expensive (average of £664). 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 23 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 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 23 February 2026.
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
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.6
Good
900 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Finnair
7.6
Good
1,367 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
United Airlines
7.4
Good
9,344 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,808 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
British Airways
6.7
Okay
7,762 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Crew

8.1

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

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 12h 53m. Fly via Turkish Airlines, British Airways, or Virgin Atlantic 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 £189. Other airlines that can offer you cheap pricing are KLM, from £315, and Virgin Atlantic, from £383. 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 £302. Users have also found prices from £489 and £523 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 £201). Flying from London to Houston in July is currently the most expensive (average of £664). 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 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£189Average£623FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£315Average£813FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£383Average£703FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£471Average£751FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£498Average£741FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£502Average£721FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£508Average£641FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Austrian AirlinesCheapest£511Average£774FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
IberiaCheapest£541Average£793FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£549Average£582FlexibilityNo 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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