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Cheap flights from Houston to London from £261

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LON
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Houston to London are usually found in September or October, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from Houston to London

Enter your travel dates to find the best prices.

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 12 November 2025.

Mon 24/1117:25IAH - LHR
1 stop36h 25mAir Canada
Tue 9/1206:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 10/11£436
Tue 2/1215:50IAH - LHR
Nonstop9h 00mBritish Airways
Wed 10/1209:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 9/11£437
Mon 8/1208:49IAH - LGW
1 stop19h 11mMultiple Airlines
Sun 11/114:10LGW - IAH
1 stop23h 44mMultiple Airlines
Deal found 10/11£437
Mon 24/1118:40IAH - LHR
1 stop11h 00mVirgin Atlantic
Tue 9/1206:30LHR - IAH
1 stop13h 00mVirgin Atlantic
Deal found 10/11£438
Thu 11/1220:23IAH - LGW
1 stop31h 37mMultiple Airlines
Thu 8/114:00LGW - IAH
1 stop14h 41mMultiple Airlines
Deal found 10/11£438
Mon 24/1105:30IAH - LHR
1 stop21h 15mDelta
Tue 9/1206:20LHR - IAH
1 stop13h 35mDelta
Deal found 10/11£438
Mon 24/1114:24IAH - LHR
1 stop12h 11mFinnair
Tue 9/1209:35LHR - IAH
Nonstop10h 30mFinnair
Deal found 10/11£439
Thu 11/1208:49IAH - LGW
1 stop19h 11mMultiple Airlines
Sat 10/114:00LGW - IAH
1 stop14h 41mMultiple Airlines
Deal found 10/11£439
Tue 11/1111:05IAH - LHR
1 stop14h 00mDelta
Tue 18/1106:20LHR - IAH
1 stop13h 35mDelta
Deal found 11/11£440
Wed 12/1115:09IAH - LHR
1 stop11h 36mMultiple Airlines
Tue 18/1106:20LHR - IAH
1 stop13h 35mMultiple Airlines
Deal found 11/11£441
Sun 16/1112:35IAH - LHR
1 stop11h 50mVirgin Atlantic
Mon 24/1120:25LHR - IAH
1 stop23h 05mVirgin Atlantic
Deal found 11/11£442
Tue 2/1215:50IAH - LHR
Nonstop9h 00mBritish Airways
Tue 9/1209:35LHR - IAH
Nonstop10h 30mBritish Airways
Deal found 11/11£442

Cheap 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 12 November 2025.

Round-trip from

£436

One-way from

£261

Popular in

June

Cheapest in

September

Average price

£539
Air Canada
  • Air Canada
  • 24/11-9/12
  • 3 total stops
  • 57h 14m total
  • Houston to London
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/1
  • 2 total stops
  • 20h 24m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 12 November 2025.
Use the filters below to find and compare flights from Houston to London that are best for you.

Fly from

Houston

Fly to

London

Route

Depart

Return

Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 11/12

20:23-10:00

1 stop31h 37m

London Gatwick

Thu 8/1

14:00-22:41

1 stop14h 41m

£438

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 30/11

16:32-10:00

1 stop11h 28m

London Heathrow

Tue 23/12

09:55-17:30

1 stop13h 35m

£446

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/3

09:54-07:50

1 stop15h 56m

London Heathrow

Tue 10/3

06:20-14:55

1 stop13h 35m

£447

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 2/12

06:40-07:05

1 stop18h 25m

London Heathrow

Wed 10/12

11:30-22:23

2 stops16h 53m

£448

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 2/12

14:32-11:40

1 stop15h 08m

London Heathrow

Wed 10/12

08:55-22:48

2 stops19h 53m

£448

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 7/1

11:09-09:00

1 stop15h 51m

London Heathrow

Wed 14/1

11:30-22:35

2 stops17h 05m

£454

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 10/12

18:47-11:40

1 stop10h 53m

London Heathrow

Fri 9/1

09:40-22:35

2 stops18h 55m

£456

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 16/2

10:50-08:05

2 stops15h 15m

London Heathrow

Wed 25/2

06:30-21:30

2 stops21h 00m

£457

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 4/2

11:09-08:05

2 stops14h 56m

London Heathrow

Thu 12/2

08:40-21:30

2 stops18h 50m

£458

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 11/2

05:35-06:55

2 stops19h 20m

London Heathrow

Mon 23/2

17:35-16:30

2 stops28h 55m

£467

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 60 results
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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 return 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?

Use this chart to determine the optimal time to book a return flight from Houston to London. Price data was last updated on 7 November 2025.

The price you pay for your flight from Houston to London may vary depending on when you book. For the best chance of a lower fare, look to book 84 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?

Currently, October is the cheapest month in which you can book a flight from Houston to London (average of £177). Flying from Houston to London in June is currently the most expensive (average of £654). 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 12 November 2025.

When flying from Houston to London, 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 25% versus a flight in the evening.

How much does it cost for a return flight from Houston to London?

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 12 November 2025.
Get a feel of what it's like to fly with United Airlines, Iberia, andLufthansa from Houston to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,015 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
9,015 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
3,009 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
7,565 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
7,513 reviews
United Airlines
7.4
Good
9,015 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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 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?

    A quick flight from Houston to London can take about 9h 10m. Delta provides one of the quickest options available for as low as £467. Airlines will cover a distance of 4820 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Lufthansa is currently your cheapest option to London, with prices starting at £356. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £397 and £424, respectively. You may be able to fly from Houston to London for 39% less than the average price by searching for these airlines.

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

    The cheapet airlines for a one-way flight from Houston to London are Scandinavian Airlines (£261), British Airways (£276), and KLM (£310).

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

    The most popular route from Houston to London is Houston Hobby - London Heathrow. You may also consider Houston George Bush Intcntl - London Heathrow or Houston Hobby - London Gatwick.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from Houston to London (average of £177). Flying from Houston to London in June is currently the most expensive (average of £654). 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

Travelling to a place near London?

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Alternative routes for Houston to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to London

Discover the top 4 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 858,174 searches. Data last updated 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£356Average£521FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£397Average£653FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£424Average£693FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£436Average£618FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to London?

Cheapflights helps you search for flights from Houston to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Houston to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to London with no change fees?

Yes! Cheapflights helps users easily find flights from Houston to London with no change fees.

Can Cheapflights notify me if prices for flights from Houston to London become cheaper?

Not ready to book yet? You can track prices for flights from Houston to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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