London

$478+ Cheap flights from Houston to London (LON)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LON
Jun 13 — Jun 201
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Cheap flight deals from Houston to London

Cheapest flights from Houston to London
Explore the most affordable flight options available from Houston to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.

This Delta deal was found by Cheapflights users on 5/9. 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.
Wed 9/301:15 pm
IAH
-
LHR
2 stops15h 30m
Delta
Fri 10/96:30 am
LHR
-
IAH
1 stop12h 45m
Delta
Deal found 5/9$875
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 8/45:20 pm
HOU
-
LHR
1 stop13h 55m
Delta
Wed 8/269:55 am
LHR
-
HOU
2 stops18h 51m
Delta
Deal found 5/11$875
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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.
Wed 10/284:50 pm
IAH
-
LHR
Nonstop9h 00m
British Airways
Tue 11/39:35 am
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 5/11$876
This FlightHub deal was found by Cheapflights users on 5/11. 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 10/89:10 pm
IAH
-
STN
1 stop30h 45m
Turkish Airlines
Tue 10/136:55 am
STN
-
IAH
1 stop18h 20m
Turkish Airlines
Deal found 5/11$876
This FlightHub deal was found by Cheapflights users on 5/11. 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.
Mon 11/21:15 pm
IAH
-
LHR
2 stops22h 25m
Scandinavian Airlines
Mon 11/96:40 am
LHR
-
IAH
2 stops23h 18m
Scandinavian Airlines
Deal found 5/11$877
This Mytrip deal was found by Cheapflights users on 5/10. 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.
Wed 8/510:00 am
IAH
-
STN
2 stops17h 35m
Multiple Airlines
Tue 8/183:55 pm
STN
-
IAH
2 stops27h 40m
Multiple Airlines
Deal found 5/10$877
This FlightHub deal was found by Cheapflights users on 5/11. 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.
Sun 10/2510:05 pm
IAH
-
LGW
1 stop30h 05m
Turkish Airlines
Thu 11/56:25 am
LGW
-
IAH
1 stop19h 45m
Turkish Airlines
Deal found 5/11$877
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 8/46:00 am
HOU
-
LHR
2 stops18h 20m
Delta
Tue 8/258:40 am
LHR
-
HOU
2 stops20h 06m
Delta
Deal found 5/11$879
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:00 am
IAH
-
LHR
2 stops17h 35m
Air Canada
Tue 9/16:50 am
LHR
-
IAH
2 stops17h 37m
Air Canada
Deal found 5/11$880
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 9/86:00 am
HOU
-
LHR
2 stops19h 10m
Delta
Wed 9/2311:45 am
LHR
-
HOU
2 stops27h 30m
Delta
Deal found 5/10$880
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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.
Wed 8/2612:05 pm
IAH
-
LHR
1 stop12h 45m
British Airways
Wed 9/22:45 pm
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 5/12$881
This oojo deal was found by Cheapflights users on 5/11. 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.
Mon 8/243:55 pm
IAH
-
LGW
1 stop18h 05m
Virgin Atlantic
Mon 9/75:00 pm
LGW
-
IAH
1 stop26h 40m
Virgin Atlantic
Deal found 5/11$881

Find flight deals from Houston to London

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to London (LON). 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 May 14, 2026.

Round-trip from

$875
(Delta)

One-way from

$478
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$971
From Houston to London (LON)
One-way flight from Houston to London (LON)
Highest demand for flights based on searches. 21% potential increase in price ($218 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to London 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 May 14, 2026.
Use the filters below to find and compare flights from Houston to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/30

1:15 pm-9:00 am

2 stops13h 45m

London Heathrow

Tue 10/6

6:30 am-6:59 pm

2 stops18h 29m

$884

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/25

5:20 pm-7:30 am

Nonstop9h 10m

London Heathrow

Thu 11/5

1:00 pm-9:39 pm

1 stop14h 39m

$893

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Wed 7/29

9:10 pm-10:10 pm

1 stop19h 00m

London Stansted

Mon 11/9

10:50 am-7:10 pm

1 stop38h 20m

$893

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 9/18

12:55 pm-8:50 am

1 stop13h 55m

London Heathrow

Mon 9/21

7:15 pm-1:15 pm

1 stop24h 00m

$915

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 8/5

3:25 pm-9:30 am

1 stop12h 05m

London City

Wed 8/12

8:15 pm-1:20 pm

1 stop23h 05m

$921

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/23

4:25 pm-7:45 am

Nonstop9h 20m

London Heathrow

Sat 10/3

9:30 am-5:50 pm

1 stop14h 20m

$922

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 8/3

1:13 pm-6:25 am

1 stop11h 12m

London Heathrow

Thu 8/13

3:15 pm-10:46 pm

1 stop13h 31m

$934

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 8/5

10:21 am-7:55 am

2 stops15h 34m

London Heathrow

Mon 8/17

8:40 am-9:36 pm

2 stops18h 56m

$971

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 8/5

3:55 pm-4:00 pm

1 stop18h 05m

London Gatwick

Mon 8/17

10:25 am-11:52 pm

2 stops19h 27m

$972

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 8/5

10:00 am-8:45 pm

3 stops28h 45m

London Luton

Wed 8/12

8:35 pm-10:01 pm

3 stops31h 26m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight from Houston to London

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

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

The best time to book flights from Houston to London is 64 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 Houston to London?

Currently, January is the cheapest month in which you can book a flight from Houston to London (average of $424). Flying from Houston to London in November is currently the most expensive (average of $1,955). 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 LON?

Find hourly flight availability from Houston to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to London as you normally would.

How much does it cost to fly round-trip from Houston to London?

How often are flights from Houston to London delayed?

About 23% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the last year, British Airways have had the lowest number of delays on this route, with just 18% of flights being delayed.

The best insider tips for Houston to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to London trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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.

Ramsey Qubein

Ramsey Qubein

Expert on LHR

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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 14, 2026.
Peruse reviews from past customers who have flown with Finnair,United Airlines, andAmerican Airlines from Houston to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.7

Overall

7.6

Crew

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Related info for your journey

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

    Departing from Houston to London will take you 9h 10m. Houston and London are separated by a distance of 4820 mi. This flight may include one or multiple stops.

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

    Virgin Atlantic, at $497, was found to be the cheapest airline from Houston to London.Alternate airlines to your destination round-trip include American Airlines and Air Canada. Virgin Atlantic is currently priced 37% below the average price you’ll pay for this route.

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

    $362 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Lufthansa and British Airways, with prices starting from $362 and $369, respectively.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to London 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?

    Currently, January is the cheapest month in which you can book a flight from Houston to London (average of $424). Flying from Houston to London in November is currently the most expensive (average of $1,955). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Houston to London

Discover the top 10 airlines that operate flights from Houston to London. 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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$497Average$772FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$499Average$741FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$521Average$892FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$524Average$873FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$538Average$846FlexibilityNo cancel feeOn-time70%
FinnairCheapest$540Average$883FlexibilityNo cancel feeOn-time76%
IberiaCheapest$580Average$852FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$689Average$985FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$723Average$1,242FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$785Average$1,149FlexibilityNo cancel feeOn-time77%

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