Cheap flights from London to Houston from £306

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
15 Mar — 22 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 13 February 2026.

Sun 15/313:00
LGW
-
IAH
2 stops33h 13m
Multiple Airlines
Sat 21/311:16
IAH
-
LGW
1 stop17h 49m
Multiple Airlines
Deal found 11/2£531
Tue 7/406:40
LHR
-
IAH
3 stops23h 09m
Multiple Airlines
Tue 14/407:05
IAH
-
LHR
2 stops32h 15m
Multiple Airlines
Deal found 12/2£531
Mon 16/311:55
LGW
-
IAH
3 stops32h 32m
Multiple Airlines
Mon 23/305:15
IAH
-
LGW
3 stops24h 40m
Multiple Airlines
Deal found 12/2£533
Sat 7/306:40
LHR
-
IAH
3 stops22h 29m
Multiple Airlines
Wed 11/305:46
IAH
-
LHR
3 stops26h 09m
Multiple Airlines
Deal found 13/2£533
Fri 6/314:00
LGW
-
IAH
1 stop23h 29m
Multiple Airlines
Sat 11/705:50
IAH
-
LGW
1 stop18h 30m
Multiple Airlines
Deal found 11/2£533
Mon 2/314:00
LGW
-
IAH
1 stop27h 11m
Multiple Airlines
Mon 16/307:05
IAH
-
LGW
1 stop17h 55m
Multiple Airlines
Deal found 11/2£534
Thu 5/314:00
LGW
-
IAH
1 stop14h 41m
Multiple Airlines
Thu 16/705:50
IAH
-
LGW
1 stop18h 30m
Multiple Airlines
Deal found 11/2£536
Sat 30/514:00
LGW
-
IAH
1 stop14h 30m
Multiple Airlines
Mon 27/711:19
IAH
-
LGW
1 stop17h 36m
Multiple Airlines
Deal found 11/2£537
Thu 26/214:00
LGW
-
IAH
1 stop14h 41m
Multiple Airlines
Thu 3/905:50
IAH
-
LGW
1 stop18h 30m
Multiple Airlines
Deal found 11/2£538
Mon 2/314:50
LHR
-
IAH
1 stop32h 40m
Multiple Airlines
Tue 24/307:05
IAH
-
LHR
2 stops18h 25m
Multiple Airlines
Deal found 10/2£538
Mon 2/314:00
LGW
-
IAH
1 stop27h 11m
Multiple Airlines
Thu 3/905:50
IAH
-
LGW
1 stop18h 30m
Multiple Airlines
Deal found 11/2£538
Thu 12/314:00
LGW
-
IAH
1 stop25h 18m
Multiple Airlines
Thu 19/321:15
IAH
-
LGW
1 stop31h 45m
Multiple Airlines
Deal found 12/2£541

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 13 February 2026.

Round-trip from

£531

One-way from

£306

Popular in

July

Cheapest in

September

Average price

£661
15/3-21/3
  • 15/3-21/3
  • 3 total stops
  • 51h 02m total
  • London to Houston
13/3
  • 13/3
  • 2 total stops
  • 38h 52m total
  • London to Houston
Highest demand for flights based on searches. 11% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 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 13 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

Thu 19/3

14:00-10:18

1 stop25h 18m

Houston George Bush Intcntl

Thu 26/3

16:30-10:00

1 stop12h 30m

£584

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 24/3

07:40-20:52

3 stops42h 12m

Houston George Bush Intcntl

Mon 13/4

11:41-00:20

3 stops30h 39m

£665

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 24/2

07:20-23:59

3 stops46h 39m

Houston George Bush Intcntl

Fri 27/2

07:05-06:00

1 stop16h 55m

£684

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 27/6

10:50-19:10

1 stop38h 20m

Houston George Bush Intcntl

Wed 1/7

14:30-09:55

1 stop37h 25m

£684

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 23/6

06:15-19:10

1 stop18h 55m

Houston George Bush Intcntl

Fri 17/7

21:05-16:50

1 stop37h 45m

£703

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 26/2

10:20-19:10

1 stop38h 50m

Houston George Bush Intcntl

Mon 2/3

21:05-09:20

1 stop30h 15m

£708

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 23/6

07:00-19:10

1 stop18h 10m

Houston George Bush Intcntl

Fri 17/7

14:30-16:40

1 stop20h 10m

£709

LondonHouston

STN - IAH

STNIAH

London Stansted

Mon 2/3

21:20-14:10

2 stops22h 50m

Houston George Bush Intcntl

Mon 16/3

17:30-16:55

2 stops18h 25m

£711

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 2/4

08:15-23:54

3 stops21h 39m

Houston George Bush Intcntl

Tue 26/5

12:00-12:45

2 stops18h 45m

£716

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 23/6

06:15-19:10

1 stop18h 55m

Houston George Bush Intcntl

Thu 16/7

21:05-09:55

1 stop30h 50m

£716

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 6 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 £657). 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 13 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 13 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.

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

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 14h 25m. Fly via Turkish Airlines, Scandinavian Airlines, or Lufthansa to get the fastest option. There are 4840 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 £187. Other airlines that can offer you cheap pricing are KLM, from £312, and Virgin Atlantic, from £379. 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 £300. Users have also found prices from £485 and £518 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, 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 £657). 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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£187Average£617FlexibilityNo cancel feeOn-time60%
Search WestJet flights
KLMCheapest£312Average£805FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£379Average£694FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£467Average£744FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£485Average£696FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£493Average£732FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£495Average£792FlexibilityNo cancel feeOn-time77%
Search Iberia flights
JetBlueCheapest£504Average£636FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Austrian AirlinesCheapest£506Average£763FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air CanadaCheapest£544Average£577FlexibilityNo 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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