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$284+ Cheap flights from Houston to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to London Heathrow are usually found in February or October, booked 74 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 30, 2025.

Round-trip from

$561
(lastminute.com)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$669
From Houston to London Heathrow
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One-way flight from Houston to London Heathrow
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Highest demand for flights based on searches. 19% potential increase in price ($201 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Houston to Heathrow

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This lastminute.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/912:35 pmIAH - LHR
1 stop13h 15mVirgin Atlantic
mar. 11/256:30 amLHR - IAH
1 stop13h 00mVirgin Atlantic
Deal found 10/30$561
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1012:30 pmIAH - LHR
2 stops26h 05mAir Canada
mar. 11/256:50 amLHR - IAH
2 stops20h 49mAir Canada
Deal found 10/30$568
This lastminute.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/101:36 pmIAH - LHR
1 stop10h 49mVirgin Atlantic
mar. 11/256:30 amLHR - IAH
1 stop13h 00mVirgin Atlantic
Deal found 10/30$573
This Gotogate deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/95:25 pmIAH - LHR
1 stop36h 25mAir Canada
mar. 11/256:50 amLHR - IAH
2 stops20h 49mAir Canada
Deal found 10/28$575
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/309:50 pmIAH - LHR
Nonstop9h 00mBritish Airways
mar. 12/239:35 amLHR - IAH
Nonstop10h 30mBritish Airways
Deal found 10/30$578
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/253:50 pmIAH - LHR
Nonstop9h 00mBritish Airways
vie. 12/59:35 amLHR - IAH
Nonstop10h 30mBritish Airways
Deal found 10/28$581
This KLM deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/161:36 pmIAH - LHR
1 stop12h 14mMultiple Airlines
jue. 11/276:20 amLHR - IAH
1 stop13h 35mMultiple Airlines
Deal found 10/28$582
This lastminute.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:48 pmHOU - LHR
1 stop10h 52mVirgin Atlantic
mar. 11/2510:45 amLHR - HOU
1 stop13h 08mVirgin Atlantic
Deal found 10/30$584
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:15 pmHOU - LHR
1 stop14h 20mBritish Airways
jue. 12/410:05 amLHR - HOU
1 stop13h 54mBritish Airways
Deal found 10/30$586
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/94:24 pmHOU - LHR
1 stop11h 36mAmerican Airlines
mar. 11/2510:05 amLHR - HOU
1 stop13h 47mAmerican Airlines
Deal found 10/30$589
This Finnair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/306:22 pmHOU - LHR
1 stop11h 18mMultiple Airlines
mar. 12/238:20 amLHR - HOU
1 stop13h 29mMultiple Airlines
Deal found 10/29$590
This Finnair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:22 pmHOU - LHR
1 stop11h 18mMultiple Airlines
mar. 11/254:30 pmLHR - HOU
1 stop13h 27mMultiple Airlines
Deal found 10/28$591

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Houston

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 12/3

1:36 pm-6:25 am

1 stop10h 49m

London Heathrow

lun. 12/8

8:25 pm-1:30 pm

1 stop23h 05m

$583

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 11/12

1:36 pm-11:40 am

1 stop16h 04m

London Heathrow

mié. 11/19

6:20 am-5:50 pm

2 stops17h 30m

$591

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mié. 11/12

2:32 pm-9:00 am

1 stop12h 28m

London Heathrow

mié. 11/19

11:30 am-11:07 pm

2 stops17h 37m

$591

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 11/26

1:36 pm-11:40 am

1 stop16h 04m

London Heathrow

mié. 12/3

8:55 am-9:11 pm

2 stops18h 16m

$592

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mié. 11/26

6:48 pm-11:40 am

1 stop10h 52m

London Heathrow

mié. 12/3

8:55 am-10:48 pm

2 stops19h 53m

$592

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 12/3

9:46 am-6:25 am

1 stop14h 39m

London Heathrow

lun. 12/8

5:35 pm-1:55 pm

1 stop26h 20m

$595

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mié. 11/19

10:40 am-10:15 am

2 stops17h 35m

London Heathrow

jue. 11/27

6:30 am-11:07 pm

2 stops22h 37m

$597

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 12/10

3:10 pm-8:45 am

1 stop11h 35m

London Heathrow

jue. 12/18

3:50 pm-11:59 pm

1 stop14h 09m

$599

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mar. 11/25

6:48 pm-11:40 am

1 stop10h 52m

London Heathrow

mar. 12/2

8:55 am-5:52 pm

1 stop14h 57m

$599

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mié. 11/12

4:24 pm-11:40 am

1 stop13h 16m

London Heathrow

mié. 11/19

11:55 am-8:20 pm

1 stop14h 25m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 41 results
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Best time to book a flight from Houston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to London Heathrow Airport

How far ahead should I book a flight from Houston to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Heathrow. Price data was last updated on October 24, 2025.

The price you pay for your flight from Houston to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $507). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $862). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

One of the essential ways to save on airfare from Houston to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Houston to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Houston to Heathrow. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Houston to London Heathrow Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Houston to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to London Heathrow Airport trip
Airports
IAH

Check security wait times on the IAH Depart tab to manage your schedule efficiently before your flight to London.

Read more about IAHby Evie Carrick
LHR

The Heathrow Express is the fastest way to central London, reaching Paddington Station quickly from the airport.

Read more about LHRby Ramsey Qubein
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated octubre 30, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Iberia from Houston to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,030 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,001 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,541 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,487 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to London Heathrow Airport?

    Virgin Atlantic, Delta, and KLM can get you from Houston to London Heathrow Airport in just under 10h 49m. Your travel time can differ by up to 5h 15m. Airlines will cover a distance of 4820 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

    JetBlue, at $101, was found to be the cheapest airline from Houston to London Heathrow Airport.Alternate airlines to your destination round-trip include Air Canada and American Airlines. Users have found that JetBlue is 87% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston to London Heathrow Airport one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $349. However, be on the lookout for offers from Delta and KLM, as they are both options that can get you from Houston to London Heathrow Airport for a low price.

  • Can I find deals for flights from Houston to Heathrow that include hotel bookings?

    Yes. In addition to deals on Houston to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Heathrow.

  • Can I find deals for business class flights from Houston to Heathrow?

    Yes. Cheapflights offers flight deals from Houston to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $507). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $862). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Houston to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Houston to Heathrow

Discover the top 10 airlines that operate flights from Houston to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$783FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$521Average$727FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$522Average$838FlexibilityNo cancel feeOn-time71%
FinnairCheapest$553Average$741FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$563Average$878FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$567Average$890FlexibilityNo cancel feeOn-time69%
IberiaCheapest$580Average$755FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$587Average$874FlexibilityNo cancel feeOn-time72%
DeltaCheapest$631Average$1,049FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$644Average$1,303FlexibilityNo cancel feeOn-time78%

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