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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from $228

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 1/22. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
4:12 pm - 7:10 amIAH-LHR
32h 58m3 stops
6:00 am - 8:37 amLHR-IAH
32h 37m3 stops
Thu, Feb 6 - Sun, Feb 9
6:15 pm - 12:50 pmIAH-LHR
36h 35m1 stop
2:50 pm - 12:45 pmLHR-IAH
27h 55m1 stop
$553WestJet
Find Deal
Mon, Jan 13 - Tue, Jan 28
6:15 pm - 12:50 pmIAH-LHR
36h 35m1 stop
2:50 pm - 12:45 pmLHR-IAH
27h 55m1 stop
$556WestJet
Find Deal
Mon, Jan 13 - Tue, Jan 28
4:30 pm - 10:10 amIAH-LHR
36h 40m1 stop
6:30 am - 8:17 pmLHR-IAH
18h 47m2 stops
$600United Airlines
Find Deal
Sun, Mar 9 - Wed, Mar 12
10:20 pm - 9:40 amIAH-LHR
29h 20m1 stop
6:50 am - 8:17 pmLHR-IAH
18h 27m2 stops
$613United Airlines
Find Deal
Sat, Mar 8 - Tue, Mar 11
11:15 am - 12:05 pmIAH-LHR
18h 50m2 stops
6:45 pm - 10:26 pmLHR-IAH
32h 41m2 stops
$614British Airways
Find Deal
Tue, Feb 18 - Wed, Mar 12
9:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
7:05 pm - 10:26 pmLHR-IAH
32h 21m2 stops
$617British Airways
Find Deal
Tue, Feb 18 - Wed, Mar 12
4:30 pm - 12:45 pmIAH-LHR
14h 15m1 stop
7:30 pm - 2:40 pmLHR-IAH
25h 10m1 stop
$643Lufthansa
Find Deal
Mon, Jan 20 - Mon, Jan 27
12:24 pm - 6:20 amIAH-LHR
11h 56m1 stop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$644Iberia
Find Deal
Tue, Feb 18 - Wed, Mar 5
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$653Iberia
Find Deal
Wed, Jan 15 - Tue, Jan 21
1:35 pm - 12:50 pmIAH-LHR
17h 15m1 stop
$228WestJet
Find Deal
Wed, Jan 22
9:32 am - 2:25 pmIAH-LHR
22h 53m2 stops
Tue, Jan 14
4:30 pm - 12:45 pmIAH-LHR
14h 15m1 stop
$303Lufthansa
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Wed, Jan 15
3:35 pm - 2:40 pmIAH-LHR
17h 05m1 stop
$338Lufthansa
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Sun, Apr 13
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
$410British Airways
Find Deal
Wed, Jan 22
8:50 pm - 10:50 amIAH-LHR
9h 00mnonstop
$412United Airlines
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Wed, Mar 12
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
$413Iberia
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Wed, Jan 15
9:40 pm - 1:00 pmIAH-LHR
9h 20mnonstop
$420Iberia
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Sun, Apr 6
9:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
$436British Airways
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Tue, Dec 31
4:25 pm - 7:30 amIAH-LHR
9h 05mnonstop
$450United Airlines
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Sun, Dec 29
8:45 pm - 11:30 amIAH-LHR
32h 45m1 stop
2:50 pm - 12:45 pmLHR-IAH
27h 55m1 stop
Thu, Dec 26 - Sun, Jan 26
4:23 pm - 7:20 amIAH-LHR
32h 57m1 stop
12:10 pm - 10:01 pmLHR-IAH
15h 51m1 stop
$954British Airways
Find Deal
Sat, Dec 28 - Fri, Jan 10
4:25 pm - 10:10 amIAH-LHR
35h 45m1 stop
12:45 pm - 5:30 pmLHR-IAH
10h 45mnonstop
$974United Airlines
Find Deal
Sat, Dec 28 - Fri, Jan 10
4:25 pm - 10:10 amIAH-LHR
35h 45m1 stop
11:10 am - 9:10 amLHR-IAH
28h 00m1 stop
$979United Airlines
Find Deal
Sat, Dec 28 - Fri, Jan 10
6:26 pm - 8:35 pmIAH-LHR
20h 09m2 stops
11:10 am - 9:14 pmLHR-IAH
16h 04m1 stop
$985Air Canada
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Sat, Dec 28 - Fri, Jan 10
6:56 pm - 7:20 amIAH-LHR
30h 24m1 stop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$1,400Iberia
Find Deal
Sat, Dec 28 - Wed, Jan 8
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$1,483Iberia
Find Deal
Tue, Dec 24 - Tue, Jan 14
6:26 pm - 8:35 pmIAH-LHR
20h 09m2 stops
11:05 am - 10:18 pmLHR-IAH
41h 13m2 stops
$1,489Air Canada
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Sat, Dec 28 - Mon, Jan 6
4:30 pm - 2:45 pmIAH-LHR
16h 15m1 stop
12:45 pm - 5:30 pmLHR-IAH
10h 45mnonstop
$1,554Lufthansa
Find Deal
Fri, Dec 27 - Fri, Jan 10
4:30 pm - 12:45 pmIAH-LHR
14h 15m1 stop
6:30 pm - 2:40 pmLHR-IAH
26h 10m1 stop
$1,951Lufthansa
Find Deal
Thu, Dec 26 - Mon, Dec 30
3:30 pm - 6:40 amIAH-LHR
9h 10mnonstop
9:25 am - 1:40 pmLHR-IAH
10h 15mnonstop
$631British Airways
Find Deal
Sun, Apr 6 - Fri, Apr 18
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
9:30 am - 3:10 pmLHR-IAH
10h 40mnonstop
$640British Airways
Find Deal
Tue, Feb 18 - Wed, Mar 12
10:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
2:50 pm - 7:15 pmLHR-IAH
10h 25mnonstop
$642Iberia
Find Deal
Mon, Mar 24 - Wed, Apr 16
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$647British Airways
Find Deal
Tue, Feb 4 - Tue, Mar 4
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$653Iberia
Find Deal
Wed, Jan 15 - Tue, Jan 21
4:25 pm - 7:30 amIAH-LHR
9h 05mnonstop
9:20 am - 2:05 pmLHR-IAH
10h 45mnonstop
$666United Airlines
Find Deal
Wed, Jan 8 - Fri, Jan 17
7:50 pm - 10:50 amIAH-LHR
9h 00mnonstop
12:50 pm - 5:35 pmLHR-IAH
10h 45mnonstop
$667United Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
4:25 pm - 7:30 amIAH-LHR
9h 05mnonstop
9:20 am - 2:05 pmLHR-IAH
10h 45mnonstop
$700Lufthansa
Find Deal
Mon, Feb 17 - Fri, Feb 21
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
3:10 pm - 8:00 pmLHR-IAH
10h 50mnonstop
$946American Airlines
Find Deal
Tue, Jan 7 - Mon, Jan 13
3:55 pm - 6:55 amIAH-LHR
9h 00mnonstop
3:10 pm - 8:00 pmLHR-IAH
10h 50mnonstop
$967American Airlines
Find Deal
Thu, Jan 9 - Mon, Jan 13

Air Canada flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best Air Canada deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
Air Canada
Feb 28
IAH6:20 pmHouston George Bush Intcntl
44h 15m
2 stops
LHR8:35 pmLondon Heathrow
Mar 3
LHR11:05 amLondon Heathrow
41h 23m
2 stops
IAH10:28 pmHouston George Bush Intcntl
Air Canada
Feb 3
IAH9:30 amHouston George Bush Intcntl
15h 40m
1 stop
LHR7:10 amLondon Heathrow
Feb 11
LHR3:00 pmLondon Heathrow
26h 12m
2 stops
IAH11:12 amHouston George Bush Intcntl
Air Canada
Feb 3
IAH7:20 amHouston George Bush Intcntl
17h 50m
2 stops
LHR7:10 amLondon Heathrow
Feb 11
LHR3:00 pmLondon Heathrow
26h 12m
2 stops
IAH11:12 amHouston George Bush Intcntl

United Airlines flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best United Airlines deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
United Airlines
Mar 9
IAH4:30 pmHouston George Bush Intcntl
36h 40m
1 stop
LHR10:10 amLondon Heathrow
Mar 12
LHR6:30 amLondon Heathrow
18h 47m
2 stops
IAH8:17 pmHouston George Bush Intcntl
United Airlines
Mar 8
IAH10:20 pmHouston George Bush Intcntl
29h 20m
1 stop
LHR9:40 amLondon Heathrow
Mar 11
LHR6:50 amLondon Heathrow
18h 27m
2 stops
IAH8:17 pmHouston George Bush Intcntl
United Airlines
Mar 16
IAH9:30 amHouston George Bush Intcntl
16h 40m
1 stop
LHR7:10 amLondon Heathrow
Mar 25
LHR6:30 amLondon Heathrow
17h 19m
2 stops
IAH6:49 pmHouston 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 typical price of a round-trip flight between Houston George Bush Intcntl Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Houston George Bush Intcntl Airport, with most prices found around $673. If you’re not able to fly to London Heathrow Airport in September, then October is your next best option. Flight prices from Houston George Bush Intcntl Airport to London Heathrow Airport during October average around $680.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $781. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $954.

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 at noon. momondo users have found flights departing from Houston George Bush Intcntl Airport to London Heathrow Airport at noon for as low as $886. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $936.

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?

We recommend purchasing flights from Houston George Bush Intcntl Airport to London Heathrow Airport 58 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to London Heathrow Airport for $893. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $700.

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

There are 4 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 46% 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 round-trip 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

$228

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 $228. The best round-trip flight deal from Houston George Bush Intcntl Airport to London Heathrow Airport found on momondo in the last 72 hours is $540.
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?

    The distance between Houston George Bush Intcntl and London Heathrow is about 4820.4 mi. 9h 00m is a normal flight duration for this route.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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
KLMPriceFrom $482Free CancellationRating
7.8
1,345 reviews
Search KLM flights
Air FrancePriceFrom $547Free CancellationRating
7.4
1,503 reviews
Search Air France flights
Air CanadaPriceFrom $568Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
FinnairPriceFrom $573Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $576Free CancellationRating
7.5
667 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $576Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
DeltaPriceFrom $596Free CancellationRating
8.0
8,588 reviews
Search Delta flights
British AirwaysPriceFrom $597Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
United AirlinesPriceFrom $608Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
LufthansaPriceFrom $621Free CancellationRating
6.8
7,083 reviews
Search Lufthansa flights
  • Finnair Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    Finnair is one of the most popular airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport, operating 12 flights/week on average for this route. A good Finnair flight deal for Houston George Bush Intcntl Airport to London Heathrow Airport starts from $573 round-trip, up to an average price of $739. Our users have rated Finnair at 7.7/10.

  • Austrian Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

    Across 786 Austrian Airlines reviews on momondo, the average score is 7.5/10. Austrian Airlines flies from Houston George Bush Intcntl Airport to London Heathrow Airport about 14 times each week, with ticket deals ranging from $922 to $1,497. 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?

Yes. momondo allows you to filter the results for Houston to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to London?

momondo helps you find the best flight between Houston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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