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Cheap flights from Houston George Bush Intcntl Airport to London from £181

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 London departing on 23/10. 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 return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:25 - 11:50IAH-LHR
36h 25m1 stop
Multiple Airlines Logo
06:50 - 21:39LHR-IAH
20h 49m2 stops
£388Multiple Airlines
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Mon, 1 Dec - Thu, 4 Dec
Multiple Airlines Logo
18:18 - 06:00IAH-LGW
53h 42m2 stops
Multiple Airlines Logo
14:00 - 23:13LGW-IAH
15h 13m1 stop
£393Multiple Airlines
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Wed, 14 Jan - Sat, 24 Jan
Virgin Atlantic Logo
12:37 - 09:15IAH-LHR
14h 38m1 stop
Virgin Atlantic Logo
06:30 - 13:30LHR-IAH
13h 00m1 stop
£397Virgin Atlantic
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Mon, 20 Oct - Tue, 4 Nov
Multiple Airlines Logo
11:55 - 10:00IAH-LGW
16h 05m1 stop
Multiple Airlines Logo
14:00 - 08:33LGW-IAH
23h 33m1 stop
£399Multiple Airlines
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Sat, 25 Oct - Fri, 31 Oct
Iberia Logo
21:50 - 12:50IAH-LHR
9h 00mdirect
Iberia Logo
09:35 - 14:05LHR-IAH
10h 30mdirect
£410Iberia
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Sun, 30 Nov - Tue, 23 Dec
Iberia Logo
21:50 - 12:50IAH-LHR
9h 00mdirect
Iberia Logo
09:35 - 14:05LHR-IAH
10h 30mdirect
£412Iberia
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Sun, 30 Nov - Tue, 23 Dec
British Airways Logo
15:30 - 06:40IAH-LHR
9h 10mdirect
British Airways Logo
09:35 - 14:05LHR-IAH
10h 30mdirect
£453British Airways
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Mon, 20 Oct - Tue, 4 Nov
United Airlines Logo
17:25 - 11:50IAH-LHR
36h 25m1 stop
United Airlines Logo
06:35 - 16:10LHR-IAH
15h 35m1 stop
£455United Airlines
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Tue, 4 Nov - Thu, 13 Nov
United Airlines Logo
16:20 - 07:30IAH-LHR
9h 10mdirect
United Airlines Logo
06:35 - 17:10LHR-IAH
15h 35m1 stop
£461United Airlines
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Wed, 4 Mar - Thu, 12 Mar
Lufthansa Logo
16:30 - 17:40IAH-LCY
19h 10m1 stop
Lufthansa Logo
18:15 - 14:10LCY-IAH
25h 55m1 stop
£531Lufthansa
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Mon, 2 Feb - Tue, 17 Feb

Iberia flights from Houston George Bush Intcntl Airport to London

Our best Iberia deals on Houston George Bush Intcntl Airport to London flight tickets
Iberia
30 Nov
IAH21:50Houston George Bush Intcntl
9h 00m
LHR12:50London Heathrow
23 Dec
LHR09:35London Heathrow
10h 30m
IAH14:05Houston George Bush Intcntl
£410
Find similar
Iberia
30 Nov
IAH21:50Houston George Bush Intcntl
9h 00m
LHR12:50London Heathrow
23 Dec
LHR09:35London Heathrow
10h 30m
IAH14:05Houston George Bush Intcntl
£412
Find similar
Iberia
30 Nov
IAH10:43Houston George Bush Intcntl
14h 07m
1 stop
LHR06:50London Heathrow
23 Dec
LHR09:35London Heathrow
10h 30m
IAH14:05Houston George Bush Intcntl
£425
Find similar

Scandinavian Airlines flights from Houston George Bush Intcntl Airport to London

Our best Scandinavian Airlines deals on Houston George Bush Intcntl Airport to London flight tickets
Scandinavian Airlines
11 Nov
IAH16:00Houston George Bush Intcntl
19h 40m
2 stops
LHR17:40London Heathrow
19 Nov
LHR10:20London Heathrow
19h 36m
2 stops
IAH23:56Houston George Bush Intcntl
£449
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Scandinavian Airlines
3 Nov
IAH16:00Houston George Bush Intcntl
23h 40m
2 stops
LHR21:40London Heathrow
10 Nov
LHR07:05London Heathrow
22h 51m
3 stops
IAH23:56Houston George Bush Intcntl
£451
Find similar
Scandinavian Airlines
15 Oct
IAH16:00Houston George Bush Intcntl
23h 40m
2 stops
LHR21:40London Heathrow
29 Oct
LHR06:40London Heathrow
22h 19m
2 stops
IAH23:59Houston George Bush Intcntl
£493
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momondo Fare Finder

 
Customise your flight search to find flights from Houston George Bush Intcntl Airport to London 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 279,928 searches. Data last updated 7 October 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/12

17:25-11:50

1 stop36h 25m

London Heathrow

Thu 4/12

06:50-21:39

2 stops20h 49m

£388

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 14/1

18:18-06:00

2 stops53h 42m

London Gatwick

Sat 24/1

14:00-23:13

1 stop15h 13m

£393

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 20/10

12:37-09:15

1 stop14h 38m

London Heathrow

Tue 4/11

06:30-13:30

1 stop13h 00m

£397

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 25/10

11:55-10:00

1 stop16h 05m

London Gatwick

Fri 31/10

14:00-08:33

1 stop23h 33m

£399

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 30/11

21:50-12:50

Nonstop9h 00m

London Heathrow

Tue 23/12

09:35-14:05

Nonstop10h 30m

£410

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 30/11

21:50-12:50

Nonstop9h 00m

London Heathrow

Tue 23/12

09:35-14:05

Nonstop10h 30m

£412

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 20/10

15:30-06:40

Nonstop9h 10m

London Heathrow

Tue 4/11

09:35-14:05

Nonstop10h 30m

£453

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 4/11

17:25-11:50

1 stop36h 25m

London Heathrow

Thu 13/11

06:35-16:10

1 stop15h 35m

£455

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/3

16:20-07:30

Nonstop9h 10m

London Heathrow

Thu 12/3

06:35-17:10

1 stop15h 35m

£461

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Mon 2/2

16:30-17:40

1 stop19h 10m

London City

Tue 17/2

18:15-14:10

1 stop25h 55m

£531

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to London

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 London?

The cheapest month to fly to London from Houston George Bush Intcntl Airport is in September. Flight prices, which tend to average around £505, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Houston George Bush Intcntl Airport averaging around £505.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £533. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to London for around £788.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £562. Flights at midday are often more expensive, with an average ticket price of £707.

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

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £602 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston George Bush Intcntl Airport for as low as £520 on momondo.

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

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

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

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

As of October 2025, prices for Houston George Bush Intcntl Airport to London flights are approximately 17% more expensive when compared to flights at the same time last year.

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

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

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

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

Best price found

£292

Fastest flight time

9h 00m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Houston George Bush Intcntl Airport in the past 72 hours is £292. The best return flight deal from Houston George Bush Intcntl Airport to London found on momondo in the last 72 hours is £468.
The fastest flight from Houston George Bush Intcntl Airport to London takes 9h 00m
Direct flights go from Houston George Bush Intcntl Airport to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

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

    A flight from Houston George Bush Intcntl to London will travel around 4832.8 mi. Typically, this will take 9h 00m by plane in normal conditions.

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

    Prices for flights from Houston George Bush Intcntl Airport to London are refreshed on a daily basis.

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

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

    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 London.

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

    The required travel and health documents for your London 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 London. 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 London?

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

Best airlines flying from Houston George Bush Intcntl Airport to London

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £301Free CancellationRating
7.4
665 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £388Free CancellationRating
7.4
8,955 reviews
Search United Airlines flights
IberiaPriceFrom £426Free CancellationRating
7.0
2,973 reviews
Search Iberia flights
LufthansaPriceFrom £430Free CancellationRating
6.8
7,455 reviews
Search Lufthansa flights
British AirwaysPriceFrom £447Free CancellationRating
6.7
7,430 reviews
Search British Airways flights

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

    United Airlines flight deals from Houston George Bush Intcntl Airport to London start from £522 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually £948 round-trip - but some users have found much cheaper deals with momondo.

  • Iberia Flights From Houston George Bush Intcntl Airport to London

    Iberia (7.0/10 from 2,973 reviews) operates around 6 flights from Houston George Bush Intcntl Airport to London in any given week. The average Iberia airfare for this route is around £692, with deals from around £573 rare but found on momondo. Referenced prices are for round-trip Houston George Bush Intcntl Airport to London flight searches in the last 72 hours.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to London . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to London 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 London?

Once all potential Houston to London 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 London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport