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Cheap flights from Houston George Bush Intcntl Airport to London from £180

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 20/9. 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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Find the cheapest flights from Houston George Bush Intcntl Airport to London

Cheap return flights

British Airways Logo
21:00 - 12:20IAH-LHR
9h 20mdirect
British Airways Logo
09:25 - 13:45LHR-IAH
10h 20mdirect
£386British Airways
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Tue, 7 Oct - Tue, 14 Oct
Delta Logo
14:15 - 07:15IAH-LHR
11h 00m1 stop
Delta Logo
06:15 - 13:35LHR-IAH
13h 20m1 stop
£387Delta
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Sun, 5 Oct - Wed, 15 Oct
Virgin Atlantic Logo
11:05 - 06:20IAH-LHR
13h 15m2 stops
Virgin Atlantic Logo
06:15 - 13:35LHR-IAH
13h 20m1 stop
£391Virgin Atlantic
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Tue, 2 Sep - Tue, 16 Sep
Iberia Logo
07:46 - 19:00IAH-LGW
29h 14m2 stops
Iberia Logo
19:40 - 23:34LGW-IAH
33h 54m2 stops
£392Iberia
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Tue, 9 Dec - Wed, 14 Jan
American Airlines Logo
14:32 - 10:50IAH-LHR
14h 18m1 stop
American Airlines Logo
09:25 - 13:40LHR-IAH
10h 15mdirect
£392American Airlines
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Mon, 1 Sep - Wed, 24 Sep
Iberia Logo
10:55 - 07:20IAH-LHR
14h 25m1 stop
Iberia Logo
13:40 - 23:56LHR-IAH
16h 16m1 stop
£393Iberia
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Mon, 1 Sep - Wed, 24 Sep
Virgin Atlantic Logo
15:30 - 16:15IAH-LHR
18h 45m1 stop
Virgin Atlantic Logo
20:55 - 13:15LHR-IAH
22h 20m1 stop
£408Virgin Atlantic
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Mon, 1 Sep - Mon, 8 Sep
American Airlines Logo
11:05 - 10:40IAH-LGW
17h 35m2 stops
American Airlines Logo
12:20 - 00:35LGW-IAH
18h 15m2 stops
£446American Airlines
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Sat, 4 Oct - Sat, 11 Oct
Lufthansa Logo
15:35 - 16:25IAH-LCY
18h 50m1 stop
Lufthansa Logo
19:10 - 13:35LCY-IAH
24h 25m1 stop
£513Lufthansa
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Mon, 8 Sep - Mon, 15 Sep
Lufthansa Logo
15:35 - 18:35IAH-LCY
21h 00m1 stop
Lufthansa Logo
19:10 - 17:17LCY-IAH
28h 07m2 stops
£520Lufthansa
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Wed, 8 Oct - Mon, 13 Oct

British Airways flights from Houston George Bush Intcntl Airport to London

Our best British Airways deals on Houston George Bush Intcntl Airport to London flight tickets
British Airways
7 Oct
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
14 Oct
LHR09:25London Heathrow
10h 20m
IAH13:45Houston George Bush Intcntl
£386
Find similar
British Airways
2 Sept
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
18 Sept
LHR14:50London Heathrow
10h 25m
IAH19:15Houston George Bush Intcntl
£388
Find similar
British Airways
2 Sept
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
10 Sept
LHR14:50London Heathrow
10h 25m
IAH19:15Houston George Bush Intcntl
£389
Find similar

Finnair flights from Houston George Bush Intcntl Airport to London

Our best Finnair deals on Houston George Bush Intcntl Airport to London flight tickets
Finnair
2 Sept
IAH14:32Houston George Bush Intcntl
17h 53m
1 stop
LHR14:25London Heathrow
16 Sept
LHR08:20London Heathrow
15h 53m
1 stop
IAH18:13Houston George Bush Intcntl
£400
Find similar
Finnair
10 Nov
IAH21:45Houston George Bush Intcntl
9h 00m
LHR12:45London Heathrow
16 Nov
LHR09:35London Heathrow
10h 30m
IAH14:05Houston George Bush Intcntl
£421
Find similar
Finnair
8 Oct
IAH14:25Houston George Bush Intcntl
18h 00m
1 stop
LHR14:25London Heathrow
13 Oct
LHR09:25London Heathrow
10h 20m
IAH13:45Houston George Bush Intcntl
£424
Find similar

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 22 August 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

Tue 7/10

21:00-12:20

Nonstop9h 20m

London Heathrow

Tue 14/10

09:25-13:45

Nonstop10h 20m

£386

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 5/10

14:15-07:15

1 stop11h 00m

London Heathrow

Wed 15/10

06:15-13:35

1 stop13h 20m

£387

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 2/9

11:05-06:20

2 stops13h 15m

London Heathrow

Tue 16/9

06:15-13:35

1 stop13h 20m

£391

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 9/12

07:46-19:00

2 stops29h 14m

London Gatwick

Wed 14/1

19:40-23:34

2 stops33h 54m

£392

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/9

14:32-10:50

1 stop14h 18m

London Heathrow

Wed 24/9

09:25-13:40

Nonstop10h 15m

£392

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/9

10:55-07:20

1 stop14h 25m

London Heathrow

Wed 24/9

13:40-23:56

1 stop16h 16m

£393

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 1/9

15:30-16:15

1 stop18h 45m

London Heathrow

Mon 8/9

20:55-13:15

1 stop22h 20m

£408

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sat 4/10

11:05-10:40

2 stops17h 35m

London Gatwick

Sat 11/10

12:20-00:35

2 stops18h 15m

£446

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Mon 8/9

15:35-16:25

1 stop18h 50m

London City

Mon 15/9

19:10-13:35

1 stop24h 25m

£513

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 8/10

15:35-18:35

1 stop21h 00m

London City

Mon 13/10

19:10-17:17

2 stops28h 07m

£520

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Houston George Bush Intcntl Airport and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Houston George Bush Intcntl Airport is in October. Flight prices, which tend to average around £492, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Houston George Bush Intcntl Airport averaging around £508.

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 £789.

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 £595. Flights at midday are often more expensive, with an average ticket price of £708.

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 £597 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 £532 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?

You could potentially save up to 14% on your flight if you consider stops on a Houston George Bush Intcntl Airport to London flight.

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

As of August 2025, prices for Houston George Bush Intcntl Airport to London flights are approximately 10% cheaper 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 £391.
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)
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  • 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
658 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £388Free CancellationRating
7.4
8,934 reviews
Search United Airlines flights
British AirwaysPriceFrom £448Free CancellationRating
6.7
7,292 reviews
Search British Airways flights
IberiaPriceFrom £452Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
LufthansaPriceFrom £454Free CancellationRating
6.8
7,350 reviews
Search Lufthansa 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 £910 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 2,884 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 £690, with deals from around £607 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
Slough
Gatwick
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dartford
Hounslow
Dover
Chelmsford
Hayes
Folkestone
Bedford

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
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