Cheap flights from London Heathrow Airport to Houston from £390

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 January 2026.

Round-trip from

£525

One-way from

£390

Popular in

July

Cheapest in

November

Average price

£652
21/2-1/3
  • 21/2-1/3
  • 2 total stops
  • 37h 26m total
  • London to Houston
21/5
  • 21/5
  • 3 total stops
  • 38h 46m total
  • London to Houston
Highest demand for flights based on searches. 13% potential increase in price (£83 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find 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 14 January 2026.

Sat 21/211:20
LHR
-
IAH
1 stop19h 10m
Multiple Airlines
Sun 1/316:34
IAH
-
LHR
1 stop18h 16m
Multiple Airlines
Deal found 14/1£525
Thu 22/112:15
LHR
-
IAH
3 stops26h 25m
Multiple Airlines
Thu 5/211:38
IAH
-
LHR
2 stops17h 12m
Multiple Airlines
Deal found 14/1£526
Thu 29/116:10
LHR
-
IAH
2 stops30h 23m
Iberia
Mon 2/216:50
IAH
-
LHR
1 stop12h 50m
Iberia
Deal found 14/1£528
Fri 6/312:15
LHR
-
IAH
3 stops28h 56m
Multiple Airlines
Sun 22/307:05
IAH
-
LHR
2 stops22h 45m
Multiple Airlines
Deal found 14/1£528
Sun 15/316:30
LHR
-
IAH
2 stops29h 55m
Iberia
Mon 23/306:31
IAH
-
LHR
1 stop24h 29m
Iberia
Deal found 14/1£529
Sun 1/213:00
LHR
-
IAH
2 stops25h 40m
Multiple Airlines
Sun 15/205:46
IAH
-
LHR
2 stops19h 24m
Multiple Airlines
Deal found 14/1£531
Tue 14/409:55
LHR
-
IAH
2 stops35h 20m
Multiple Airlines
Tue 5/518:38
IAH
-
LHR
1 stop19h 32m
Multiple Airlines
Deal found 12/1£532
Wed 11/220:05
LHR
-
IAH
2 stops34h 25m
Multiple Airlines
Wed 18/221:18
IAH
-
LHR
3 stops32h 32m
Multiple Airlines
Deal found 14/1£534
Tue 10/309:00
LHR
-
IAH
2 stops17h 44m
Air Canada
Wed 25/312:10
IAH
-
LHR
2 stops15h 20m
Air Canada
Deal found 12/1£534
Wed 18/210:25
LHR
-
IAH
1 stop16h 58m
United Airlines
Sat 7/316:20
IAH
-
LHR
Nonstop9h 10m
United Airlines
Deal found 13/1£535
Sat 31/109:20
LHR
-
IAH
1 stop32h 19m
JetBlue
Thu 5/212:24
IAH
-
LHR
1 stop12h 31m
JetBlue
Deal found 14/1£536
Sat 14/210:45
LHR
-
IAH
1 stop14h 49m
Multiple Airlines
Tue 24/207:21
IAH
-
LHR
2 stops17h 04m
Multiple Airlines
Deal found 14/1£537

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 14 January 2026.
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

Mon 9/2

06:30-18:15

1 stop17h 45m

Houston George Bush Intcntl

Mon 16/2

19:05-10:15

Nonstop9h 10m

£577

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 1/2

20:05-20:31

2 stops30h 26m

Houston George Bush Intcntl

Sun 15/2

12:11-11:15

2 stops17h 04m

£578

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 5/2

10:35-18:06

1 stop13h 31m

Houston Hobby

Thu 12/2

16:21-10:00

1 stop11h 39m

£585

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 26/1

10:05-18:06

1 stop14h 01m

Houston Hobby

Sun 26/4

20:21-14:25

1 stop12h 04m

£585

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 18/2

08:20-15:51

1 stop13h 31m

Houston Hobby

Mon 2/3

12:18-06:50

1 stop12h 32m

£585

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 26/2

16:30-23:58

1 stop13h 28m

Houston Hobby

Thu 5/3

12:18-06:50

1 stop12h 32m

£586

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 29/1

14:45-22:46

1 stop14h 01m

Houston Hobby

Mon 2/2

18:36-12:15

1 stop11h 39m

£587

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 17/2

08:20-15:51

1 stop13h 31m

Houston Hobby

Wed 25/2

16:21-11:40

1 stop13h 19m

£587

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 13/3

14:10-23:53

1 stop14h 43m

Houston George Bush Intcntl

Sat 21/3

22:50-12:50

Nonstop9h 00m

£587

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 28/4

14:45-19:15

Nonstop10h 30m

Houston George Bush Intcntl

Tue 12/5

21:05-12:25

Nonstop9h 20m

£593

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 42 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 9 January 2026.

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 75 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 £263). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £654). 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 14 January 2026.

When flying from London Heathrow Airport 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 Heathrow Airport 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 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 14 January 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston, such as Finnair, Austrian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.6

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 £585, United Airlines can have you in Houston from London Heathrow Airport in 13h 31m. 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 £189. Additional return tickets that might be worth considering are offered by Virgin Atlantic and KLM, with the lowest prices starting at £389 and £438, respectively. WestJet is priced at 73% 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 £256. Finnair flights start at £491 while deals on Lufthansa start at £525 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 £263). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £654). 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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£189Average£626FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£389Average£723FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£438Average£792FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£473Average£753FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£486Average£623FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£498Average£742FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£499Average£662FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£502Average£798FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Austrian AirlinesCheapest£510Average£788FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
British AirwaysCheapest£532Average£710FlexibilityNo 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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