Cheap flights from London Heathrow Airport to Houston from £286

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in January or November, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Heathrow to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Houston
Explore the most affordable flight options available from Heathrow to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

Wed 31/1206:35LHR - IAH
1 stop18h 35mTurkish Airlines
Wed 18/322:05IAH - LHR
1 stop19h 20mTurkish Airlines
Deal found 26/12£1,000
Fri 26/1218:30LHR - IAH
2 stops34h 46mMultiple Airlines
Sat 31/119:27IAH - LHR
1 stop18h 43mMultiple Airlines
Deal found 26/12£1,052
Sat 27/1217:45LHR - IAH
1 stop25h 25mMultiple Airlines
Sat 31/114:43IAH - LHR
2 stops40h 07mMultiple Airlines
Deal found 27/12£1,068
Tue 30/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Tue 6/116:30IAH - LHR
1 stop14h 20mMultiple Airlines
Deal found 26/12£1,070
Wed 31/1212:05LHR - IAH
Nonstop10h 45mAustrian Airlines
Wed 18/317:20IAH - LHR
Nonstop9h 10mAustrian Airlines
Deal found 26/12£1,143
Wed 31/1211:55LHR - HOU
1 stop13h 50mAmerican Airlines
Tue 6/112:47HOU - LHR
1 stop13h 48mAmerican Airlines
Deal found 26/12£1,260
Tue 30/1208:20LHR - HOU
1 stop13h 29mBritish Airways
Tue 6/116:55HOU - LHR
1 stop11h 05mBritish Airways
Deal found 26/12£1,293
Wed 31/1206:30LHR - HOU
2 stops19h 54mDelta
Tue 6/111:09HOU - LHR
2 stops15h 36mDelta
Deal found 26/12£1,321
Fri 26/1218:10LHR - HOU
2 stops31h 34mBritish Airways
Sat 31/112:49HOU - LHR
1 stop12h 01mBritish Airways
Deal found 26/12£1,380
Sat 27/1219:15LHR - HOU
2 stops34h 31mBritish Airways
Sat 31/116:55HOU - LHR
1 stop11h 05mBritish Airways
Deal found 27/12£1,415
Wed 31/1207:35LHR - HOU
2 stops38h 12mBritish Airways
Sun 4/120:16HOU - LHR
1 stop28h 34mBritish Airways
Deal found 27/12£1,555
Sat 27/1210:45LHR - HOU
1 stop18h 26mDelta
Wed 31/1210:46HOU - LHR
1 stop15h 04mDelta
Deal found 27/12£1,647

Find flight deals from Heathrow to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 28 December 2025.

Round-trip from

£575

One-way from

£286

Popular in

July

Cheapest in

January

Average price

£866
British Airways
  • British Airways
  • 1/5-3/5
  • Nonstop
  • 19h 50m total
  • London to Houston
25/2
  • 25/2
  • 2 total stops
  • 20h 04m total
  • London to Houston
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 28 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

Fly from

Heathrow

Fly to

Houston

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Wed 28/1

19:05-10:15

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 10/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Tue 17/2

16:20-07:30

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Thu 26/2

16:20-07:30

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 6/2

09:00-21:39

2 stops18h 39m

Houston George Bush Intcntl

Mon 9/2

12:10-20:35

2 stops26h 25m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Wed 28/1

19:05-10:15

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 11/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Wed 18/2

19:05-10:15

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 6/2

08:30-18:15

1 stop15h 45m

Houston George Bush Intcntl

Mon 9/2

19:05-10:15

Nonstop9h 10m

£578

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 11/2

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

Wed 18/2

15:50-06:50

Nonstop9h 00m

£582

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

15:25-20:00

Nonstop10h 35m

Houston George Bush Intcntl

Sun 25/1

18:10-11:40

1 stop11h 30m

£582

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 16/3

07:30-20:47

2 stops18h 17m

Houston George Bush Intcntl

Mon 30/3

11:55-06:45

1 stop12h 50m

£582

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 41 results
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Best time to book a flight from Heathrow to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Heathrow 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 Heathrow Airport to Houston

How far ahead should I book a flight from London Heathrow Airport to Houston?

Use this chart to determine the optimal time to book a return flight from Heathrow to Houston. Price data was last updated on 26 December 2025.

The price you pay for your flight from London Heathrow Airport to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Houston?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of £416). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £625). 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 LHR to HOU?

Find hourly flight availability from Heathrow 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 28 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from London Heathrow Airport to Houston by exploring options for tickets in the evening.

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 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 28 December 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston, such as Austrian Airlines, Finnair, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Entertainment

6.8

Food

6.8

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Heathrow to Houston flights?

    Houston George Bush Intercontinental Airport (IAH) is the termination point for flights to Houston from London Heathrow Airport (LHR). Houston George Bush is the primary gateway to the city of Houston, about 23 miles away. It is the second busiest airport in the state of Texas and uses five commercial terminals, at least two of which service international air traffic. Heathrow is one of the world’s top five busiest airports and the primary gateway to the city of London and the rest of the UK. It is located about 14 miles outside Central London, employs four terminals and is the main hub for British Airways and Virgin Atlantic.

  • Which airlines fly directly from Heathrow to Houston?

    If you’re seeking direct flights to Houston, there are at least two airlines (British Airways and Finnair) providing non-stop service on this route. Both airlines require similar flight times, with an average duration of about 10h 25min. Finnair and British Airways also offer daily departures, primarily mid-morning, from London Heathrow. Various additional routes between the two cities, involving one or more stopovers, are operated by a number of airlines. Examples include KLM flights via Amsterdam and Atlanta or SWISS flights via Zurich and Washington, DC.

  • What are the stopover options between Heathrow and Houston?

    If you’re flying to Houston from Heathrow with Virgin Atlantic, you should expect stopovers at Amsterdam Schiphol Airport (AMS), Paris Charles de Gaulle Airport (CDG) or Atlanta’s Hartsfield-Jackson Airport (ATL) en route. Stopovers at Amsterdam last just over 1h, while those at Paris range from 1h to 1h 25min. Virgin Atlantic’s US connection via Atlanta Hartsfield involves layovers of between 2h and 3h 40min. Passengers on board Lufthansa flights should anticipate stopovers at Frankfurt am Main Airport (FRA) to last between 1h to around 2h 45min. The airline also offers a connection via Orlando Airport (ORL), with layovers lasting approximately 2h on average. Be advised that most connecting flights require plane transfers, while some involve overnight stays. In some cases, one-stop flights are cheaper than flying direct, whilst direct flights are often marginally cheaper than those requiring multiple connections.

  • Do I need a passport or visa to fly from Heathrow to Houston?

    UK citizens benefit from being part of the US visa waiver program, but you will need an electronic permit (ESTA) along with a valid UK passport to enter the country. ESTAs can be obtained online from the US Government’s official ESTA website. The processing time can be as little as one hour, with processing fees of approximately $14 (around £10) per person. Travellers holding dual citizenship on flights to Houston from Heathrow must use their US passports when entering the country.

  • How long is the flight from London Heathrow Airport to Houston?

    For as low as £586, Lufthansa can have you in Houston from London Heathrow Airport in 13h 52m. The distance between London Heathrow Airport and Houston is about 4835 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Houston round-trip?

    Flying on WestJet is currently your cheapest option to Houston, with prices starting at £169. Additional return tickets that might be worth considering are offered by KLM and Virgin Atlantic, with the lowest prices starting at £315 and £380, respectively. WestJet is priced at 76% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Houston one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £255. Lufthansa flights start at £523 while deals on Austrian Airlines start at £537 one-way.

  • Can I find deals for flights from Heathrow to Houston that include hotel bookings?

    Yes. In addition to deals on Heathrow to Houston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Houston.

  • Can I find deals for business class flights from Heathrow to Houston?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Houston?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of £416). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £625). 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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Top 10 airlines flying from Heathrow to Houston

Discover the top 10 airlines that operate flights from Heathrow 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£315Average£837FlexibilityNo cancel feeOn-time75%
Search KLM flights
WestJetCheapest£380Average£589FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£380Average£731FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£471Average£742FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£477Average£613FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£492Average£740FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£500Average£786FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£502Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Austrian AirlinesCheapest£508Average£793FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
British AirwaysCheapest£528Average£700FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Houston?

When you search for this flight from Heathrow to Houston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Houston?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Houston with no change fees?

Certainly. Search results for flights to Houston from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Houston become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Houston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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