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Cheap flights from London Heathrow Airport to Houston from £392

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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Houston

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 21:47LHR-IAH
21h 07m2 stops
Multiple Airlines Logo
05:45 - 17:00IAH-LHR
29h 15m3 stops
£572Multiple Airlines
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Sat, 15 Nov - Tue, 18 Nov
JetBlue Logo
09:20 - 12:41LHR-IAH
33h 21m1 stop
JetBlue Logo
13:38 - 06:55IAH-LHR
11h 17m1 stop
£574JetBlue
Find Deal
Sat, 15 Nov - Tue, 18 Nov
Icelandair Logo
08:05 - 12:41LHR-IAH
34h 36m2 stops
Icelandair Logo
13:38 - 06:55IAH-LHR
11h 17m1 stop
£594Icelandair
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Sat, 15 Nov - Tue, 18 Nov
Icelandair Logo
09:20 - 09:37LHR-IAH
30h 17m1 stop
Icelandair Logo
13:36 - 06:55IAH-LHR
11h 19m1 stop
£598Icelandair
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Sat, 22 Nov - Sat, 6 Dec
Virgin Atlantic Logo
10:45 - 17:52LHR-HOU
13h 07m1 stop
Virgin Atlantic Logo
15:25 - 09:00HOU-LHR
11h 35m1 stop
£791Virgin Atlantic
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Mon, 8 Dec - Wed, 24 Dec
British Airways Logo
15:00 - 22:46LHR-HOU
13h 46m1 stop
British Airways Logo
16:55 - 10:00HOU-LHR
11h 05m1 stop
£802British Airways
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Mon, 12 Jan - Mon, 19 Jan
Virgin Atlantic Logo
06:30 - 22:48LHR-HOU
22h 18m2 stops
Virgin Atlantic Logo
10:46 - 08:45HOU-LHR
15h 59m2 stops
£814Virgin Atlantic
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Mon, 8 Dec - Wed, 24 Dec
British Airways Logo
10:05 - 20:18LHR-HOU
16h 13m1 stop
British Airways Logo
12:09 - 06:50HOU-LHR
12h 41m1 stop
£815British Airways
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Tue, 9 Dec - Tue, 23 Dec
Iberia Logo
11:55 - 20:20LHR-HOU
14h 25m1 stop
Iberia Logo
12:15 - 06:50HOU-LHR
12h 35m1 stop
£843Iberia
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Wed, 12 Nov - Wed, 19 Nov
Iberia Logo
15:00 - 22:46LHR-HOU
13h 46m1 stop
Iberia Logo
12:47 - 10:00HOU-LHR
15h 13m1 stop
£849Iberia
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Sun, 1 Feb - Wed, 4 Feb

British Airways flights from London Heathrow Airport to Houston

Our best British Airways deals on London Heathrow Airport to Houston flight tickets
British Airways
12 Jan
LHR15:00London Heathrow
13h 46m
1 stop
HOU22:46Houston Hobby
19 Jan
HOU16:55Houston Hobby
11h 05m
1 stop
LHR10:00London Heathrow
£802
Find similar
British Airways
9 Dec
LHR10:05London Heathrow
16h 13m
1 stop
HOU20:18Houston Hobby
23 Dec
HOU12:09Houston Hobby
12h 41m
1 stop
LHR06:50London Heathrow
£815
Find similar
British Airways
12 Feb
LHR16:30London Heathrow
13h 25m
1 stop
HOU23:55Houston Hobby
18 Feb
HOU12:16Houston Hobby
12h 34m
1 stop
LHR06:50London Heathrow
£822
Find similar

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets
Delta
28 Jan
LHR06:30London Heathrow
22h 05m
2 stops
HOU22:35Houston Hobby
4 Feb
HOU17:04Houston Hobby
12h 36m
1 stop
LHR11:40London Heathrow
£820
Find similar
Delta
14 Jan
LHR08:40London Heathrow
19h 55m
2 stops
HOU22:35Houston Hobby
21 Jan
HOU11:09Houston Hobby
15h 36m
2 stops
LHR08:45London Heathrow
£825
Find similar
Delta
8 Dec
LHR08:55London Heathrow
14h 57m
1 stop
HOU17:52Houston Hobby
24 Dec
HOU10:46Houston Hobby
16h 14m
1 stop
LHR09:00London Heathrow
£827
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 31 October 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

Sat 15/11

06:40-21:47

2 stops21h 07m

Houston George Bush Intcntl

Tue 18/11

05:45-17:00

3 stops29h 15m

£572

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 15/11

09:20-12:41

1 stop33h 21m

Houston George Bush Intcntl

Tue 18/11

13:38-06:55

1 stop11h 17m

£574

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 15/11

08:05-12:41

2 stops34h 36m

Houston George Bush Intcntl

Tue 18/11

13:38-06:55

1 stop11h 17m

£594

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 22/11

09:20-09:37

1 stop30h 17m

Houston George Bush Intcntl

Sat 6/12

13:36-06:55

1 stop11h 19m

£598

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 8/12

10:45-17:52

1 stop13h 07m

Houston Hobby

Wed 24/12

15:25-09:00

1 stop11h 35m

£791

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 12/1

15:00-22:46

1 stop13h 46m

Houston Hobby

Mon 19/1

16:55-10:00

1 stop11h 05m

£802

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 8/12

06:30-22:48

2 stops22h 18m

Houston Hobby

Wed 24/12

10:46-08:45

2 stops15h 59m

£814

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 9/12

10:05-20:18

1 stop16h 13m

Houston Hobby

Tue 23/12

12:09-06:50

1 stop12h 41m

£815

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 12/11

11:55-20:20

1 stop14h 25m

Houston Hobby

Wed 19/11

12:15-06:50

1 stop12h 35m

£843

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sun 1/2

15:00-22:46

1 stop13h 46m

Houston Hobby

Wed 4/2

12:47-10:00

1 stop15h 13m

£849

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 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 £628. If you are unable to visit Houston during the month of January, then departing from London Heathrow Airport during the month May is also very affordable. Most momondo users find prices during this month for around £661.

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 £679. 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 £741.

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 £699. In contrast, the most expensive time of day to depart to Houston is in the morning when prices are around £738.

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 £744 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 £603 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 13h 07m.

  • 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 £323Free CancellationRating
7.7
1,406 reviews
Search KLM flights
WestJetPriceFrom £390Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Virgin AtlanticPriceFrom £390Free CancellationRating
7.5
671 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £454Free CancellationRating
7.1
562 reviews
Search Icelandair flights
JetBluePriceFrom £476Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom £490Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom £508Free CancellationRating
6.8
7,543 reviews
Search Lufthansa flights
IberiaPriceFrom £515Free CancellationRating
7.0
3,004 reviews
Search Iberia flights
FinnairPriceFrom £516Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
Austrian AirlinesPriceFrom £523Free CancellationRating
7.6
862 reviews
Search Austrian Airlines 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.

An easier way to manage your Houston trip

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