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Cheap flights from Houston George Bush Intcntl Airport to London from £156

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 3/4. 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 London

Cheap return flights

These are some of the best return flight deals from Houston George Bush Intcntl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
21:21 - 06:20IAH-LGW
26h 59m2 stops
08:50 - 14:11LGW-IAH
35h 21m2 stops
Wed, 2 Apr - Wed, 30 Apr
20:32 - 10:00IAH-LGW
31h 28m1 stop
08:50 - 14:11LGW-IAH
35h 21m2 stops
Tue, 1 Apr - Wed, 30 Apr
21:00 - 12:20IAH-LHR
9h 20mdirect
09:25 - 13:40LHR-IAH
10h 15mdirect
£457Iberia
Find Deal
Tue, 22 Apr - Wed, 7 May
16:57 - 12:15IAH-LHR
13h 18m1 stop
09:25 - 13:40LHR-IAH
10h 15mdirect
£458Iberia
Find Deal
Tue, 22 Apr - Tue, 29 Apr
22:45 - 12:45IAH-LHR
9h 00mdirect
09:25 - 13:40LHR-IAH
10h 15mdirect
£471British Airways
Find Deal
Mon, 17 Mar - Tue, 1 Apr
17:25 - 07:30IAH-LHR
9h 05mdirect
07:40 - 17:10LHR-IAH
14h 30m1 stop
£488United Airlines
Find Deal
Fri, 21 Mar - Fri, 28 Mar
20:50 - 10:50IAH-LHR
9h 00mdirect
15:00 - 08:35LHR-IAH
46h 35m2 stops
£489United Airlines
Find Deal
Sun, 16 Mar - Sun, 23 Mar
16:55 - 06:55IAH-LHR
9h 00mdirect
15:10 - 21:38LHR-IAH
35h 28m2 stops
£496British Airways
Find Deal
Wed, 19 Mar - Mon, 24 Mar
17:30 - 17:40IAH-LCY
19h 10m1 stop
19:10 - 13:35LCY-IAH
24h 25m1 stop
£578Lufthansa
Find Deal
Mon, 24 Mar - Mon, 31 Mar
15:35 - 18:35IAH-LCY
21h 00m1 stop
19:10 - 13:35LCY-IAH
24h 25m1 stop
£580Lufthansa
Find Deal
Tue, 15 Apr - Thu, 24 Apr

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
22 Apr
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
7 May
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl
Iberia
22 Apr
IAH16:57Houston George Bush Intcntl
13h 18m
1 stop
LHR12:15London Heathrow
29 Apr
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl
Iberia
22 Apr
IAH16:57Houston George Bush Intcntl
13h 18m
1 stop
LHR12:15London Heathrow
30 Apr
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl

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
17 Mar
IAH22:45Houston George Bush Intcntl
9h 00m
LHR12:45London Heathrow
1 Apr
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl
British Airways
19 Mar
IAH16:55Houston George Bush Intcntl
9h 00m
LHR06:55London Heathrow
24 Mar
LHR15:10London Heathrow
35h 28m
2 stops
IAH21:38Houston George Bush Intcntl
British Airways
7 May
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
15 May
LHR09:25London Heathrow
10h 15m
IAH13:40Houston George Bush Intcntl

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 £523, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Houston George Bush Intcntl Airport averaging around £551.

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 £567. 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 £838.

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 evening when flights can be purchased for as low as £665. Flights at midday are often more expensive, with an average ticket price of £752.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to London for around £674 when searching 25 weeks out.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 £617 on momondo.

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

There are 3 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.

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

As of March 2025, prices for Houston George Bush Intcntl Airport to London flights are approximately 6% 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

£156

Fastest flight time

9h 00m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Houston George Bush Intcntl Airport in the past 72 hours is £156. The best return flight deal from Houston George Bush Intcntl Airport to London found on momondo in the last 72 hours is £353.
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 are 4 airports near London: London Luton (LTN), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • 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
British AirwaysPriceFrom £446Free CancellationRating
6.6
6,740 reviews
Search British Airways flights
IberiaPriceFrom £459Free CancellationRating
7.0
2,642 reviews
Search Iberia flights
United AirlinesPriceFrom £471Free CancellationRating
7.4
8,679 reviews
Search United Airlines flights
LufthansaPriceFrom £476Free CancellationRating
6.7
6,970 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 £596 round-trip. Over the 9 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 2,642 reviews) operates around 8 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 £581 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
Slough
Southend-on-Sea
Ipswich
Gatwick
Maidstone
Margate
Hounslow
Canterbury
Ilford
Dartford
Colchester
Winchester
Guildford
Chichester
Croydon
Crawley
Worthing

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