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Cheap flights from London Heathrow Airport to Houston from £295

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
16 3월 — 23 3월1
1 adult

The best prices from London Heathrow to Houston are usually found in February or January, booked 50 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 11 3월 2025.

Round-trip from

£527

One-way from

£300

Popular in

August

Cheapest in

February

Average price

£766
1/4-8/4
  • 1/4-8/4
  • 6 total stops
  • 45h 23m total
  • London to Houston
16/6
  • 16/6
  • 2 total stops
  • 49h 52m total
  • London to Houston
Highest demand for flights based on searches. 14% potential increase in price (£97 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in March 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 11 3월 2025.

화 1/413:45LHR - IAH
3 stops26h 28mMultiple Airlines
화 8/405:35IAH - LHR
3 stops18h 55mMultiple Airlines
Deal found 10/3£527
토 22/1107:40LHR - IAH
1 stop15h 00mLufthansa
토 6/1221:30IAH - LHR
1 stop27h 55mLufthansa
Deal found 10/3£530
월 5/509:25LHR - IAH
Nonstop10h 15mFinnair
목 8/512:09IAH - LHR
1 stop15h 16mFinnair
Deal found 10/3£539
화 16/908:25LHR - IAH
1 stop16h 07mIcelandair
목 2/1019:30IAH - LHR
1 stop29h 00mIcelandair
Deal found 10/3£576
목 27/309:30LHR - IAH
Nonstop10h 40mIberia
화 8/411:56IAH - LHR
1 stop15h 29mIberia
Deal found 10/3£595
월 5/508:25LHR - IAH
1 stop15h 38mJetBlue
화 4/1112:15IAH - LHR
1 stop11h 40mJetBlue
Deal found 10/3£610
목 24/409:25LHR - IAH
Nonstop10h 15mBritish Airways
화 24/611:05IAH - LHR
1 stop13h 50mBritish Airways
Deal found 9/3£672
목 13/306:35LHR - IAH
1 stop18h 50mTurkish Airlines
월 17/322:20IAH - LHR
1 stop36h 50mTurkish Airlines
Deal found 10/3£693
목 27/316:30LHR - IAH
2 stops25h 26mAmerican Airlines
월 7/415:25IAH - LHR
Nonstop9h 15mAmerican Airlines
Deal found 10/3£709
목 27/314:10LHR - HOU
1 stop14h 43mBritish Airways
화 8/418:31HOU - LHR
1 stop12h 14mBritish Airways
Deal found 10/3£730
화 22/420:55LHR - HOU
2 stops26h 53mVirgin Atlantic
수 30/414:45HOU - LHR
1 stop34h 00mVirgin Atlantic
Deal found 10/3£738
목 20/311:45LHR - HOU
2 stops26h 51mDelta
수 2/418:45HOU - LHR
1 stop12h 45mDelta
Deal found 10/3£752

Find flights from Heathrow to Houston within your budget

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 11 3월 2025.

Fly from

Heathrow

Fly to

Houston

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

화 1/4

13:45-10:13

3 stops26h 28m

Houston George Bush Intcntl

화 8/4

05:35-06:30

3 stops18h 55m

£527

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

월 5/5

14:25-23:22

1 stop14h 57m

Houston George Bush Intcntl

월 19/5

12:09-11:00

1 stop16h 51m

£542

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

수 30/4

08:25-18:03

1 stop15h 38m

Houston George Bush Intcntl

월 5/5

15:20-09:30

1 stop12h 10m

£556

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

수 16/4

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

토 26/4

20:30-07:25

1 stop28h 55m

£557

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

수 30/4

08:25-18:03

1 stop15h 38m

Houston George Bush Intcntl

월 5/5

18:58-09:30

2 stops32h 32m

£577

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

목 27/3

09:30-15:10

Nonstop10h 40m

Houston George Bush Intcntl

화 8/4

11:56-09:25

1 stop15h 29m

£595

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

목 24/4

09:25-13:40

Nonstop10h 15m

Houston George Bush Intcntl

화 24/6

11:05-06:55

1 stop13h 50m

£672

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

수 26/3

06:35-20:25

1 stop18h 50m

Houston George Bush Intcntl

수 9/4

21:00-20:50

1 stop17h 50m

£707

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

목 27/3

16:30-12:56

2 stops25h 26m

Houston George Bush Intcntl

월 7/4

15:25-06:40

Nonstop9h 15m

£709

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

목 27/3

14:10-23:53

1 stop14h 43m

Houston Hobby

화 8/4

18:31-12:45

1 stop12h 14m

£730

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 40 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.

Travel insights for flights from Heathrow to Houston

Get recent, data-driven insights about flights from Heathrow to Houston including ideal travel times, pricing trends, and more.

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 7 March 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 50 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 11 3월 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 11 3월 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.

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Finnair is currently your cheapest option to Houston, with prices starting at £539. Additional return tickets that might be worth considering are offered by Lufthansa and Icelandair, with the lowest prices starting at £573 and £584, respectively. Finnair is priced at 29% 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 £399. Icelandair flights start at £638 while deals on Aer Lingus start at £692 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

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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 11 3월 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£366Average£558FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£398Average£681FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£474Average£601FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Scandinavian AirlinesCheapest£500Average£664FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IberiaCheapest£510Average£827FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£520Average£656FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£524Average£770FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£528Average£824FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£558Average£1,002FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£595Average£870FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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