Cheap flights from London Heathrow Airport to Houston from £408

LHR — HOU
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Houston

Tue 1/1217:50 -
2 stops29h 41m
Wed 9/1209:41 -
1 stop14h 44m
Deal found 30/10£541
Thu 3/1212:15 -
3 stops26h 21m
Thu 10/1209:41 -
3 stops27h 49m
Deal found 2/11£546
Tue 1/1217:50 -
2 stops29h 41m
Mon 7/1209:41 -
1 stop14h 44m
Deal found 30/10£549
Tue 1/1217:50 -
2 stops29h 41m
Tue 8/1213:43 -
2 stops34h 42m
Deal found 1/11£552
Wed 2/1211:45 -
3 stops29h 32m
Wed 9/1209:41 -
1 stop14h 44m
Deal found 2/11£558
Thu 26/1106:30 -
3 stops31h 52m
Wed 9/1209:41 -
1 stop14h 44m
Deal found 30/10£558
Fri 20/1113:35 -
1 stop14h 00m
Mon 30/1117:05 -
1 stop12h 55m
Deal found 4/11£564
Wed 16/1206:40 -
3 stops31h 07m
Wed 23/1206:21 -
2 stops27h 39m
Deal found 1/11£568
Wed 2/1212:15 -
3 stops26h 21m
Sun 13/1221:38 -
3 stops31h 12m
Deal found 3/11£569
Wed 18/1107:05 -
3 stops30h 18m
Mon 23/1114:48 -
2 stops19h 12m
Deal found 31/10£570
Thu 19/1113:50 -
1 stop15h 39m
Wed 2/1214:07 -
1 stop12h 08m
Deal found 3/11£678
Fri 20/1111:50 -
1 stop17h 39m
Fri 27/1111:35 -
1 stop13h 15m
Deal found 3/11£698

Find flight deals from Heathrow to Houston

Round-trip from

£541

One-way from

£408

Popular in

June

Cheapest in

February

Average price

£861
1/12-9/12
  • 1/12-9/12
  • 3 total stops
  • 44h 25m total
  • London to Houston
20/11-31/12
  • 20/11-31/12
  • 3 total stops
  • 23h 45m total
  • London to Houston
Highest demand for flights based on searches. 10% potential increase in price (£70 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 November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Sat 28/11

09:55-13:00

3 stops57h 05m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£465

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Mon 16/11

21:35-11:05

2 stops19h 30m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£498

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Wed 23/12

08:50-00:26

2 stops21h 36m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£584

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Mon 14/12

06:40-22:06

2 stops21h 26m

Houston George Bush Intcntl

Thu 28/1

15:56-16:25

3 stops18h 29m

£587

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Fri 11/12

06:40-23:58

2 stops23h 18m

Houston George Bush Intcntl

Sun 17/1

15:56-21:40

2 stops23h 44m

£590

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Thu 19/11

16:30-09:45

2 stops47h 15m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£593

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Tue 8/12

08:15-12:07

3 stops33h 52m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£604

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Tue 10/11

08:15-13:11

3 stops34h 56m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£616

LondonHouston

LHR London Heathrow - HOU Houston Hobby

LHRHOU

London Heathrow

Thu 19/11

14:50-09:32

2 stops24h 42m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£657

LondonHouston

LHR London Heathrow - IAH Houston George Bush Intcntl

LHRIAH

London Heathrow

Tue 17/11

09:20-18:04

1 stop14h 44m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£675

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 40 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Houston

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 £678). Flying from London Heathrow Airport to Houston in December is currently the most expensive (average of £980). 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?

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?

Airfare is below average for this route at the moment.
London Heathrow Airport to Houston flights typically cost between £721 and £959 in December.
The cheapest return price found within the last 5 days was £541 on Multiple Airlines (1 Dec–9 Dec).

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 154 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?

Saturday tends to have the lowest number of delays on this route, whereas Monday 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 10% of flights being delayed.

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

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 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Houston

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

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Overall

7.5

Entertainment

6.8

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Oct 2026

VIE - IAD

Flight was delayed 2 1/2 hours. they told us mechanical. Otherwise, fine service

Related info for your journey

  • 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 £739, Scandinavian Airlines can have you in Houston from London Heathrow Airport in 14h 20m. 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 Frontier is currently your cheapest option to Houston, with prices starting at £50. Additional return tickets that might be worth considering are offered by Finnair and KLM, with the lowest prices starting at £314 and £364, respectively. Frontier is priced at 94% 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 JetBlue, which is currently one of the cheapest options available, starting at £293. Finnair flights start at £493 while deals on Aer Lingus start at £609 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston (average of £678). Flying from London Heathrow Airport to Houston in December is currently the most expensive (average of £980). 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

Top 10 airlines flying from Heathrow to Houston

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£50Average£94FlexibilityNo cancel feeOn-time62%
Search Frontier flights
FinnairCheapest£314Average£836FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£364Average£604FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£387Average£742FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£436Average£612FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£445Average£1,024FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapest£445Average£563FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
JetBlueCheapest£555Average£721FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£563Average£952FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest£567Average£900FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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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.

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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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