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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from $246

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 3/5. 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.
10:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
3:10 pm - 9:00 pmLHR-IAH
10h 50mnonstop
$581Iberia
Find Deal
Sat, Mar 22 - Sat, Mar 29
3:30 pm - 6:40 amIAH-LHR
9h 10mnonstop
9:25 am - 1:40 pmLHR-IAH
10h 15mnonstop
$583Iberia
Find Deal
Sat, Apr 5 - Mon, Apr 14
10:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
9:30 am - 3:10 pmLHR-IAH
10h 40mnonstop
$587Iberia
Find Deal
Mon, Mar 10 - Wed, Mar 19
3:58 pm - 10:35 amIAH-LHR
12h 37m1 stop
10:00 am - 1:35 pmLHR-IAH
33h 35m1 stop
$602Virgin Atlantic
Find Deal
Sun, Feb 16 - Tue, Mar 4
9:45 pm - 12:45 pmIAH-LHR
9h 00mnonstop
11:25 am - 11:58 pmLHR-IAH
18h 33m2 stops
$627British Airways
Find Deal
Mon, Feb 17 - Thu, Feb 27
8:45 am - 7:10 amIAH-LHR
17h 25m1 stop
6:30 am - 9:14 pmLHR-IAH
19h 44m2 stops
$629United Airlines
Find Deal
Mon, Mar 10 - Wed, Mar 19
9:38 pm - 7:55 amIAH-LHR
28h 17m1 stop
1:00 pm - 3:08 pmLHR-IAH
31h 08m1 stop
$630United Airlines
Find Deal
Sat, Mar 8 - Mon, Mar 17
4:53 pm - 11:30 amIAH-LHR
12h 37m1 stop
9:30 am - 2:10 pmLHR-IAH
10h 40mnonstop
$641British Airways
Find Deal
Wed, Feb 12 - Sun, Feb 16
3:58 pm - 11:10 amIAH-LHR
13h 12m2 stops
8:25 pm - 1:35 pmLHR-IAH
23h 10m1 stop
$662Virgin Atlantic
Find Deal
Wed, Feb 26 - Tue, Mar 4
4:30 pm - 12:45 pmIAH-LHR
14h 15m1 stop
7:40 am - 10:59 pmLHR-IAH
21h 19m2 stops
$698Lufthansa
Find Deal
Sun, Feb 16 - Tue, Mar 4

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

Our best Scandinavian Airlines deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets
Scandinavian Airlines
Feb 12
IAH6:10 amHouston George Bush Intcntl
29h 30m
2 stops
LHR5:40 pmLondon Heathrow
Feb 24
LHR6:40 pmLondon Heathrow
34h 57m
2 stops
IAH11:37 pmHouston George Bush Intcntl
Scandinavian Airlines
Feb 5
IAH7:05 amHouston George Bush Intcntl
26h 55m
2 stops
LHR4:00 pmLondon Heathrow
Feb 10
LHR6:40 amLondon Heathrow
23h 19m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Scandinavian Airlines
Feb 4
IAH6:10 amHouston George Bush Intcntl
29h 30m
2 stops
LHR5:40 pmLondon Heathrow
Feb 11
LHR6:40 amLondon Heathrow
22h 57m
2 stops
IAH11:37 pmHouston 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 10
IAH8:45 amHouston George Bush Intcntl
17h 25m
1 stop
LHR7:10 amLondon Heathrow
Mar 19
LHR6:30 amLondon Heathrow
19h 44m
2 stops
IAH9:14 pmHouston George Bush Intcntl
United Airlines
Mar 8
IAH9:38 pmHouston George Bush Intcntl
28h 17m
1 stop
LHR7:55 amLondon Heathrow
Mar 17
LHR1:00 pmLondon Heathrow
31h 08m
1 stop
IAH3:08 pmHouston George Bush Intcntl
United Airlines
Mar 9
IAH4:50 pmHouston George Bush Intcntl
36h 20m
1 stop
LHR10:10 amLondon Heathrow
Mar 18
LHR9:20 amLondon Heathrow
10h 35m
IAH2:55 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 cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Houston George Bush Intcntl Airport, with most prices found around $689. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Houston George Bush Intcntl Airport to London Heathrow Airport during February average around $709.

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 $1,057.

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?

You are more likely to see cheaper flights to London Heathrow Airport from Houston George Bush Intcntl Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $873 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Houston George Bush Intcntl Airport for as low as $832 on momondo.

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.

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

As of January 2025, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 47% cheaper 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

$246

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 $246. 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 $581.
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
Air FrancePriceFrom $540Free CancellationRating
7.4
1,475 reviews
Search Air France flights
JetBluePriceFrom $542Free CancellationRating
7.4
3,156 reviews
Search JetBlue flights
Air CanadaPriceFrom $568Free CancellationRating
7.0
8,638 reviews
Search Air Canada flights
FinnairPriceFrom $573Free CancellationRating
7.6
1,285 reviews
Search Finnair flights
IberiaPriceFrom $577Free CancellationRating
7.0
2,642 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $578Free CancellationRating
7.5
657 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $596Free CancellationRating
8.0
8,456 reviews
Search Delta flights
British AirwaysPriceFrom $598Free CancellationRating
6.6
6,796 reviews
Search British Airways flights
United AirlinesPriceFrom $608Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
LufthansaPriceFrom $616Free CancellationRating
6.7
7,053 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 10 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 $735. Our users have rated Finnair at 7.6/10.

  • 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 11 times each week, with ticket deals ranging from $922 to $1,436. Price data is based on momondo searches in the last 72 hours.


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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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