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Cheap flights from London Heathrow Airport to Houston from £285

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 13/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Houston

Cheap return flights

Logo
06:00 - 05:20LHR-IAH
29h 20m2 stops
Logo
06:44 - 17:45IAH-LHR
29h 01m2 stops
£568
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Tue, 14 Oct - Tue, 21 Oct
Logo
06:00 - 22:26LHR-IAH
22h 26m2 stops
Logo
13:35 - 12:50IAH-LHR
17h 15m1 stop
£569
Find Deal
Sat, 4 Oct - Thu, 4 Dec
United Airlines Logo
08:00 - 17:06LHR-IAH
15h 06m1 stop
United Airlines Logo
06:00 - 05:55IAH-LHR
17h 55m1 stop
£585United Airlines
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Wed, 15 Oct - Wed, 22 Oct
British Airways Logo
06:00 - 20:02LHR-HOU
19h 02m2 stops
British Airways Logo
18:29 - 12:15HOU-LHR
12h 46m1 stop
£587British Airways
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Tue, 10 Mar - Fri, 20 Mar
British Airways Logo
09:35 - 14:05LHR-IAH
10h 30mdirect
British Airways Logo
11:26 - 12:05IAH-LHR
18h 39m1 stop
£597British Airways
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Mon, 23 Feb - Mon, 2 Mar
Lufthansa Logo
09:30 - 18:15LHR-IAH
14h 45m1 stop
Lufthansa Logo
19:05 - 10:15IAH-LHR
9h 10mdirect
£598Lufthansa
Find Deal
Thu, 22 Jan - Sun, 25 Jan
Lufthansa Logo
09:30 - 18:15LHR-IAH
14h 45m1 stop
Lufthansa Logo
16:20 - 07:30IAH-LHR
9h 10mdirect
£599Lufthansa
Find Deal
Tue, 13 Jan - Tue, 27 Jan
United Airlines Logo
07:25 - 16:35LHR-IAH
15h 10m1 stop
United Airlines Logo
16:20 - 07:40IAH-LHR
9h 20mdirect
£607United Airlines
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Tue, 7 Oct - Thu, 16 Oct
Iberia Logo
20:00 - 23:48LHR-HOU
33h 48m2 stops
Iberia Logo
14:24 - 09:00HOU-LHR
12h 36m1 stop
£677Iberia
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Wed, 1 Oct - Tue, 21 Oct
Iberia Logo
16:25 - 23:48LHR-HOU
13h 23m1 stop
Iberia Logo
10:03 - 06:25HOU-LHR
14h 22m1 stop
£684Iberia
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Thu, 2 Oct - Sun, 19 Oct

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets
Delta
24 Sept
LHR09:55London Heathrow
18h 42m
2 stops
HOU22:37Houston Hobby
14 Oct
HOU14:22Houston Hobby
15h 03m
2 stops
LHR11:25London Heathrow
£639
Find similar
Delta
3 Oct
LHR11:30London Heathrow
17h 07m
2 stops
HOU22:37Houston Hobby
7 Oct
HOU14:22Houston Hobby
16h 48m
2 stops
LHR13:10London Heathrow
£643
Find similar
Delta
21 Sept
LHR09:00London Heathrow
19h 37m
2 stops
HOU22:37Houston Hobby
4 Oct
HOU10:44Houston Hobby
16h 11m
2 stops
LHR08:55London Heathrow
£644
Find similar

British Airways flights from London Heathrow Airport to Houston

Our best British Airways deals on London Heathrow Airport to Houston flight tickets
British Airways
10 Mar
LHR06:00London Heathrow
19h 02m
2 stops
HOU20:02Houston Hobby
20 Mar
HOU18:29Houston Hobby
12h 46m
1 stop
LHR12:15London Heathrow
£587
Find similar
British Airways
20 Sept
LHR09:20London Heathrow
10h 15m
IAH13:35Houston George Bush Intcntl
4 Oct
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
£596
Find similar
British Airways
23 Feb
LHR09:35London Heathrow
10h 30m
IAH14:05Houston George Bush Intcntl
2 Mar
IAH11:26Houston George Bush Intcntl
18h 39m
1 stop
LHR12:05London Heathrow
£597
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 15 September 2025.
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

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 14/10

06:00-05:20

2 stops29h 20m

Houston George Bush Intcntl

Tue 21/10

06:44-17:45

2 stops29h 01m

£568

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 4/10

06:00-22:26

2 stops22h 26m

Houston George Bush Intcntl

Thu 4/12

13:35-12:50

1 stop17h 15m

£569

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 15/10

08:00-17:06

1 stop15h 06m

Houston George Bush Intcntl

Wed 22/10

06:00-05:55

1 stop17h 55m

£585

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 10/3

06:00-20:02

2 stops19h 02m

Houston Hobby

Fri 20/3

18:29-12:15

1 stop12h 46m

£587

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 23/2

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

Mon 2/3

11:26-12:05

1 stop18h 39m

£597

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 22/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Sun 25/1

19:05-10:15

Nonstop9h 10m

£598

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 13/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Tue 27/1

16:20-07:30

Nonstop9h 10m

£599

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 7/10

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

Thu 16/10

16:20-07:40

Nonstop9h 20m

£607

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 1/10

20:00-23:48

2 stops33h 48m

Houston Hobby

Tue 21/10

14:24-09:00

1 stop12h 36m

£677

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 2/10

16:25-23:48

1 stop13h 23m

Houston Hobby

Sun 19/10

10:03-06:25

1 stop14h 22m

£684

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from London Heathrow Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Houston?

What is the cheapest month to fly to Houston?

In general, January is the cheapest month to fly from London Heathrow Airport to Houston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £585. If you are unable to visit Houston during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £637.

What is the cheapest day to depart on your flight to Houston?

The cheapest day to depart from London Heathrow Airport to Houston is on a Wednesday. Travellers who choose to depart for Houston on a Wednesday will often find tickets for as low as £660. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is £720.

What is the cheapest time of day to depart on your flight to Houston?

The cheapest time of day to fly to Houston is in the afternoon when flights can be purchased for as low as £674. In contrast, the most expensive time of day to depart to Houston is in the morning when prices are around £713.

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around £712 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as £596 on momondo.

What cabin class options are available on London Heathrow to Houston flights?

There are 4 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time

10h 15m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from London Heathrow Airport to Houston takes 10h 15m
Direct flights go from London Heathrow Airport to Houston every day.
There is 1 airport near Houston: Houston George Bush Intcntl (IAH)
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  • How far is London Heathrow to Houston by plane?

    The distance between London Heathrow and Houston is about 4833.3 mi. In terms of flight time, this usually takes a little over 10h 15m.

  • When did momondo last update prices for flights from London Heathrow Airport to Houston?

    Prices for flights from London Heathrow Airport to Houston were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Houston?

  • How old do you have to be to fly from London Heathrow Airport to Houston?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Houston

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £313Free CancellationRating
7.8
1,385 reviews
Search KLM flights
WestJetPriceFrom £378Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
Virgin AtlanticPriceFrom £379Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £441Free CancellationRating
7.0
544 reviews
Search Icelandair flights
JetBluePriceFrom £451Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom £476Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom £495Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
FinnairPriceFrom £500Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
Austrian AirlinesPriceFrom £508Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
IberiaPriceFrom £519Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

Finding the right flight to Houston from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from London to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Houston.

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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