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Cheap flights from London Heathrow Airport to Houston from £368

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 15/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:59
LHR
-
IAH
15h 59m
1 stop
Multiple Airlines Logo
17:24 - 11:10
IAH
-
LHR
12h 46m
1 stop
£518Multiple Airlines
Wed, 25 Feb - Wed, 11 Mar
Multiple Airlines Logo
06:00 - 00:30
LHR
-
IAH
24h 30m
2 stops
Multiple Airlines Logo
16:04 - 21:40
IAH
-
LHR
24h 36m
2 stops
£521Multiple Airlines
Mon, 2 Mar - Mon, 16 Mar
Multiple Airlines Logo
13:05 - 08:37
LHR
-
IAH
25h 32m
3 stops
Multiple Airlines Logo
05:45 - 11:55
IAH
-
LHR
24h 10m
3 stops
£523Multiple Airlines
Thu, 30 Apr - Mon, 4 May
British Airways Logo
10:15 - 19:50
LHR
-
HOU
14h 35m
1 stop
British Airways Logo
12:18 - 06:50
HOU
-
LHR
13h 32m
1 stop
£790British Airways
Wed, 18 Mar - Tue, 24 Mar
Virgin Atlantic Logo
12:30 - 22:42
LHR
-
HOU
15h 12m
1 stop
Virgin Atlantic Logo
17:22 - 11:40
HOU
-
LHR
13h 18m
1 stop
£792Virgin Atlantic
Mon, 16 Mar - Mon, 23 Mar
British Airways Logo
10:15 - 19:50
LHR
-
HOU
14h 35m
1 stop
British Airways Logo
20:20 - 14:25
HOU
-
LHR
12h 05m
1 stop
£793British Airways
Mon, 16 Mar - Mon, 30 Mar
British Airways Logo
08:20 - 15:51
LHR
-
HOU
13h 31m
1 stop
British Airways Logo
20:20 - 14:25
HOU
-
LHR
12h 05m
1 stop
£796British Airways
Mon, 2 Mar - Mon, 30 Mar
Virgin Atlantic Logo
09:20 - 23:06
LHR
-
HOU
19h 46m
1 stop
Virgin Atlantic Logo
10:46 - 06:45
HOU
-
LHR
13h 59m
1 stop
£804Virgin Atlantic
Mon, 13 Apr - Mon, 4 May
British Airways Logo
16:25 - 23:47
LHR
-
HOU
13h 22m
1 stop
British Airways Logo
20:21 - 14:25
HOU
-
LHR
12h 04m
1 stop
£807British Airways
Mon, 13 Apr - Mon, 27 Apr
Virgin Atlantic Logo
08:55 - 22:42
LHR
-
HOU
18h 47m
1 stop
Virgin Atlantic Logo
14:13 - 07:50
HOU
-
LHR
12h 37m
1 stop
£812Virgin Atlantic
Thu, 12 Mar - Tue, 17 Mar

Virgin Atlantic flights from London Heathrow Airport to Houston

Our best Virgin Atlantic deals on London Heathrow Airport to Houston flight tickets
Virgin Atlantic
16 Mar
LHR12:30London Heathrow
15h 12m
1 stop
HOU22:42Houston Hobby
23 Mar
HOU17:22Houston Hobby
13h 18m
1 stop
LHR11:40London Heathrow
£792
Virgin Atlantic
13 Apr
LHR09:20London Heathrow
19h 46m
1 stop
HOU23:06Houston Hobby
4 May
HOU10:46Houston Hobby
13h 59m
1 stop
LHR06:45London Heathrow
£804
Virgin Atlantic
12 Mar
LHR08:55London Heathrow
18h 47m
1 stop
HOU22:42Houston Hobby
17 Mar
HOU14:13Houston Hobby
12h 37m
1 stop
LHR07:50London Heathrow
£812

American Airlines flights from London Heathrow Airport to Houston

Our best American Airlines deals on London Heathrow Airport to Houston flight tickets
American Airlines
2 Mar
LHR11:55London Heathrow
13h 55m
1 stop
HOU19:50Houston Hobby
31 Mar
HOU12:18Houston Hobby
12h 02m
1 stop
LHR06:20London Heathrow
£817
American Airlines
12 Apr
LHR14:25London Heathrow
15h 22m
1 stop
HOU23:47Houston Hobby
28 Apr
HOU12:42Houston Hobby
11h 38m
1 stop
LHR06:20London Heathrow
£864
American Airlines
10 Feb
LHR10:35London Heathrow
13h 31m
1 stop
HOU18:06Houston Hobby
24 Feb
HOU12:18Houston Hobby
12h 32m
1 stop
LHR06:50London Heathrow
£1,102

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 January 2026.
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

Wed 25/2

14:00-23:59

1 stop15h 59m

Houston George Bush Intcntl

Wed 11/3

17:24-11:10

1 stop12h 46m

£518

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 2/3

06:00-00:30

2 stops24h 30m

Houston George Bush Intcntl

Mon 16/3

16:04-21:40

2 stops24h 36m

£521

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 30/4

13:05-08:37

3 stops25h 32m

Houston George Bush Intcntl

Mon 4/5

05:45-11:55

3 stops24h 10m

£523

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 18/3

10:15-19:50

1 stop14h 35m

Houston Hobby

Tue 24/3

12:18-06:50

1 stop13h 32m

£790

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 16/3

12:30-22:42

1 stop15h 12m

Houston Hobby

Mon 23/3

17:22-11:40

1 stop13h 18m

£792

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 16/3

10:15-19:50

1 stop14h 35m

Houston Hobby

Mon 30/3

20:20-14:25

1 stop12h 05m

£793

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 2/3

08:20-15:51

1 stop13h 31m

Houston Hobby

Mon 30/3

20:20-14:25

1 stop12h 05m

£796

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 13/4

09:20-23:06

1 stop19h 46m

Houston Hobby

Mon 4/5

10:46-06:45

1 stop13h 59m

£804

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 13/4

16:25-23:47

1 stop13h 22m

Houston Hobby

Mon 27/4

20:21-14:25

1 stop12h 04m

£807

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 12/3

08:55-22:42

1 stop18h 47m

Houston Hobby

Tue 17/3

14:13-07:50

1 stop12h 37m

£812

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, November 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 £614. If you are unable to visit Houston during the month of November, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around £632.

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 morning when flights can be purchased for as low as £702. In contrast, the most expensive time of day to depart to Houston is at midday when prices are around £709.

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 £710 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 £589 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

2 airports
The fastest flight from London Heathrow Airport to Houston takes 10h 15m
Direct flights go from London Heathrow Airport to Houston every day.
There are 2 airports in Houston. From London Heathrow Airport there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

  • 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
WestJetPriceFrom £186Free CancellationRating
7.2
3,254 reviews
Search WestJet flights
KLMPriceFrom £309Free CancellationRating
7.7
1,444 reviews
Search KLM flights
Virgin AtlanticPriceFrom £376Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £463Free CancellationRating
7.1
606 reviews
Search Icelandair flights
FinnairPriceFrom £481Free CancellationRating
7.6
1,356 reviews
Search Finnair flights
LufthansaPriceFrom £489Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
IberiaPriceFrom £491Free CancellationRating
7.0
3,100 reviews
Search Iberia flights
JetBluePriceFrom £498Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
Austrian AirlinesPriceFrom £502Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
British AirwaysPriceFrom £531Free CancellationRating
6.7
7,706 reviews
Search British Airways 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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