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Cheap flights from London Heathrow Airport to Houston from £301

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Houston are usually found in February or January, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 13 June 2025.

Round-trip from

£515

One-way from

£301

Popular in

July

Cheapest in

February

Average price

£732
Icelandair
  • Icelandair
  • 29/8-8/9
  • 2 total stops
  • 66h 04m total
  • London to Houston
25/6
  • 25/6
  • 2 total stops
  • 29h 55m total
  • London to Houston
Highest demand for flights based on searches. 17% potential increase in price (£113 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from Heathrow to Houston

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 13 June 2025.

Fri 29/808:25LHR - IAH
1 stop32h 13mIcelandair
Mon 8/914:39IAH - LHR
1 stop33h 51mIcelandair
Deal found 12/6£515
Tue 2/915:05LHR - IAH
2 stops43h 47mMultiple Airlines
Sun 7/905:30IAH - LHR
2 stops32h 50mMultiple Airlines
Deal found 12/6£520
Fri 5/908:25LHR - IAH
1 stop35h 18mJetBlue
Wed 17/914:39IAH - LHR
1 stop33h 51mJetBlue
Deal found 12/6£549
Tue 26/814:50LHR - IAH
Nonstop10h 25mBritish Airways
Tue 16/915:30IAH - LHR
Nonstop9h 10mBritish Airways
Deal found 12/6£589
Wed 27/817:00LHR - IAH
2 stops36h 33mScandinavian Airlines
Tue 23/913:15IAH - LHR
2 stops22h 25mScandinavian Airlines
Deal found 11/6£606
Sat 22/1113:25LHR - IAH
1 stop13h 54mLufthansa
Sat 6/1218:05IAH - LHR
2 stops33h 05mLufthansa
Deal found 12/6£608
Tue 26/810:30LHR - HOU
1 stop15h 29mBritish Airways
Tue 16/914:33HOU - LHR
1 stop12h 27mBritish Airways
Deal found 12/6£614
Tue 2/918:10LHR - IAH
2 stops34h 22mFinnair
Wed 10/914:27IAH - LHR
1 stop12h 33mFinnair
Deal found 11/6£616
Tue 2/910:30LHR - HOU
1 stop13h 30mAmerican Airlines
Wed 10/918:44HOU - LHR
1 stop11h 46mAmerican Airlines
Deal found 12/6£624
Wed 24/915:00LHR - IAH
1 stop13h 00mAmerican Airlines
Thu 2/1018:39IAH - LHR
1 stop11h 36mAmerican Airlines
Deal found 12/6£624
Mon 1/909:20LHR - HOU
1 stop19h 11mVirgin Atlantic
Mon 8/918:34HOU - LHR
2 stops29h 16mVirgin Atlantic
Deal found 11/6£630
Tue 18/1112:10LHR - IAH
1 stop16h 36mVirgin Atlantic
Tue 2/1211:50IAH - LHR
2 stops13h 05mVirgin Atlantic
Deal found 11/6£631

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 13 June 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

Fri 29/8

08:25-10:38

1 stop32h 13m

Houston George Bush Intcntl

Mon 8/9

14:39-06:30

1 stop33h 51m

£515

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 2/9

15:05-04:52

2 stops43h 47m

Houston George Bush Intcntl

Sun 7/9

05:30-20:20

2 stops32h 50m

£520

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 5/9

08:25-13:43

1 stop35h 18m

Houston George Bush Intcntl

Wed 17/9

14:39-06:30

1 stop33h 51m

£549

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 26/8

14:50-19:15

Nonstop10h 25m

Houston George Bush Intcntl

Tue 16/9

15:30-06:40

Nonstop9h 10m

£589

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 27/8

17:00-23:33

2 stops36h 33m

Houston George Bush Intcntl

Tue 23/9

13:15-17:40

2 stops22h 25m

£606

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 22/11

13:25-21:19

1 stop13h 54m

Houston George Bush Intcntl

Sat 6/12

18:05-09:10

2 stops33h 05m

£608

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 26/8

10:30-19:59

1 stop15h 29m

Houston Hobby

Tue 16/9

14:33-09:00

1 stop12h 27m

£614

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 2/9

18:10-22:32

2 stops34h 22m

Houston George Bush Intcntl

Wed 10/9

14:27-09:00

1 stop12h 33m

£616

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 2/9

10:30-18:00

1 stop13h 30m

Houston Hobby

Wed 10/9

18:44-12:30

1 stop11h 46m

£624

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 24/9

15:00-22:00

1 stop13h 00m

Houston George Bush Intcntl

Thu 2/10

18:39-12:15

1 stop11h 36m

£624

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 36 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 June 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 77 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of £765). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £1,114). 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 13 June 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 13% on flights from London Heathrow Airport to Houston by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Houston?

Use this chart to determine the cheapest time to fly return from Heathrow to Houston. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Houston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 June 2025.
To help decide which airline to fly from London to Houston, see what other customers have to say about Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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.

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

    Flying on Icelandair is currently your cheapest option to Houston, with prices starting at £515. Additional return tickets that might be worth considering are offered by JetBlue and Scandinavian Airlines, with the lowest prices starting at £559 and £587, respectively. Icelandair is priced at 28% 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 £503. Avianca flights start at £586 while deals on British Airways start at £613 one-way.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Houston?

  • Where are the least popular stopover locations for London Heathrow Airport to Houston flights?

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of £765). Flying from London Heathrow Airport to Houston in July is currently the most expensive (average of £1,114). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£378Average£467FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£378Average£748FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£440Average£584FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£450Average£558FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Scandinavian AirlinesCheapest£475Average£634FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£484Average£775FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£494Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£518Average£777FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£527Average£963FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapest£539Average£817FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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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