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$348+ Cheap flights from London (LON) to Houston

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HOU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from London to Houston are usually found in January or February, booked 84 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from London to Houston

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Houston (HO1). 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 February 20, 2025.

Round-trip from

$675
(The Travel House)

One-way from

$348
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$810
From London (LON) to Houston
Search Deals
One-way flight from London (LON) to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 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 London to Houston

Cheapest flights from London to Houston
Explore the most affordable flight options available from London to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/173:10 pmLHR - IAH
Nonstop10h 50mFinnair
Wed 4/94:10 pmIAH - LHR
1 stop12h 25mFinnair
Deal found 2/19$675
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2810:00 amLGW - IAH
2 stops31h 45mMultiple Airlines
Thu 5/111:08 amIAH - LGW
2 stops21h 32mMultiple Airlines
Deal found 2/20$678
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2010:50 amLHR - IAH
1 stop14h 26mMultiple Airlines
Thu 3/2711:25 amIAH - LHR
1 stop14h 00mMultiple Airlines
Deal found 2/20$678
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/81:45 pmLHR - IAH
1 stop26h 02mLufthansa
Sat 3/1512:00 pmIAH - LHR
1 stop13h 40mLufthansa
Deal found 2/19$682
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/11:05 pmLCY - IAH
3 stops24h 55mMultiple Airlines
Mon 4/711:25 amIAH - LCY
2 stops24h 05mMultiple Airlines
Deal found 2/20$691
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/207:30 amSTN - IAH
3 stops39h 34mMultiple Airlines
Thu 3/278:45 amIAH - STN
2 stops26h 05mMultiple Airlines
Deal found 2/20$704
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/173:10 pmLHR - IAH
Nonstop10h 50mIberia
Wed 4/911:56 amIAH - LHR
1 stop15h 29mIberia
Deal found 2/19$709
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2412:20 pmLHR - IAH
1 stop31h 44mJetBlue
Tue 4/14:08 pmIAH - LHR
1 stop22h 37mJetBlue
Deal found 2/20$711
This Netflights 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:15 pmLHR - IAH
1 stop15h 05mBritish Airways
Wed 9/2411:00 amIAH - LHR
1 stop14h 25mBritish Airways
Deal found 2/20$730
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/52:50 pmLHR - IAH
1 stop27h 56mWestJet
Thu 3/131:35 pmIAH - LHR
1 stop18h 15mWestJet
Deal found 2/20$781
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:00 amLGW - IAH
1 stop19h 25mTurkish Airlines
Thu 3/134:05 pmIAH - LGW
1 stop18h 55mTurkish Airlines
Deal found 2/20$811
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:10 pmLGW - IAH
1 stop28h 28mJetBlue
Tue 6/173:30 pmIAH - LGW
1 stop12h 05mJetBlue
Deal found 2/19$825

Find flights from London to Houston within your budget

Customize your flight search to find flights from London to Houston 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 February 20, 2025.

Fly from

London

Fly to

Houston

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 3/17

3:10 pm-9:00 pm

Nonstop10h 50m

Houston George Bush Intcntl

Wed 4/9

4:10 pm-10:35 am

1 stop12h 25m

$675

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/28

10:00 am-11:45 am

2 stops31h 45m

Houston George Bush Intcntl

Thu 5/1

11:08 am-2:40 pm

2 stops21h 32m

$678

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 3/20

10:50 am-8:16 pm

1 stop14h 26m

Houston George Bush Intcntl

Thu 3/27

11:25 am-6:25 am

1 stop14h 00m

$678

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 3/8

1:45 pm-9:47 am

1 stop26h 02m

Houston George Bush Intcntl

Sat 3/15

12:00 pm-6:40 am

1 stop13h 40m

$682

LondonHouston

LCY - IAH

LCYIAH

London City

Tue 4/1

1:05 pm-8:00 am

3 stops24h 55m

Houston George Bush Intcntl

Mon 4/7

11:25 am-5:30 pm

2 stops24h 05m

$691

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 3/20

7:30 am-6:04 pm

3 stops39h 34m

Houston George Bush Intcntl

Thu 3/27

8:45 am-3:50 pm

2 stops26h 05m

$704

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 3/17

3:10 pm-9:00 pm

Nonstop10h 50m

Houston George Bush Intcntl

Wed 4/9

11:56 am-9:25 am

1 stop15h 29m

$709

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 3/24

12:20 pm-3:04 pm

1 stop31h 44m

Houston George Bush Intcntl

Tue 4/1

4:08 pm-8:45 pm

1 stop22h 37m

$711

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/25

2:30 pm-12:18 am

1 stop14h 48m

Houston George Bush Intcntl

Thu 4/10

1:25 pm-7:20 am

1 stop11h 55m

$759

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 3/5

2:50 pm-12:46 pm

1 stop27h 56m

Houston George Bush Intcntl

Thu 3/13

1:35 pm-12:50 pm

1 stop18h 15m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from London to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from London 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 London to Houston

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

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

Use this chart to determine the optimal time to book a round-trip flight from London to Houston. Price data was last updated on February 14, 2025.

The best time to book flights from London to Houston is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from London to Houston (average of $230). Flying from London to Houston in March is currently the most expensive (average of $334). 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 LON to HOU?

Find hourly flight availability from London to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from London to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight at noon.

Rainfall in Houston by month

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

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

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

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated February 20, 2025.
See what other customers who have flown with Delta, KLM and Finnair from London to Houston have to say. You can also see how each airline compares 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

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Houston. 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 London to Houston round-trip?

    According to our current data, Finnair ($675), Lufthansa ($682), and Iberia ($709) offers the cheapest pricing from London to Houston. Finnair is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from JetBlue and Aer Lingus, as they are both options that can get you from London to Houston for a low price.

  • What are the most popular routes from London to Houston?

    Most travelers choose London Heathrow - Houston Hobby, London Heathrow - Houston George Bush Intcntl or London Gatwick - Houston Hobby when deciding on the best route from London to Houston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Houston 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 London to Houston?

    Currently, September is the cheapest month in which you can book a flight from London to Houston (average of $230). Flying from London to Houston in March is currently the most expensive (average of $334). 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

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Alternative routes for London to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to Houston

Discover the top 3 airlines that operate flights from London to Houston. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$699Average$1,105FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$730Average$983FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$830Average$1,067FlexibilityNo cancel feeOn-time76%
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