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Cheap flights from Houston George Bush Intcntl Airport to the United Kingdom from $230

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 George Bush Intcntl Airport to the United Kingdom departing on 10/4. 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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Find the cheapest flights from Houston George Bush Intcntl Airport to the United Kingdom

Cheap round-trip flights

United Airlines Logo
4:20 pm - 7:40 amIAH-LHR
9h 20mnonstop
United Airlines Logo
10:50 am - 4:35 pmLHR-IAH
35h 45m1 stop
$518United Airlines
Find Deal
Wed, Sep 24 - Tue, Oct 7
Logo
7:20 am - 6:30 amIAH-LHR
17h 10m2 stops
Logo
6:50 am - 9:39 pmLHR-IAH
19h 49m2 stops
$519
Find Deal
Wed, Oct 8 - Tue, Oct 28
Delta Logo
12:39 pm - 10:00 amIAH-LHR
15h 21m1 stop
Delta Logo
6:15 am - 1:35 pmLHR-IAH
13h 20m1 stop
$520Delta
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Wed, Oct 1 - Tue, Oct 7
British Airways Logo
3:30 pm - 6:40 amIAH-LHR
9h 10mnonstop
British Airways Logo
9:25 am - 1:45 pmLHR-IAH
10h 20mnonstop
$521British Airways
Find Deal
Wed, Oct 1 - Tue, Oct 7
British Airways Logo
9:00 pm - 12:20 pmIAH-LHR
9h 20mnonstop
British Airways Logo
9:35 am - 2:05 pmLHR-IAH
10h 30mnonstop
$522British Airways
Find Deal
Mon, Oct 6 - Wed, Feb 11
United Airlines Logo
10:00 am - 6:30 amIAH-LHR
14h 30m1 stop
United Airlines Logo
10:00 am - 2:15 pmLHR-IAH
10h 15mnonstop
$523United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Delta Logo
12:55 pm - 6:55 amIAH-LHR
12h 00m1 stop
Delta Logo
6:20 am - 2:55 pmLHR-IAH
13h 35m1 stop
$528Delta
Find Deal
Wed, Mar 4 - Tue, Mar 10
Iberia Logo
11:26 am - 2:05 pmIAH-LCY
20h 39m2 stops
Iberia Logo
7:15 pm - 9:19 amLCY-IAH
19h 04m2 stops
$555Iberia
Find Deal
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
4:32 pm - 1:05 pmIAH-GLA
14h 33m2 stops
American Airlines Logo
10:55 am - 12:09 amGLA-IAH
19h 14m2 stops
$575American Airlines
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Mon, Nov 24 - Wed, Dec 3
American Airlines Logo
3:30 pm - 1:15 pmIAH-MAN
15h 45m1 stop
American Airlines Logo
12:10 pm - 2:05 pmMAN-IAH
31h 55m1 stop
$576American Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5

United Airlines flights from Houston George Bush Intcntl Airport to United Kingdom

Our best United Airlines deals on Houston George Bush Intcntl Airport to United Kingdom flight tickets
United Airlines
Sep 24
IAH4:20 pmHouston George Bush Intcntl
9h 20m
LHR7:40 amLondon Heathrow
Oct 7
LHR10:50 amLondon Heathrow
35h 45m
1 stop
IAH4:35 pmHouston George Bush Intcntl
$518
Find similar
United Airlines
Sep 14
IAH4:20 pmHouston George Bush Intcntl
9h 20m
LHR7:40 amLondon Heathrow
Sep 30
LHR10:00 amLondon Heathrow
10h 15m
IAH2:15 pmHouston George Bush Intcntl
$522
Find similar
United Airlines
Oct 7
IAH10:00 amHouston George Bush Intcntl
14h 30m
1 stop
LHR6:30 amLondon Heathrow
Oct 14
LHR10:00 amLondon Heathrow
10h 15m
IAH2:15 pmHouston George Bush Intcntl
$523
Find similar

Delta flights from Houston George Bush Intcntl Airport to United Kingdom

Our best Delta deals on Houston George Bush Intcntl Airport to United Kingdom flight tickets
Delta
Sep 14
IAH12:39 pmHouston George Bush Intcntl
12h 36m
1 stop
LHR7:15 amLondon Heathrow
Sep 30
LHR11:45 amLondon Heathrow
31h 30m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$519
Find similar
Delta
Oct 1
IAH12:39 pmHouston George Bush Intcntl
15h 21m
1 stop
LHR10:00 amLondon Heathrow
Oct 7
LHR6:15 amLondon Heathrow
13h 20m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$520
Find similar
Delta
Mar 4
IAH12:55 pmHouston George Bush Intcntl
12h 00m
1 stop
LHR6:55 amLondon Heathrow
Mar 10
LHR6:20 amLondon Heathrow
13h 35m
1 stop
IAH2:55 pmHouston George Bush Intcntl
$528
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 September 8, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/24

4:20 pm-7:40 am

Nonstop9h 20m

London Heathrow

Tue 10/7

10:50 am-4:35 pm

1 stop35h 45m

$518

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/8

7:20 am-6:30 am

2 stops17h 10m

London Heathrow

Tue 10/28

6:50 am-9:39 pm

2 stops19h 49m

$519

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/1

12:39 pm-10:00 am

1 stop15h 21m

London Heathrow

Tue 10/7

6:15 am-1:35 pm

1 stop13h 20m

$520

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/1

3:30 pm-6:40 am

Nonstop9h 10m

London Heathrow

Tue 10/7

9:25 am-1:45 pm

Nonstop10h 20m

$521

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 10/6

9:00 pm-12:20 pm

Nonstop9h 20m

London Heathrow

Wed 2/11

9:35 am-2:05 pm

Nonstop10h 30m

$522

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 10/7

10:00 am-6:30 am

1 stop14h 30m

London Heathrow

Tue 10/14

10:00 am-2:15 pm

Nonstop10h 15m

$523

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 3/4

12:55 pm-6:55 am

1 stop12h 00m

London Heathrow

Tue 3/10

6:20 am-2:55 pm

1 stop13h 35m

$528

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 3/4

11:26 am-2:05 pm

2 stops20h 39m

London City

Wed 3/11

7:15 pm-9:19 am

2 stops19h 04m

$555

HoustonGlasgow

IAH - GLA

IAHGLA

Houston George Bush Intcntl

Mon 11/24

4:32 pm-1:05 pm

2 stops14h 33m

Glasgow Intl

Wed 12/3

10:55 am-12:09 am

2 stops19h 14m

$575

HoustonManchester

IAH - MAN

IAHMAN

Houston George Bush Intcntl

Mon 10/20

3:30 pm-1:15 pm

1 stop15h 45m

Manchester

Wed 11/5

12:10 pm-2:05 pm

1 stop31h 55m

$576

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 Houston George Bush Intcntl Airport 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, October is the cheapest month to fly from Houston George Bush Intcntl Airport to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $661. If you aren’t able to travel to United Kingdom during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $683.

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

The cheapest day to depart from Houston George Bush Intcntl Airport to United Kingdom is on a Wednesday when prices can be found for as low as $883. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,054.

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 George Bush Intcntl Airport to United Kingdom in the morning for as low as $856. 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 $984. 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 George Bush Intcntl to United Kingdom flight route?

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $802 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 George Bush Intcntl Airport for as low as $716 on momondo.

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

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to United Kingdom 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 Houston George Bush Intcntl Airport to United Kingdom flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to United Kingdom.

Cheap Houston George Bush Intcntl Airport to United Kingdom flight deals and tips

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

Best Price Found

$443

Fastest flight time

9h 00m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Houston George Bush Intcntl Airport in the past 72 hours is $443. The best round-trip flight deal from Houston George Bush Intcntl Airport to United Kingdom found on momondo in the last 72 hours is $647.
The fastest flight from Houston George Bush Intcntl Airport to United Kingdom takes 9h 00m
Direct flights go from Houston George Bush Intcntl Airport to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

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

    Prices for flights from Houston George Bush Intcntl Airport to United Kingdom refresh daily.

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

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

    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 Houston George Bush Intcntl Airport to United Kingdom.

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

    The required travel and health documents for your United Kingdom 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 United Kingdom. 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 Houston George Bush Intcntl Airport to United Kingdom?

Best airlines flying from Houston George Bush Intcntl Airport to United Kingdom

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $101Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Singapore AirlinesPriceFrom $526Free CancellationRating
8.1
1,362 reviews
Search Singapore Airlines flights
American AirlinesPriceFrom $551Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom $573Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,354 reviews
Search British Airways flights
IberiaPriceFrom $576Free CancellationRating
7.0
2,921 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $582Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
LufthansaPriceFrom $612Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
KLMPriceFrom $631Free CancellationRating
7.8
1,386 reviews
Search KLM flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to United Kingdom for you.

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

Yes. momondo allows you to filter the results for Houston to United Kingdom flights to just show those with flexible booking policies.

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

Once you have performed a search for Houston to United Kingdom 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 Houston to United Kingdom right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Houston and alert you when they change.

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