Cheap flights from Houston to the United Kingdom from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to the United Kingdom departing on 10/21. 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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Multiple Airlines Logo
7:00 am - 10:00 amIAH-LGW
21h 00m1 stop
Multiple Airlines Logo
2:00 pm - 11:13 pmLGW-IAH
15h 13m1 stop
$546Multiple Airlines
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Thu, Jan 29 - Mon, Feb 2
Virgin Atlantic Logo
4:21 pm - 9:00 amIAH-LHR
11h 39m1 stop
Virgin Atlantic Logo
12:30 pm - 9:11 pmLHR-IAH
14h 41m1 stop
$547Virgin Atlantic
Find Deal
Sun, Oct 26 - Tue, Nov 11
Virgin Atlantic Logo
2:22 pm - 7:50 amHOU-LHR
12h 28m1 stop
Virgin Atlantic Logo
10:45 am - 11:07 pmLHR-HOU
18h 22m1 stop
$547Virgin Atlantic
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Sun, Oct 26 - Tue, Nov 11
American Airlines Logo
9:35 am - 9:00 amIAH-LGW
17h 25m2 stops
American Airlines Logo
11:20 am - 12:45 amLGW-IAH
19h 25m2 stops
$570American Airlines
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Mon, Jan 26 - Tue, Feb 3
British Airways Logo
3:50 pm - 6:50 amIAH-LHR
9h 00mnonstop
British Airways Logo
9:35 am - 2:05 pmLHR-IAH
10h 30mnonstop
$578British Airways
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Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
10:50 pm - 12:50 pmIAH-LHR
9h 00mnonstop
American Airlines Logo
9:35 am - 2:05 pmLHR-IAH
10h 30mnonstop
$584American Airlines
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Sun, Oct 26 - Tue, Nov 11
British Airways Logo
3:50 pm - 6:50 amIAH-LHR
9h 00mnonstop
British Airways Logo
9:35 am - 2:05 pmLHR-IAH
10h 30mnonstop
$586British Airways
Find Deal
Wed, Nov 5 - Wed, Nov 12
Iberia Logo
9:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
Iberia Logo
3:25 pm - 8:00 pmLHR-IAH
10h 35mnonstop
$587Iberia
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Mon, Jan 19 - Thu, Jan 29
Iberia Logo
12:44 pm - 8:15 amIAH-LHR
13h 31m1 stop
Iberia Logo
3:25 pm - 8:00 pmLHR-IAH
10h 35mnonstop
$591Iberia
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Mon, Jan 19 - Thu, Jan 29
United Airlines Logo
4:20 pm - 7:30 amIAH-LHR
9h 10mnonstop
United Airlines Logo
7:25 am - 4:35 pmLHR-IAH
15h 10m1 stop
$616United Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 31

KLM flights from Houston to United Kingdom

Our best KLM deals on Houston to United Kingdom flight tickets
KLM
Oct 29
HOU6:44 pmHouston Hobby
11h 56m
1 stop
LHR11:40 amLondon Heathrow
Nov 8
LHR8:55 amLondon Heathrow
14h 53m
1 stop
HOU5:48 pmHouston Hobby
KLM
Nov 24
IAH3:30 pmHouston George Bush Intcntl
15h 15m
1 stop
GLA12:45 pmGlasgow Intl
Dec 3
GLA6:05 amGlasgow Intl
13h 25m
1 stop
IAH1:30 pmHouston George Bush Intcntl
KLM
Oct 17
HOU6:44 pmHouston Hobby
12h 46m
1 stop
LHR1:30 pmLondon Heathrow
Oct 28
LHR12:30 pmLondon Heathrow
15h 30m
1 stop
HOU11:00 pmHouston Hobby

Air Canada flights from Houston to United Kingdom

Our best Air Canada deals on Houston to United Kingdom flight tickets
Air Canada
Oct 26
IAH11:50 amHouston George Bush Intcntl
27h 45m
2 stops
LHR8:35 pmLondon Heathrow
Nov 11
LHR6:50 amLondon Heathrow
20h 49m
2 stops
IAH9:39 pmHouston George Bush Intcntl
Air Canada
Mar 31
IAH11:50 amHouston George Bush Intcntl
16h 10m
2 stops
LHR10:00 amLondon Heathrow
Apr 2
LHR6:50 amLondon Heathrow
17h 45m
2 stops
IAH6:35 pmHouston George Bush Intcntl
Air Canada
Oct 26
IAH5:25 pmHouston George Bush Intcntl
37h 25m
1 stop
LHR11:50 amLondon Heathrow
Nov 11
LHR6:50 amLondon Heathrow
20h 49m
2 stops
IAH9:39 pmHouston George Bush Intcntl

momondo Fare Finder

 
Customize your flight search to find flights from Houston to United Kingdom 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 16, 2025.
Use the filters below to find and compare flights from Houston to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 1/29

7:00 am-10:00 am

1 stop21h 00m

London Gatwick

Mon 2/2

2:00 pm-11:13 pm

1 stop15h 13m

$546

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/26

4:21 pm-9:00 am

1 stop11h 39m

London Heathrow

Tue 11/11

12:30 pm-9:11 pm

1 stop14h 41m

$547

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 10/26

2:22 pm-7:50 am

1 stop12h 28m

London Heathrow

Tue 11/11

10:45 am-11:07 pm

1 stop18h 22m

$547

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 1/26

9:35 am-9:00 am

2 stops17h 25m

London Gatwick

Tue 2/3

11:20 am-12:45 am

2 stops19h 25m

$570

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 11/4

3:50 pm-6:50 am

Nonstop9h 00m

London Heathrow

Tue 11/11

9:35 am-2:05 pm

Nonstop10h 30m

$578

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/26

10:50 pm-12:50 pm

Nonstop9h 00m

London Heathrow

Tue 11/11

9:35 am-2:05 pm

Nonstop10h 30m

$584

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/5

3:50 pm-6:50 am

Nonstop9h 00m

London Heathrow

Wed 11/12

9:35 am-2:05 pm

Nonstop10h 30m

$586

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/19

9:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

Thu 1/29

3:25 pm-8:00 pm

Nonstop10h 35m

$587

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/19

12:44 pm-8:15 am

1 stop13h 31m

London Heathrow

Thu 1/29

3:25 pm-8:00 pm

Nonstop10h 35m

$591

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 3/1

4:20 pm-7:30 am

Nonstop9h 10m

London Heathrow

Tue 3/31

7:25 am-4:35 pm

1 stop15h 10m

$616

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 the United Kingdom from

How to get the cheapest flight ticket from Houston to United Kingdom

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 cheapest month to fly to United Kingdom?

In general, September is the cheapest month to fly from Houston to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $642. If you aren’t able to travel to United Kingdom during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $642.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Houston to United Kingdom is on a Wednesday when prices can be found for as low as $786. The most expensive day to fly to United Kingdom is Monday, with ticket prices averaging around $988.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the morning. momondo users have found flights departing from Houston to United Kingdom in the morning for as low as $844. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $990. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $831 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Houston for as low as $757 on momondo.

What cabin class options are available on Houston to United Kingdom flights?

There are 4 cabin classes available to choose from on Houston to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to United Kingdom flight deals and tips

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

Fastest flight time

9h 00m

Direct flights

Every day

Airports in United Kingdom

1 airport
The fastest flight from Houston to United Kingdom takes 9h 00m
Direct flights go from Houston to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
  • When did momondo last update prices for flights from Houston to United Kingdom?

    Prices for flights from Houston to United Kingdom refresh daily.

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

  • How old do you have to be to fly from Houston to United Kingdom?

    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 Houston to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom 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 Houston to United Kingdom

Compare and see reviews for airlines that fly from Houston to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $101Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
DeltaPriceFrom $447Free CancellationRating
7.9
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $498Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
Singapore AirlinesPriceFrom $523Free CancellationRating
8.1
1,382 reviews
Search Singapore Airlines flights
FinnairPriceFrom $553Free CancellationRating
7.6
1,332 reviews
Search Finnair flights
British AirwaysPriceFrom $568Free CancellationRating
6.7
7,456 reviews
Search British Airways flights
United AirlinesPriceFrom $569Free CancellationRating
7.4
8,979 reviews
Search United Airlines flights
IberiaPriceFrom $580Free CancellationRating
7.0
2,992 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $582Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
KLMPriceFrom $608Free CancellationRating
7.7
1,402 reviews
Search KLM flights

Why use momondo?

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

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 United Kingdom from Houston.

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

momondo does allow users to show only those flights to United Kingdom from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to United Kingdom?

Once all potential Houston to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to United Kingdom from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

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1 adult
Sat 11/15
Sat 11/22

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Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo