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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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from Houston to London Heathrow are usually found in February or September, booked 33 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 février 20, 2025.

Round-trip from

$584
(Cheapflightsfares)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$657
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. 24% potential increase in price ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 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 février 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mer. 4/29:00 pmIAH - LHR
Nonstop9h 20mIberia
mer. 4/99:25 amLHR - IAH
Nonstop10h 15mIberia
Deal found 2/20$584
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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.
mar. 4/152:10 pmHOU - LHR
1 stop12h 50mIberia
ven. 4/254:25 pmLHR - HOU
1 stop13h 31mIberia
Deal found 2/19$592
This lastminute.com deal was found by Cheapflights users on 2/20. 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. 3/102:20 pmIAH - LHR
1 stop11h 45mVirgin Atlantic
mar. 3/256:20 amLHR - IAH
1 stop13h 35mVirgin Atlantic
Deal found 2/20$606
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/2712:02 pmIAH - LHR
1 stop20h 23mFinnair
mer. 5/79:30 amLHR - IAH
2 stops18h 31mFinnair
Deal found 2/19$610
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/19:00 pmIAH - LHR
Nonstop9h 20mBritish Airways
mer. 10/226:30 amLHR - IAH
2 stops21h 01mBritish Airways
Deal found 2/20$617
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/239:30 amIAH - LHR
1 stop18h 30mUnited Airlines
mar. 4/297:25 amLHR - IAH
1 stop15h 10mUnited Airlines
Deal found 2/20$619
This oojo deal was found by Cheapflights users on 2/20. 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.
mer. 10/14:31 pmHOU - LHR
1 stop15h 54mBritish Airways
lun. 10/66:10 pmLHR - HOU
2 stops29h 41mBritish Airways
Deal found 2/20$620
This CrystalTravel deal was found by Cheapflights users on 2/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/210:41 amHOU - LHR
1 stop20h 49mVirgin Atlantic
mar. 4/228:55 pmLHR - HOU
2 stops26h 55mVirgin Atlantic
Deal found 2/19$626
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/206:00 amIAH - LHR
1 stop19h 20mDelta
ven. 3/286:20 amLHR - IAH
1 stop13h 35mDelta
Deal found 2/19$627
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/112:35 pmHOU - LHR
1 stop10h 45mDelta
mar. 3/1811:45 amLHR - HOU
2 stops26h 51mDelta
Deal found 2/20$632
This Gotogate deal was found by Cheapflights users on 2/20. 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.
dim. 4/67:20 amIAH - LHR
2 stops20h 40mAir Canada
lun. 4/218:30 amLHR - IAH
2 stops19h 31mAir Canada
Deal found 2/20$633
This Gotogate deal was found by Cheapflights users on 2/20. 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. 3/107:20 amIAH - LHR
2 stops18h 50mMultiple Airlines
mar. 3/257:30 pmLHR - IAH
1 stop25h 10mMultiple Airlines
Deal found 2/20$635

Find flights from Houston to Heathrow within your budget

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 février 20, 2025.

Fly from

Houston

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer. 4/2

9:00 pm-12:20 pm

Nonstop9h 20m

London Heathrow

mer. 4/9

9:25 am-1:40 pm

Nonstop10h 15m

$584

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mar. 4/15

2:10 pm-9:00 am

1 stop12h 50m

London Heathrow

ven. 4/25

4:25 pm-11:56 pm

1 stop13h 31m

$592

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 3/10

2:20 pm-7:05 am

1 stop11h 45m

London Heathrow

mar. 3/25

6:20 am-2:55 pm

1 stop13h 35m

$606

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dim. 4/27

12:02 pm-2:25 pm

1 stop20h 23m

London Heathrow

mer. 5/7

9:30 am-10:01 pm

2 stops18h 31m

$610

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer. 4/23

9:30 am-10:00 am

1 stop18h 30m

London Heathrow

mar. 4/29

7:25 am-4:35 pm

1 stop15h 10m

$619

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mar. 3/11

10:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

lun. 3/24

6:45 pm-12:18 am

2 stops34h 33m

$621

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mer. 4/30

8:16 pm-2:25 pm

1 stop12h 09m

London Heathrow

mar. 5/6

4:25 pm-11:59 pm

1 stop13h 34m

$622

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mer. 4/2

10:41 am-1:30 pm

1 stop20h 49m

London Heathrow

mar. 4/22

8:55 pm-5:50 pm

2 stops26h 55m

$626

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

jeu. 3/20

6:00 am-6:20 am

1 stop19h 20m

London Heathrow

ven. 3/28

6:20 am-2:55 pm

1 stop13h 35m

$627

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

mar. 3/11

2:35 pm-7:55 am

1 stop12h 20m

London Heathrow

mar. 3/18

11:45 am-9:36 am

2 stops26h 51m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 43 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.

Travel insights for flights from Houston to Heathrow

Get recent, data-driven insights about flights from Houston to Heathrow including ideal travel times, pricing trends, and more.

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 February 14, 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 33 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, November is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $661). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 février 20, 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 19% 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 June 9, 2024.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 février 20, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Houston to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Iberia, at $584, was found to be the cheapest airline from Houston to London Heathrow Airport.Alternate airlines to your destination round-trip include Virgin Atlantic and Finnair. Users have found that Iberia is 30% 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 $294. However, be on the lookout for offers from WestJet and Turkish Airlines, 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, November is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of $661). Flying from Houston to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 Houston?

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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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$540Average$853FlexibilityNo cancel feeOn-time77%
IberiaCheapest$560Average$702FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$568Average$735FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$578Average$749FlexibilityNo cancel feeOn-time72%
FinnairCheapest$581Average$709FlexibilityNo cancel feeOn-time76%
DeltaCheapest$596Average$799FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$604Average$910FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$610Average$918FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$612Average$1,061FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$619Average$917FlexibilityNo cancel feeOn-time71%
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