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Cheap flights from London Heathrow Airport to Houston from $517

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 1/9. 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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Multiple Airlines Logo
6:40 am - 9:47 pmLHR-IAH
21h 07m2 stops
Multiple Airlines Logo
5:45 am - 5:00 pmIAH-LHR
29h 15m3 stops
$754Multiple Airlines
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Sat, Nov 15 - Tue, Nov 18
JetBlue Logo
9:20 am - 12:41 pmLHR-IAH
33h 21m1 stop
JetBlue Logo
1:38 pm - 6:55 amIAH-LHR
11h 17m1 stop
$756JetBlue
Find Deal
Sat, Nov 15 - Tue, Nov 18
Multiple Airlines Logo
6:50 am - 11:01 pmLHR-IAH
22h 11m3 stops
Multiple Airlines Logo
12:17 pm - 5:30 pmIAH-LHR
23h 13m3 stops
$758Multiple Airlines
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Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
6:50 am - 11:01 pmLHR-IAH
22h 11m3 stops
Multiple Airlines Logo
6:20 pm - 12:50 pmIAH-LHR
36h 30m1 stop
$759Multiple Airlines
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Wed, Jan 14 - Wed, Jan 21
WestJet Logo
2:50 pm - 5:29 pmLHR-IAH
32h 39m1 stop
WestJet Logo
3:00 pm - 12:05 pmIAH-LHR
15h 05m1 stop
$761WestJet
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Mon, Jan 26 - Sun, Apr 26
Multiple Airlines Logo
2:50 pm - 12:44 pmLHR-IAH
27h 54m1 stop
Multiple Airlines Logo
8:54 pm - 12:50 pmIAH-LHR
33h 56m2 stops
$762Multiple Airlines
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Tue, Nov 11 - Tue, Nov 25
JetBlue Logo
9:20 am - 5:51 pmLHR-IAH
14h 31m1 stop
JetBlue Logo
1:38 pm - 6:55 amIAH-LHR
11h 17m1 stop
$764JetBlue
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Wed, Nov 12 - Wed, Nov 19
WestJet Logo
2:50 pm - 12:44 pmLHR-IAH
27h 54m1 stop
WestJet Logo
1:35 pm - 12:50 pmIAH-LHR
17h 15m1 stop
$773WestJet
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Sun, Nov 16 - Thu, Dec 4
Icelandair Logo
8:05 am - 12:41 pmLHR-IAH
34h 36m2 stops
Icelandair Logo
1:38 pm - 6:55 amIAH-LHR
11h 17m1 stop
$783Icelandair
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Sat, Nov 15 - Tue, Nov 18
Icelandair Logo
9:20 am - 9:37 amLHR-IAH
30h 17m1 stop
Icelandair Logo
1:36 pm - 6:55 amIAH-LHR
11h 19m1 stop
$791Icelandair
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Sat, Nov 22 - Sat, Dec 6

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

Our best WestJet deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
WestJet
Jan 26
LHR2:50 pmLondon Heathrow
32h 39m
1 stop
IAH5:29 pmHouston George Bush Intcntl
Apr 26
IAH3:00 pmHouston George Bush Intcntl
15h 05m
1 stop
LHR12:05 pmLondon Heathrow
$761
Find similar
WestJet
Nov 16
LHR2:50 pmLondon Heathrow
27h 54m
1 stop
IAH12:44 pmHouston George Bush Intcntl
Dec 4
IAH1:35 pmHouston George Bush Intcntl
17h 15m
1 stop
LHR12:50 pmLondon Heathrow
$773
Find similar
WestJet
Jan 15
LHR2:50 pmLondon Heathrow
27h 54m
1 stop
IAH12:44 pmHouston George Bush Intcntl
Jan 26
IAH6:20 pmHouston George Bush Intcntl
36h 30m
1 stop
LHR12:50 pmLondon Heathrow
$775
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Icelandair flights from London Heathrow Airport to Houston George Bush Intcntl Airport

Our best Icelandair deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
Icelandair
Nov 15
LHR8:05 amLondon Heathrow
34h 36m
2 stops
IAH12:41 pmHouston George Bush Intcntl
Nov 18
IAH1:38 pmHouston George Bush Intcntl
11h 17m
1 stop
LHR6:55 amLondon Heathrow
$783
Find similar
Icelandair
Nov 22
LHR9:20 amLondon Heathrow
30h 17m
1 stop
IAH9:37 amHouston George Bush Intcntl
Dec 6
IAH1:36 pmHouston George Bush Intcntl
11h 19m
1 stop
LHR6:55 amLondon Heathrow
$791
Find similar
Icelandair
Nov 17
LHR8:05 amLondon Heathrow
34h 36m
2 stops
IAH12:41 pmHouston George Bush Intcntl
Nov 24
IAH10:16 amHouston George Bush Intcntl
29h 24m
2 stops
LHR9:40 pmLondon Heathrow
$794
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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 October 30, 2025.
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

Sat 11/15

6:40 am-9:47 pm

2 stops21h 07m

Houston George Bush Intcntl

Tue 11/18

5:45 am-5:00 pm

3 stops29h 15m

$754

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/15

9:20 am-12:41 pm

1 stop33h 21m

Houston George Bush Intcntl

Tue 11/18

1:38 pm-6:55 am

1 stop11h 17m

$756

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/14

6:50 am-11:01 pm

3 stops22h 11m

Houston George Bush Intcntl

Wed 1/21

12:17 pm-5:30 pm

3 stops23h 13m

$758

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 1/14

6:50 am-11:01 pm

3 stops22h 11m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-12:50 pm

1 stop36h 30m

$759

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 1/26

2:50 pm-5:29 pm

1 stop32h 39m

Houston George Bush Intcntl

Sun 4/26

3:00 pm-12:05 pm

1 stop15h 05m

$761

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 11/11

2:50 pm-12:44 pm

1 stop27h 54m

Houston George Bush Intcntl

Tue 11/25

8:54 pm-12:50 pm

2 stops33h 56m

$762

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 11/12

9:20 am-5:51 pm

1 stop14h 31m

Houston George Bush Intcntl

Wed 11/19

1:38 pm-6:55 am

1 stop11h 17m

$764

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 11/16

2:50 pm-12:44 pm

1 stop27h 54m

Houston George Bush Intcntl

Thu 12/4

1:35 pm-12:50 pm

1 stop17h 15m

$773

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/15

8:05 am-12:41 pm

2 stops34h 36m

Houston George Bush Intcntl

Tue 11/18

1:38 pm-6:55 am

1 stop11h 17m

$783

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 11/22

9:20 am-9:37 am

1 stop30h 17m

Houston George Bush Intcntl

Sat 12/6

1:36 pm-6:55 am

1 stop11h 19m

$791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from London Heathrow Airport, with most prices found around $814. If you are unable to visit Houston George Bush Intcntl Airport during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $822.

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 Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $943. 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 $1,058.

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 in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $826. Try not to purchase tickets in the morning because they tend to be around $991. 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 $998 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 $870 on momondo.

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

There are 4 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.

Can stopping save me money on London Heathrow Airport to Houston George Bush Intcntl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a London Heathrow Airport to Houston George Bush Intcntl Airport flight.

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

As of October 2025, prices for London Heathrow Airport to Houston George Bush Intcntl Airport flights are approximately 24% more expensive 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

$781

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 $781. 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 $847.
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 14h 28m.

  • 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 $652Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
British AirwaysPriceFrom $768Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $803Free CancellationRating
7.6
862 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $825Free CancellationRating
7.4
8,998 reviews
Search United 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 8 times per week, with 862 momondo users rating the airline 7.6/10. The cheapest Austrian Airlines deal from London Heathrow Airport to Houston George Bush Intcntl Airport in the last 72 hours was $803 (round-trip), much lower than the average airfare cost of $1,217 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 $825, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $1,162 round-trip. United Airlines operates 8 flights out of London Heathrow Airport into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 8,998 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
The Woodlands
Katy
Conroe
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Humble
Spring
Montgomery
Tomball
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Why use momondo?

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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