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Cheap flights from London Heathrow Airport to Houston from $487

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 5/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 12:57 am
LHR
-
IAH
24h 57m
2 stops
Multiple Airlines Logo
11:38 am - 5:50 pm
IAH
-
LHR
24h 12m
3 stops
$715Multiple Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
10:50 am - 7:04 pm
LHR
-
IAH
14h 14m
1 stop
Multiple Airlines Logo
12:16 pm - 10:15 am
IAH
-
LHR
15h 59m
2 stops
$718Multiple Airlines
Wed, Feb 18 - Tue, Feb 24
Multiple Airlines Logo
11:20 am - 11:49 pm
LHR
-
IAH
18h 29m
1 stop
Multiple Airlines Logo
5:23 pm - 12:35 pm
IAH
-
LHR
13h 12m
1 stop
$719Multiple Airlines
Wed, Apr 8 - Thu, Apr 16
Multiple Airlines Logo
12:05 pm - 10:36 am
LHR
-
IAH
27h 31m
3 stops
Multiple Airlines Logo
4:22 pm - 7:10 am
IAH
-
LHR
33h 48m
3 stops
$723Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
JetBlue Logo
9:20 am - 2:01 pm
LHR
-
IAH
34h 41m
1 stop
JetBlue Logo
2:55 pm - 6:55 am
IAH
-
LHR
34h 00m
1 stop
$724JetBlue
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
2:50 pm - 5:54 am
LHR
-
IAH
21h 04m
2 stops
Multiple Airlines Logo
3:37 pm - 5:30 pm
IAH
-
LHR
19h 53m
3 stops
$725Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Air Canada Logo
2:10 pm - 10:01 pm
LHR
-
IAH
13h 51m
1 stop
Air Canada Logo
11:45 am - 9:35 am
IAH
-
LHR
15h 50m
1 stop
$727Air Canada
Tue, Jun 23 - Thu, Jul 16
Multiple Airlines Logo
2:50 pm - 12:45 pm
LHR
-
IAH
26h 55m
1 stop
Multiple Airlines Logo
7:05 am - 12:40 pm
IAH
-
LHR
24h 35m
2 stops
$730Multiple Airlines
Tue, Mar 10 - Thu, Mar 19
Multiple Airlines Logo
11:20 am - 12:30 am
LHR
-
IAH
19h 10m
1 stop
Multiple Airlines Logo
4:34 pm - 4:50 pm
IAH
-
LHR
18h 16m
1 stop
$731Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
British Airways Logo
9:10 am - 1:25 pm
LHR
-
IAH
10h 15mnonstop
British Airways Logo
9:05 pm - 12:25 pm
IAH
-
LHR
9h 20mnonstop
$732British Airways
Tue, Jun 23 - Thu, Jul 16

Lufthansa flights from London Heathrow Airport to Houston George Bush Intcntl Airport

Our best Lufthansa deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
Lufthansa
Mar 8
LHR7:40 amLondon Heathrow
14h 50m
1 stop
IAH4:30 pmHouston George Bush Intcntl
Mar 22
IAH5:20 pmHouston George Bush Intcntl
9h 10m
LHR7:30 amLondon Heathrow
$752
Lufthansa
Mar 8
LHR7:40 amLondon Heathrow
14h 50m
1 stop
IAH4:30 pmHouston George Bush Intcntl
Mar 22
IAH5:30 pmHouston George Bush Intcntl
12h 15m
1 stop
LHR10:45 amLondon Heathrow
$758
Lufthansa
Mar 9
LHR7:40 amLondon Heathrow
14h 50m
1 stop
IAH5:30 pmHouston George Bush Intcntl
Mar 26
IAH8:05 pmHouston George Bush Intcntl
9h 10m
LHR10:15 amLondon Heathrow
$762

Virgin Atlantic flights from London Heathrow Airport to Houston George Bush Intcntl Airport

Our best Virgin Atlantic deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
Virgin Atlantic
Feb 11
LHR5:05 pmLondon Heathrow
26h 25m
1 stop
IAH1:30 pmHouston George Bush Intcntl
Feb 18
IAH12:42 pmHouston George Bush Intcntl
16h 58m
1 stop
LHR11:40 amLondon Heathrow
$773
Virgin Atlantic
Feb 3
LHR6:30 amLondon Heathrow
13h 00m
1 stop
IAH1:30 pmHouston George Bush Intcntl
Feb 12
IAH12:42 pmHouston George Bush Intcntl
11h 43m
1 stop
LHR6:25 amLondon Heathrow
$787
Virgin Atlantic
Feb 7
LHR6:30 amLondon Heathrow
13h 00m
1 stop
IAH1:30 pmHouston George Bush Intcntl
Feb 22
IAH6:38 amHouston George Bush Intcntl
18h 27m
1 stop
LHR7:05 amLondon Heathrow
$811

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Houston George Bush Intcntl Airport 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 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 5/1

6:00 am-12:57 am

2 stops24h 57m

Houston George Bush Intcntl

Tue 5/5

11:38 am-5:50 pm

3 stops24h 12m

$715

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 2/18

10:50 am-7:04 pm

1 stop14h 14m

Houston George Bush Intcntl

Tue 2/24

12:16 pm-10:15 am

2 stops15h 59m

$718

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 4/8

11:20 am-11:49 pm

1 stop18h 29m

Houston George Bush Intcntl

Thu 4/16

5:23 pm-12:35 pm

1 stop13h 12m

$719

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 3/13

12:05 pm-10:36 am

3 stops27h 31m

Houston George Bush Intcntl

Fri 3/20

4:22 pm-7:10 am

3 stops33h 48m

$723

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 2/18

9:20 am-2:01 pm

1 stop34h 41m

Houston George Bush Intcntl

Wed 2/25

2:55 pm-6:55 am

1 stop34h 00m

$724

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 2/24

2:50 pm-5:54 am

2 stops21h 04m

Houston George Bush Intcntl

Tue 3/3

3:37 pm-5:30 pm

3 stops19h 53m

$725

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/23

2:10 pm-10:01 pm

1 stop13h 51m

Houston George Bush Intcntl

Thu 7/16

11:45 am-9:35 am

1 stop15h 50m

$727

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/10

2:50 pm-12:45 pm

1 stop26h 55m

Houston George Bush Intcntl

Thu 3/19

7:05 am-12:40 pm

2 stops24h 35m

$730

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 2/21

11:20 am-12:30 am

1 stop19h 10m

Houston George Bush Intcntl

Sat 2/28

4:34 pm-4:50 pm

1 stop18h 16m

$731

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/23

9:10 am-1:25 pm

Nonstop10h 15m

Houston George Bush Intcntl

Thu 7/16

9:05 pm-12:25 pm

Nonstop9h 20m

$732

Flights are sorted by cheapest round-trip 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 George Bush Intcntl Airport

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 George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of January is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from London Heathrow Airport, with most prices found around $820. If you are unable to visit Houston George Bush Intcntl Airport 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 $851.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from London Heathrow Airport to Houston George Bush Intcntl Airport is on a Sunday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Sunday will often find tickets for as low as $914. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Friday is $1,081.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest London Heathrow Airport to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $963. Try not to purchase tickets in the morning because they tend to be around $998. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Houston George Bush Intcntl flight route?

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

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $1,000 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from London Heathrow Airport for as low as $884 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Houston George Bush Intcntl Airport flight prices changed over time?

As of January 2026, prices for London Heathrow Airport to Houston George Bush Intcntl Airport flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Houston George Bush Intcntl Airport (LHR to IAH) flight deals and tips

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

Best Price Found

$721

Fastest flight time

10h 15m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from London Heathrow Airport in the past 72 hours is $721. The best round-trip flight deal from London Heathrow Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $781.
The fastest flight from London Heathrow Airport to Houston George Bush Intcntl Airport takes 10h 15m
Direct flights go from London Heathrow Airport to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is London Heathrow to Houston George Bush Intcntl by plane?

    A flight from London Heathrow to Houston George Bush Intcntl will travel around 4820.4 mi. By plane, this route typically takes 10h 15m.

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

    Prices for flights from London Heathrow Airport to Houston George Bush Intcntl Airport are updated daily.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The required travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston George Bush Intcntl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Houston George Bush Intcntl Airport?

  • What is the most popular airline from London Heathrow Airport to Houston George Bush Intcntl Airport?

Best airlines flying from London Heathrow Airport to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $577Free CancellationRating
6.8
7,752 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $695Free CancellationRating
7.5
895 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $780Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
British AirwaysPriceFrom $782Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
American AirlinesPriceFrom $785Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights

  • Austrian Airlines Flights From London Heathrow Airport to Houston George Bush Intcntl Airport

    Austrian Airlines flies from London Heathrow Airport to Houston George Bush Intcntl Airport around 14 times per week, with 895 momondo users rating the airline 7.5/10. The cheapest Austrian Airlines deal from London Heathrow Airport to Houston George Bush Intcntl Airport in the last 72 hours was $695 (round-trip), much lower than the average airfare cost of $1,193 for Austrian Airlines flights on this route.

  • United Airlines Flights From London Heathrow Airport to Houston George Bush Intcntl Airport

    The best United Airlines deal for London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets found on momondo in the last 72 hours was $780, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $1,102 round-trip. United Airlines operates 14 flights out of London Heathrow Airport into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 9,215 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
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Why should I use momondo to find a flight deal from London to Houston?

It is quick and easy to find London to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Flights from London to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Of course. momondo tracks the price of London to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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