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Cheap flights from London Heathrow Airport to Houston from £306

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 25/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:30 - 21:13
LHR
-
IAH
31h 43m2 stops
Scandinavian Airlines Logo
09:54 - 21:40
IAH
-
LHR
29h 46m2 stops
£603Scandinavian Airlines
Sun, 18 Jan - Thu, 22 Jan
Multiple Airlines Logo
09:55 - 15:15
LHR
-
IAH
35h 20m2 stops
Multiple Airlines Logo
19:27 - 20:10
IAH
-
LHR
18h 43m1 stop
£606Multiple Airlines
Wed, 14 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
10:20 - 23:37
LHR
-
IAH
19h 17m2 stops
Scandinavian Airlines Logo
16:00 - 18:30
IAH
-
LHR
21h 30m2 stops
£609Scandinavian Airlines
Tue, 20 Jan - Tue, 24 Mar
JetBlue Logo
09:20 - 10:17
LHR
-
IAH
29h 57m1 stop
JetBlue Logo
11:10 - 06:55
IAH
-
LHR
14h 45m1 stop
£610JetBlue
Mon, 23 Mar - Fri, 27 Mar
WestJet Logo
14:50 - 12:44
LHR
-
IAH
27h 54m1 stop
WestJet Logo
18:20 - 12:50
IAH
-
LHR
36h 30m1 stop
£611WestJet
Sun, 18 Jan - Thu, 22 Jan
Scandinavian Airlines Logo
06:40 - 23:56
LHR
-
IAH
23h 16m2 stops
Scandinavian Airlines Logo
14:23 - 21:40
IAH
-
LHR
25h 17m2 stops
£613Scandinavian Airlines
Mon, 23 Feb - Sat, 28 Feb
Scandinavian Airlines Logo
17:00 - 23:56
LHR
-
IAH
36h 56m2 stops
Scandinavian Airlines Logo
16:06 - 18:30
IAH
-
LHR
20h 24m2 stops
£615Scandinavian Airlines
Fri, 16 Jan - Sun, 1 Feb
WestJet Logo
14:50 - 12:44
LHR
-
IAH
27h 54m1 stop
WestJet Logo
18:20 - 12:50
IAH
-
LHR
36h 30m1 stop
£616WestJet
Thu, 22 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
06:40 - 23:37
LHR
-
IAH
22h 57m2 stops
Scandinavian Airlines Logo
12:42 - 17:40
IAH
-
LHR
22h 58m2 stops
£617Scandinavian Airlines
Thu, 5 Feb - Mon, 16 Feb
WestJet Logo
14:50 - 12:44
LHR
-
IAH
27h 54m1 stop
WestJet Logo
18:20 - 12:50
IAH
-
LHR
36h 30m1 stop
£619WestJet
Thu, 22 Jan - Mon, 26 Jan

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

Our best JetBlue deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
JetBlue
23 Mar
LHR09:20London Heathrow
29h 57m
1 stop
IAH10:17Houston George Bush Intcntl
27 Mar
IAH11:10Houston George Bush Intcntl
14h 45m
1 stop
LHR06:55London Heathrow
£610
Find similar
JetBlue
8 Jan
LHR09:20London Heathrow
32h 19m
1 stop
IAH11:39Houston George Bush Intcntl
15 Jan
IAH12:24Houston George Bush Intcntl
12h 31m
1 stop
LHR06:55London Heathrow
£632
Find similar
JetBlue
6 Mar
LHR09:20London Heathrow
34h 39m
1 stop
IAH13:59Houston George Bush Intcntl
16 Mar
IAH11:10Houston George Bush Intcntl
14h 45m
1 stop
LHR06:55London Heathrow
£644
Find similar

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

Our best WestJet deals on London Heathrow Airport to Houston George Bush Intcntl Airport flight tickets
WestJet
18 Jan
LHR14:50London Heathrow
27h 54m
1 stop
IAH12:44Houston George Bush Intcntl
22 Jan
IAH18:20Houston George Bush Intcntl
36h 30m
1 stop
LHR12:50London Heathrow
£611
Find similar
WestJet
22 Jan
LHR14:50London Heathrow
27h 54m
1 stop
IAH12:44Houston George Bush Intcntl
26 Jan
IAH18:20Houston George Bush Intcntl
36h 30m
1 stop
LHR12:50London Heathrow
£616
Find similar
WestJet
22 Jan
LHR14:50London Heathrow
27h 54m
1 stop
IAH12:44Houston George Bush Intcntl
26 Jan
IAH18:20Houston George Bush Intcntl
36h 30m
1 stop
LHR12:50London Heathrow
£619
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 18/1

19:30-21:13

2 stops31h 43m

Houston George Bush Intcntl

Thu 22/1

09:54-21:40

2 stops29h 46m

£603

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 14/1

09:55-15:15

2 stops35h 20m

Houston George Bush Intcntl

Mon 26/1

19:27-20:10

1 stop18h 43m

£606

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 20/1

10:20-23:37

2 stops19h 17m

Houston George Bush Intcntl

Tue 24/3

16:00-18:30

2 stops21h 30m

£609

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 23/3

09:20-10:17

1 stop29h 57m

Houston George Bush Intcntl

Fri 27/3

11:10-06:55

1 stop14h 45m

£610

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 18/1

14:50-12:44

1 stop27h 54m

Houston George Bush Intcntl

Thu 22/1

18:20-12:50

1 stop36h 30m

£611

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 23/2

06:40-23:56

2 stops23h 16m

Houston George Bush Intcntl

Sat 28/2

14:23-21:40

2 stops25h 17m

£613

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 16/1

17:00-23:56

2 stops36h 56m

Houston George Bush Intcntl

Sun 1/2

16:06-18:30

2 stops20h 24m

£615

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 22/1

14:50-12:44

1 stop27h 54m

Houston George Bush Intcntl

Mon 26/1

18:20-12:50

1 stop36h 30m

£616

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 5/2

06:40-23:37

2 stops22h 57m

Houston George Bush Intcntl

Mon 16/2

12:42-17:40

2 stops22h 58m

£617

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 22/1

14:50-12:44

1 stop27h 54m

Houston George Bush Intcntl

Mon 26/1

18:20-12:50

1 stop36h 30m

£619

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

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

In general, February is the cheapest month to fly from London Heathrow Airport to Houston George Bush Intcntl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £617. If you aren’t able to travel to Houston George Bush Intcntl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £644.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that Wednesday is the least expensive day to fly to Houston George Bush Intcntl Airport. Tickets to fly out on this day can be as low as £696. The most expensive day to fly to Houston George Bush Intcntl Airport is Saturday, with ticket prices averaging around £751.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest London Heathrow Airport to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as £628. Try not to purchase tickets in the morning because they tend to be around £722. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around £751 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from London Heathrow Airport for as low as £650 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to Houston George Bush Intcntl 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 London Heathrow Airport to Houston George Bush Intcntl Airport flights?

You could potentially save up to 41% on your flight if you consider stops on a London Heathrow Airport to Houston George Bush Intcntl Airport flight.

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

As of December 2025, prices for London Heathrow Airport to Houston George Bush Intcntl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Houston George Bush Intcntl Airport (LHR to IAH) flight deals and tips

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

Best price found

£455

Fastest flight time

10h 15m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from London Heathrow Airport in the past 72 hours is £455. The best return flight deal from London Heathrow Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is £714.
The fastest flight from London Heathrow Airport to Houston George Bush Intcntl Airport takes 10h 15m
Direct flights go from London Heathrow Airport to Houston George Bush Intcntl Airport every day.
Search flight deals

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

    There are 4820.4 mi between London Heathrow and Houston George Bush Intcntl. 10h 15m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Houston George Bush Intcntl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl 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 Houston George Bush Intcntl 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 London Heathrow Airport to Houston George Bush Intcntl Airport?

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

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

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom £383Free CancellationRating
7.2
3,197 reviews
Search WestJet flights
Virgin AtlanticPriceFrom £422Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £469Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
IcelandairPriceFrom £489Free CancellationRating
7.0
589 reviews
Search Icelandair flights
LufthansaPriceFrom £497Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
FinnairPriceFrom £507Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
British AirwaysPriceFrom £538Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
Air CanadaPriceFrom £554Free CancellationRating
7.1
10,518 reviews
Search Air Canada flights
Austrian AirlinesPriceFrom £598Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom £603Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

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

    Across 9 Finnair flights from London Heathrow Airport to Houston George Bush Intcntl Airport this week, the average price was £646, with the best Finnair deals starting from £507 round-trip. 1,335 users have rated Finnair on momondo, with an average score of 7.6/10.

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

    Another popular option for London Heathrow Airport to Houston George Bush Intcntl Airport flights is Austrian Airlines (7.6/10, 879 ratings). Austrian Airlines flies from London Heathrow Airport to Houston George Bush Intcntl Airport around 14 times per week, with deals starting from £598 round-trip and rising to an average price of around £813.

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Cypress
Spring
The Woodlands
Montgomery
Katy

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

Finding the right flight to Houston from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from London to Houston with flexible booking policies on momondo?

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

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

Once all potential London to Houston 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 London to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from London and alert you when they change.

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