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Cheap flights from London 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 to Houston departing on 1/29. 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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Cheap round-trip flights

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Multiple Airlines Logo
1:00 pm - 5:10 pmLGW-IAH
34h 10m2 stops
Multiple Airlines Logo
12:16 pm - 10:00 amIAH-LGW
15h 44m1 stop
$763Multiple Airlines
Find Deal
qua, jan 7 - sex, jan 30
Multiple Airlines Logo
4:25 pm - 7:05 pmLGW-IAH
32h 40m3 stops
Multiple Airlines Logo
5:00 am - 6:00 amIAH-LGW
19h 00m2 stops
$764Multiple Airlines
Find Deal
ter, dez 2 - sex, dez 5
Multiple Airlines Logo
6:50 pm - 11:59 pmLHR-IAH
35h 09m3 stops
Multiple Airlines Logo
8:30 pm - 7:10 amIAH-LHR
28h 40m3 stops
$764Multiple Airlines
Find Deal
qua, dez 3 - dom, dez 7
JetBlue Logo
8:25 am - 11:20 amLHR-IAH
32h 55m1 stop
JetBlue Logo
3:35 pm - 6:30 amIAH-LHR
32h 55m1 stop
$765JetBlue
Find Deal
ter, abr 21 - qui, abr 30
Multiple Airlines Logo
2:00 pm - 9:39 amLGW-IAH
25h 39m1 stop
Multiple Airlines Logo
6:45 am - 10:00 amIAH-LGW
21h 15m2 stops
$766Multiple Airlines
Find Deal
sex, nov 28 - sex, dez 5
WestJet Logo
2:50 pm - 12:44 pmLHR-IAH
27h 54m1 stop
WestJet Logo
6:20 pm - 12:50 pmIAH-LHR
36h 30m1 stop
$772WestJet
Find Deal
dom, jan 18 - sex, jan 23
Lufthansa Logo
3:10 pm - 8:50 pmLHR-IAH
35h 40m2 stops
Lufthansa Logo
4:48 pm - 8:35 pmIAH-LHR
21h 47m1 stop
$776Lufthansa
Find Deal
sáb, jan 10 - seg, jan 12
British Airways Logo
10:05 am - 5:59 pmLHR-HOU
13h 54m1 stop
British Airways Logo
12:09 pm - 8:35 amHOU-LHR
14h 26m1 stop
$1,036British Airways
Find Deal
seg, dez 8 - qua, dez 24
British Airways Logo
10:05 am - 8:18 pmLHR-HOU
16h 13m1 stop
British Airways Logo
12:09 pm - 6:50 amHOU-LHR
12h 41m1 stop
$1,039British Airways
Find Deal
ter, dez 9 - ter, dez 23
Lufthansa Logo
9:50 am - 6:15 pmLCY-IAH
14h 25m1 stop
Lufthansa Logo
7:55 pm - 5:35 pmIAH-LCY
16h 40m1 stop
$1,045Lufthansa
Find Deal
ter, fev 24 - ter, mar 10

Iberia flights from London to Houston

Our best Iberia deals on London to Houston flight tickets
Iberia
Jan 9
LGW7:40 pmLondon Gatwick
44h 25m
2 stops
HOU10:05 amHouston Hobby
Jan 28
HOU12:47 pmHouston Hobby
40h 03m
2 stops
LGW10:50 amLondon Gatwick
$1,333
Find similar
Iberia
Nov 23
LHR11:25 amLondon Heathrow
38h 25m
2 stops
HOU7:50 pmHouston Hobby
Dec 11
HOU12:16 pmHouston Hobby
12h 34m
1 stop
LHR6:50 amLondon Heathrow
$1,553
Find similar
Iberia
Nov 18
LHR11:55 amLondon Heathrow
14h 25m
1 stop
HOU8:20 pmHouston Hobby
Dec 12
HOU12:16 pmHouston Hobby
12h 34m
1 stop
LHR6:50 amLondon Heathrow
$1,603
Find similar

British Airways flights from London to Houston

Our best British Airways deals on London to Houston flight tickets
British Airways
Dec 8
LHR10:05 amLondon Heathrow
13h 54m
1 stop
HOU5:59 pmHouston Hobby
Dec 24
HOU12:09 pmHouston Hobby
14h 26m
1 stop
LHR8:35 amLondon Heathrow
$1,036
Find similar
British Airways
Dec 9
LHR10:05 amLondon Heathrow
16h 13m
1 stop
HOU8:18 pmHouston Hobby
Dec 23
HOU12:09 pmHouston Hobby
12h 41m
1 stop
LHR6:50 amLondon Heathrow
$1,039
Find similar
British Airways
Jan 27
LHR8:20 amLondon Heathrow
13h 52m
1 stop
HOU4:12 pmHouston Hobby
Feb 10
HOU12:47 pmHouston Hobby
12h 03m
1 stop
LHR6:50 amLondon Heathrow
$1,040
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 832,500 searches. Data last updated novembro 13, 2025.
Use the filters below to find and compare flights from London to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

qua 1/7

1:00 pm-5:10 pm

2 stops34h 10m

Houston George Bush Intcntl

sex 1/30

12:16 pm-10:00 am

1 stop15h 44m

$763

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

ter 12/2

4:25 pm-7:05 pm

3 stops32h 40m

Houston George Bush Intcntl

sex 12/5

5:00 am-6:00 am

2 stops19h 00m

$764

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

qua 12/3

6:50 pm-11:59 pm

3 stops35h 09m

Houston George Bush Intcntl

dom 12/7

8:30 pm-7:10 am

3 stops28h 40m

$764

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

ter 4/21

8:25 am-11:20 am

1 stop32h 55m

Houston George Bush Intcntl

qui 4/30

3:35 pm-6:30 am

1 stop32h 55m

$765

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

sex 11/28

2:00 pm-9:39 am

1 stop25h 39m

Houston George Bush Intcntl

sex 12/5

6:45 am-10:00 am

2 stops21h 15m

$766

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

dom 1/18

2:50 pm-12:44 pm

1 stop27h 54m

Houston George Bush Intcntl

sex 1/23

6:20 pm-12:50 pm

1 stop36h 30m

$772

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb 1/10

3:10 pm-8:50 pm

2 stops35h 40m

Houston George Bush Intcntl

seg 1/12

4:48 pm-8:35 pm

1 stop21h 47m

$776

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

seg 12/8

10:05 am-5:59 pm

1 stop13h 54m

Houston Hobby

qua 12/24

12:09 pm-8:35 am

1 stop14h 26m

$1,036

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

ter 12/9

10:05 am-8:18 pm

1 stop16h 13m

Houston Hobby

ter 12/23

12:09 pm-6:50 am

1 stop12h 41m

$1,039

LondonHouston

LCY - IAH

LCYIAH

London City

ter 2/24

9:50 am-6:15 pm

1 stop14h 25m

Houston George Bush Intcntl

ter 3/10

7:55 pm-5:35 pm

1 stop16h 40m

$1,045

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 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 and Houston?

What is the cheapest month to fly to Houston?

The month of March is, on average, the cheapest month to fly to Houston from London, with most prices found around $822. The month of January is another great option to travel to Houston, with average flight prices from London averaging around $828.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. 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 $1,280.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest London to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $759. 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 to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $974 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London for as low as $807 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Houston

Fastest flight time

10h 15m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from London to Houston takes 10h 15m
Direct flights go from London to Houston every day.
There is 1 airport near Houston: Houston George Bush Intcntl (IAH)
Search flight deals

  • How far is London to Houston by plane?

    The distance between London and Houston is about 4845.7 mi. In terms of flight time, this usually takes a little over 13h 16m.

  • When did momondo last update prices for flights from London to Houston?

    Prices for flights from London to Houston are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Houston?

  • How old do you have to be to fly from London 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 to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Houston

Compare and see reviews for airlines that fly from London to Houston with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $496Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
LufthansaPriceFrom $652Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $803Free CancellationRating
7.6
868 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $825Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from London.

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 helps you find the best flight between London and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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