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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from £171

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 Heathrow Airport departing on 28/1. 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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Houston George Bush Intcntl Airport to London.

Cheap last-minute flights

Planning a quick getaway from Houston George Bush Intcntl Airport to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Houston George Bush Intcntl Airport to London

Find recent round-trip train or bus tickets from Houston George Bush Intcntl Airport to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
16:12 - 07:10IAH-LHR
32h 58m3 stops
06:00 - 08:37LHR-IAH
32h 37m3 stops
Thu, 6 Feb - Sun, 9 Feb
18:15 - 12:50IAH-LHR
36h 35m1 stop
14:50 - 12:45LHR-IAH
27h 55m1 stop
£435WestJet
Find Deal
Mon, 13 Jan - Tue, 28 Jan
17:37 - 12:10IAH-LHR
37h 33m2 stops
06:15 - 22:26LHR-IAH
21h 11m2 stops
£477British Airways
Find Deal
Sun, 9 Mar - Wed, 12 Mar
17:37 - 12:10IAH-LHR
37h 33m2 stops
09:30 - 15:10LHR-IAH
10h 40mdirect
£483British Airways
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Sun, 9 Mar - Wed, 12 Mar
14:40 - 06:20IAH-LHR
10h 40m1 stop
06:20 - 14:55LHR-IAH
13h 35m1 stop
£490Delta
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Mon, 10 Mar - Wed, 12 Mar
15:30 - 06:40IAH-LHR
9h 10mdirect
14:50 - 19:15LHR-IAH
10h 25mdirect
£508Iberia
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Tue, 29 Apr - Tue, 6 May
12:23 - 06:20IAH-LHR
11h 57m1 stop
09:30 - 14:10LHR-IAH
10h 40mdirect
£509Iberia
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Tue, 18 Feb - Wed, 5 Mar
16:25 - 07:30IAH-LHR
9h 05mdirect
06:30 - 18:45LHR-IAH
18h 15m2 stops
£510United Airlines
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Sun, 19 Jan - Fri, 31 Jan
19:55 - 11:05IAH-LHR
9h 10mdirect
09:30 - 18:20LHR-IAH
14h 50m1 stop
£514United Airlines
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Mon, 13 Jan - Tue, 21 Jan
15:58 - 11:40IAH-LHR
13h 42m1 stop
06:20 - 13:55LHR-IAH
13h 35m1 stop
£522Delta
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Tue, 14 Jan - Fri, 24 Jan
09:32 - 14:25IAH-LHR
22h 53m2 stops
Tue, 28 Jan
16:00 - 12:50IAH-LHR
14h 50m1 stop
£181WestJet
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Tue, 21 Jan
15:55 - 06:55IAH-LHR
9h 00mdirect
£289Iberia
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Wed, 22 Jan
06:30 - 07:10IAH-LHR
18h 40m3 stops
£328United Airlines
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Tue, 18 Feb
16:25 - 10:10IAH-LHR
35h 45m1 stop
£344United Airlines
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Sat, 28 Dec
15:55 - 06:55IAH-LHR
9h 00mdirect
£361Iberia
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Fri, 24 Jan
19:50 - 07:25IAH-LHR
53h 35m2 stops
£451Lufthansa
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Fri, 27 Dec
15:30 - 06:40IAH-LHR
9h 10mdirect
£520British Airways
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Sat, 24 May
15:55 - 06:55IAH-LHR
9h 00mdirect
£575British Airways
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Fri, 7 Mar
16:15 - 07:40IAH-LHR
9h 25mdirect
£789Lufthansa
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Mon, 7 Apr
21:45 - 12:45IAH-LHR
9h 00mdirect
15:15 - 19:05LHR-IAH
57h 50m2 stops
Sun, 22 Dec - Thu, 9 Jan
19:55 - 11:05IAH-LHR
9h 10mdirect
07:30 - 18:20LHR-IAH
16h 50m1 stop
£937United Airlines
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Tue, 24 Dec - Tue, 14 Jan
19:51 - 07:10IAH-LHR
29h 19m2 stops
09:30 - 18:20LHR-IAH
14h 50m1 stop
£941United Airlines
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Tue, 24 Dec - Tue, 14 Jan
19:55 - 11:05IAH-LHR
9h 10mdirect
12:50 - 17:35LHR-IAH
10h 45mdirect
£949United Airlines
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Tue, 24 Dec - Tue, 14 Jan
12:04 - 10:35IAH-LHR
16h 31m1 stop
06:30 - 23:06LHR-IAH
22h 36m2 stops
£950Delta
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Tue, 24 Dec - Tue, 14 Jan
21:45 - 12:45IAH-LHR
9h 00mdirect
15:10 - 20:00LHR-IAH
10h 50mdirect
£1,158British Airways
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Sat, 21 Dec - Sun, 19 Jan
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 14:10LHR-IAH
10h 40mdirect
£1,169British Airways
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Tue, 24 Dec - Tue, 14 Jan
21:45 - 12:45IAH-LHR
9h 00mdirect
15:10 - 20:00LHR-IAH
10h 50mdirect
£1,264Iberia
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Sat, 21 Dec - Sun, 19 Jan
06:00 - 07:55IAH-LHR
19h 55m1 stop
11:45 - 23:56LHR-IAH
18h 11m2 stops
£1,316Delta
Find Deal
Mon, 23 Dec - Tue, 31 Dec
19:50 - 10:50IAH-LHR
9h 00mdirect
18:30 - 14:40LHR-IAH
26h 10m1 stop
£1,555Lufthansa
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Fri, 20 Dec - Wed, 1 Jan
21:45 - 12:45IAH-LHR
9h 00mdirect
09:30 - 15:10LHR-IAH
10h 40mdirect
£506British Airways
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Tue, 18 Feb - Wed, 12 Mar
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 15:10LHR-IAH
10h 40mdirect
£506Iberia
Find Deal
Tue, 18 Feb - Wed, 12 Mar
15:30 - 06:40IAH-LHR
9h 10mdirect
14:50 - 19:15LHR-IAH
10h 25mdirect
£508Iberia
Find Deal
Tue, 29 Apr - Tue, 6 May
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 14:10LHR-IAH
10h 40mdirect
£511British Airways
Find Deal
Sun, 19 Jan - Fri, 31 Jan
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 14:10LHR-IAH
10h 40mdirect
£516Iberia
Find Deal
Wed, 15 Jan - Wed, 29 Jan
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 14:10LHR-IAH
10h 40mdirect
£518Finnair
Find Deal
Mon, 13 Jan - Thu, 23 Jan
15:55 - 06:55IAH-LHR
9h 00mdirect
09:30 - 14:10LHR-IAH
10h 40mdirect
£519Finnair
Find Deal
Mon, 13 Jan - Tue, 21 Jan
16:25 - 07:30IAH-LHR
9h 05mdirect
09:20 - 14:05LHR-IAH
10h 45mdirect
£566United Airlines
Find Deal
Fri, 10 Jan - Tue, 14 Jan
19:50 - 10:50IAH-LHR
9h 00mdirect
09:20 - 14:05LHR-IAH
10h 45mdirect
£566United Airlines
Find Deal
Fri, 17 Jan - Wed, 22 Jan
19:50 - 10:50IAH-LHR
9h 00mdirect
09:20 - 14:05LHR-IAH
10h 45mdirect
£921Lufthansa
Find Deal
Fri, 17 Jan - Wed, 22 Jan

WestJet flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best WestJet deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
WestJet
13 Jan
IAH18:15Houston George Bush Intcntl
36h 35m
1 stop
LHR12:50London Heathrow
28 Jan
LHR14:50London Heathrow
27h 55m
1 stop
IAH12:45Houston George Bush Intcntl
WestJet
13 Jan
IAH18:15Houston George Bush Intcntl
36h 35m
1 stop
LHR12:50London Heathrow
22 Jan
LHR14:50London Heathrow
27h 55m
1 stop
IAH12:45Houston George Bush Intcntl
WestJet
17 Jan
IAH18:15Houston George Bush Intcntl
36h 35m
1 stop
LHR12:50London Heathrow
4 Feb
LHR14:50London Heathrow
27h 56m
1 stop
IAH12:46Houston George Bush Intcntl

British Airways flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best British Airways deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
British Airways
9 Mar
IAH17:37Houston George Bush Intcntl
37h 33m
2 stops
LHR12:10London Heathrow
12 Mar
LHR06:15London Heathrow
21h 11m
2 stops
IAH22:26Houston George Bush Intcntl
British Airways
9 Mar
IAH17:37Houston George Bush Intcntl
37h 33m
2 stops
LHR12:10London Heathrow
12 Mar
LHR09:30London Heathrow
10h 40m
IAH15:10Houston George Bush Intcntl
British Airways
18 Feb
IAH21:45Houston George Bush Intcntl
9h 00m
LHR12:45London Heathrow
12 Mar
LHR09:30London Heathrow
10h 40m
IAH15:10Houston George Bush Intcntl

See travel insights to London from

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

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 Heathrow Airport?

In general, September is the cheapest month to fly from Houston George Bush Intcntl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £531. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Houston George Bush Intcntl Airport averaging around £532.

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

On average, the least expensive day to fly to London Heathrow Airport from Houston George Bush Intcntl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £528. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £911.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Houston George Bush Intcntl Airport to London Heathrow Airport in the morning for as low as £591. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £711 on average. Flights to London Heathrow Airport from Houston George Bush Intcntl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

Most flyers found that booking tickets 33 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around £704. However, in the past 72 hours, people saw flights from Houston George Bush Intcntl Airport for as low as £437.

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

There are 3 cabin classes available to choose from on Houston George Bush Intcntl to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Houston George Bush Intcntl Airport to London Heathrow Airport flight.

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

As of December 2024, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to London Heathrow Airport 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 Heathrow Airport (IAH to LHR) flight deals and tips

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

Best price found

£171

Fastest flight time

9h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Houston George Bush Intcntl Airport in the past 72 hours is £171. The best return flight deal from Houston George Bush Intcntl Airport to London Heathrow Airport found on momondo in the last 72 hours is £426.
The fastest flight from Houston George Bush Intcntl Airport to London Heathrow Airport takes 9h 00m
Direct flights go from Houston George Bush Intcntl Airport to London Heathrow Airport every day.

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

    A flight from Houston George Bush Intcntl to London Heathrow will travel around 4820.4 mi. A reasonable flight in good conditions will take 9h 00m.

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

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

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

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

    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 Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to London Heathrow Airport?

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


Best airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £445Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
LufthansaPriceFrom £475Free CancellationRating
6.8
7,087 reviews
Search Lufthansa flights
IberiaPriceFrom £482Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
United AirlinesPriceFrom £498Free CancellationRating
7.4
9,048 reviews
Search United Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    United Airlines operates around 14 flights from Houston George Bush Intcntl Airport to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £914, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to London Heathrow Airport from as low as £631 round-trip. United Airlines has been scored 7.4/10 in 9,048 reviews.

  • Iberia Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    Across 2,655 Iberia reviews on momondo, the average score is 7.0/10. Iberia flies from Houston George Bush Intcntl Airport to London Heathrow Airport about 9 times each week, with ticket deals ranging from £611 to £730. Price data is based on momondo searches in the last 72 hours.


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?

All flight searches from Houston to London on momondo can be filtered to show those which offer flexible booking policies.

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?

Price alerts on flights to London from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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