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Cheap flights from London Heathrow Airport to Houston from $803

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 23/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Houston

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
08:15 - 17:04
LHR
-
IAH
14h 49m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,212JetBlue
Tue, 8 Sep - Tue, 15 Sep
JetBlue Logo
08:15 - 16:20
LHR
-
IAH
14h 05m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,221JetBlue
Wed, 9 Sep - Tue, 15 Sep
JetBlue Logo
08:15 - 16:20
LHR
-
IAH
14h 05m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,225JetBlue
Wed, 16 Sep - Tue, 29 Sep
Multiple Airlines Logo
06:40 - 23:58
LHR
-
IAH
23h 18m
2 stops
Multiple Airlines Logo
13:15 - 18:30
IAH
-
LHR
23h 15m
2 stops
$1,238Multiple Airlines
Sun, 8 Nov - Mon, 23 Nov
Virgin Atlantic Logo
06:30 - 13:20
LHR
-
IAH
12h 50m
1 stop
Virgin Atlantic Logo
16:37 - 13:15
IAH
-
LHR
14h 38m
1 stop
$1,244Virgin Atlantic
Tue, 11 Aug - Thu, 20 Aug
JetBlue Logo
08:15 - 17:04
LHR
-
IAH
14h 49m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,250JetBlue
Tue, 8 Sep - Wed, 16 Sep
JetBlue Logo
08:15 - 17:04
LHR
-
IAH
14h 49m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,254JetBlue
Tue, 8 Sep - Sun, 20 Sep
Virgin Atlantic Logo
09:40 - 22:05
LHR
-
HOU
18h 25m
2 stops
Virgin Atlantic Logo
17:20 - 11:20
HOU
-
LHR
12h 00m
1 stop
$1,260Virgin Atlantic
Tue, 11 Aug - Thu, 20 Aug
JetBlue Logo
08:15 - 16:20
LHR
-
IAH
14h 05m
1 stop
JetBlue Logo
11:45 - 09:30
IAH
-
LHR
15h 45m
1 stop
$1,260JetBlue
Wed, 9 Sep - Wed, 16 Sep
Virgin Atlantic Logo
09:55 - 22:05
LHR
-
HOU
18h 10m
2 stops
Virgin Atlantic Logo
10:50 - 11:20
HOU
-
LHR
18h 30m
1 stop
$1,276Virgin Atlantic
Wed, 12 Aug - Fri, 21 Aug

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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 Sept
LHR11:00London Heathrow
14h 48m
1 stop
HOU19:48Houston Hobby
17 Sept
HOU20:18Houston Hobby
12h 07m
1 stop
LHR14:25London Heathrow
$1,577
British Airways
17 Sept
LHR16:25London Heathrow
13h 25m
1 stop
HOU23:50Houston Hobby
17 Oct
HOU16:15Houston Hobby
12h 40m
1 stop
LHR10:55London Heathrow
$1,579
British Airways
10 Sept
LHR14:25London Heathrow
15h 25m
1 stop
HOU23:50Houston Hobby
30 Sept
HOU11:46Houston Hobby
12h 34m
1 stop
LHR06:20London Heathrow
$1,580

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets
Delta
9 July
LHR11:45London Heathrow
28h 00m
2 stops
HOU09:45Houston Hobby
10 Sept
HOU14:25Houston Hobby
14h 55m
1 stop
LHR11:20London Heathrow
$2,034
Delta
9 July
LHR11:45London Heathrow
28h 00m
2 stops
HOU09:45Houston Hobby
10 Sept
HOU14:25Houston Hobby
14h 55m
1 stop
LHR11:20London Heathrow
$2,040
Delta
9 July
LHR08:40London Heathrow
19h 11m
2 stops
HOU21:51Houston Hobby
10 Sept
HOU14:25Houston Hobby
10h 50m
1 stop
LHR07:15London Heathrow
$2,043

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 78,305 searches. Data last updated 27 June 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

Cheapest return flight

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 8/9

08:15-17:04

1 stop14h 49m

Houston George Bush Intcntl

Tue 15/9

11:45-09:30

1 stop15h 45m

$1,212

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/9

08:15-16:20

1 stop14h 05m

Houston George Bush Intcntl

Tue 15/9

11:45-09:30

1 stop15h 45m

$1,221

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 16/9

08:15-16:20

1 stop14h 05m

Houston George Bush Intcntl

Tue 29/9

11:45-09:30

1 stop15h 45m

$1,225

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 8/11

06:40-23:58

2 stops23h 18m

Houston George Bush Intcntl

Mon 23/11

13:15-18:30

2 stops23h 15m

$1,238
Fastest return journey

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 11/8

06:30-13:20

1 stop12h 50m

Houston George Bush Intcntl

Thu 20/8

16:37-13:15

1 stop14h 38m

$1,244

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 8/9

08:15-17:04

1 stop14h 49m

Houston George Bush Intcntl

Wed 16/9

11:45-09:30

1 stop15h 45m

$1,250

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 8/9

08:15-17:04

1 stop14h 49m

Houston George Bush Intcntl

Sun 20/9

11:45-09:30

1 stop15h 45m

$1,254

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 11/8

09:40-22:05

2 stops18h 25m

Houston Hobby

Thu 20/8

17:20-11:20

1 stop12h 00m

$1,260

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/9

08:15-16:20

1 stop14h 05m

Houston George Bush Intcntl

Wed 16/9

11:45-09:30

1 stop15h 45m

$1,260

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 12/8

09:55-22:05

2 stops18h 10m

Houston Hobby

Fri 21/8

10:50-11:20

1 stop18h 30m

$1,276

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?

If you aren’t able to travel to Houston during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $157.

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 from London Heathrow Airport 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 $1,537 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 $1,309 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow Airport 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 30m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from London Heathrow Airport to Houston takes 10h 30m
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

Frequently asked questions about flying from London Heathrow Airport to Houston

  • How far is London Heathrow to Houston by plane?

    There are 7778.5 km between London Heathrow and Houston. Flights usually cover this in 10h 30m, depending on flying conditions and air traffic around both airports.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

Once you have performed a search for London to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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