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Cheap flights from Houston George Bush Intcntl Airport to London from £161

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 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to London

Cheap return flights

 Logo
21:09 - 10:00IAH-LGW
30h 51m1 stop
 Logo
14:00 - 00:15LGW-IAH
16h 15m1 stop
Thu, 31 Jul - Wed, 10 Sep
 Logo
16:29 - 07:00IAH-LGW
32h 31m1 stop
 Logo
10:00 - 21:00LGW-IAH
17h 00m1 stop
Mon, 11 Aug - Wed, 27 Aug
British Airways Logo
21:00 - 12:20IAH-LHR
9h 20mdirect
British Airways Logo
14:50 - 19:15LHR-IAH
10h 25mdirect
£426British Airways
Find Deal
Wed, 13 Aug - Tue, 19 Aug
British Airways Logo
15:30 - 06:40IAH-LHR
9h 10mdirect
British Airways Logo
09:25 - 13:45LHR-IAH
10h 20mdirect
£427British Airways
Find Deal
Wed, 1 Oct - Fri, 10 Oct
United Airlines Logo
10:00 - 06:30IAH-LHR
14h 30m1 stop
United Airlines Logo
08:30 - 17:50LHR-IAH
15h 20m1 stop
£440United Airlines
Find Deal
Tue, 7 Oct - Wed, 15 Oct
Iberia Logo
21:40 - 13:00IAH-LHR
9h 20mdirect
Iberia Logo
09:25 - 13:40LHR-IAH
10h 15mdirect
£444Iberia
Find Deal
Sun, 14 Sep - Wed, 24 Sep
Iberia Logo
21:40 - 13:00IAH-LHR
9h 20mdirect
Iberia Logo
09:25 - 13:40LHR-IAH
10h 15mdirect
£445Iberia
Find Deal
Sun, 21 Sep - Tue, 30 Sep
United Airlines Logo
10:00 - 06:30IAH-LHR
14h 30m1 stop
United Airlines Logo
09:30 - 17:50LHR-IAH
14h 20m1 stop
£454United Airlines
Find Deal
Sun, 27 Jul - Wed, 13 Aug
Lufthansa Logo
18:50 - 16:40IAH-LHR
15h 50m2 stops
Lufthansa Logo
06:30 - 22:41LHR-IAH
22h 11m2 stops
£501Lufthansa
Find Deal
Sun, 14 Sep - Wed, 24 Sep
Lufthansa Logo
16:59 - 17:05IAH-LHR
18h 06m2 stops
Lufthansa Logo
07:30 - 13:35LHR-IAH
36h 05m1 stop
£528Lufthansa
Find Deal
Tue, 5 Aug - Thu, 14 Aug

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
13 Aug
IAH21:00Houston George Bush Intcntl
9h 20m
LHR12:20London Heathrow
19 Aug
LHR14:50London Heathrow
10h 25m
IAH19:15Houston George Bush Intcntl
British Airways
1 Oct
IAH15:30Houston George Bush Intcntl
9h 10m
LHR06:40London Heathrow
10 Oct
LHR09:25London Heathrow
10h 20m
IAH13:45Houston George Bush Intcntl
British Airways
13 Aug
IAH13:07Houston George Bush Intcntl
11h 43m
1 stop
LHR06:50London Heathrow
19 Aug
LHR14:50London Heathrow
10h 25m
IAH19:15Houston George Bush Intcntl

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
13 Aug
IAH14:32Houston George Bush Intcntl
12h 28m
1 stop
LHR09:00London Heathrow
3 Sept
LHR10:20London Heathrow
19h 19m
2 stops
IAH23:39Houston George Bush Intcntl
Finnair
16 Sept
IAH15:30Houston George Bush Intcntl
9h 10m
LHR06:40London Heathrow
23 Sept
LHR16:10London Heathrow
31h 33m
2 stops
IAH17:43Houston George Bush Intcntl
Finnair
16 Sept
IAH14:35Houston George Bush Intcntl
12h 25m
1 stop
LHR09:00London Heathrow
23 Sept
LHR18:10London Heathrow
29h 33m
2 stops
IAH17:43Houston 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 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 £497, 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 £514.

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 £539. 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 £798.

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 £667. Flights at midday are often more expensive, with an average ticket price of £716.

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 15 weeks ahead of your departure date. In general, you can expect to find flights to London for around £621 when searching 15 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 £551 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.

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

As of May 2025, prices for Houston George Bush Intcntl Airport to London flights are approximately 13% 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

£161

Fastest flight time

9h 00m

Direct flights

Every day

Airports in London

3 airports
The best one-way flight to London from Houston George Bush Intcntl Airport in the past 72 hours is £161. The best return flight deal from Houston George Bush Intcntl Airport to London found on momondo in the last 72 hours is £402.
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 3 airports near London: London City (LCY), London Heathrow (LHR), 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 10m 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 £425Free CancellationRating
6.6
6,890 reviews
Search British Airways flights
IberiaPriceFrom £437Free CancellationRating
7.0
2,732 reviews
Search Iberia flights
LufthansaPriceFrom £460Free CancellationRating
6.7
7,072 reviews
Search Lufthansa flights
United AirlinesPriceFrom £475Free CancellationRating
7.4
8,730 reviews
Search United Airlines 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 £631 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually £983 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 2,732 reviews) operates around 14 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
Southend-on-Sea
Slough
Maidstone
Gatwick
Ipswich
Canterbury
Ilford
Margate
Dartford
Hounslow
Colchester
Guildford
Winchester
Worthing
Crawley
Croydon
Chichester

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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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London