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Cheap flights from Houston to London from £243

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LON
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 August 2026.

Wed 2/1220:10 -
1 stop28h 40m
Wed 9/1210:10 -
1 stop27h 47m
Deal found 13/8£488
Sat 26/921:04 -
2 stops30h 56m
Fri 2/1014:00 -
1 stop30h 13m
Deal found 15/8£493
Tue 20/1012:21 -
1 stop15h 39m
Tue 27/1010:10 -
2 stops17h 00m
Deal found 14/8£499
Tue 3/1107:00 -
2 stops41h 00m
Wed 18/1110:10 -
1 stop14h 43m
Deal found 13/8£501
Sat 26/920:25 -
1 stop31h 35m
Sun 4/1014:00 -
2 stops47h 17m
Deal found 12/8£504
Wed 23/912:21 -
1 stop15h 39m
Wed 30/914:00 -
1 stop25h 26m
Deal found 17/8£506
Thu 3/1205:10 -
2 stops19h 40m
Wed 9/1210:10 -
1 stop27h 47m
Deal found 16/8£509
Sat 17/1018:35 -
1 stop33h 25m
Thu 22/1014:00 -
1 stop25h 27m
Deal found 15/8£522
Fri 27/1106:10 -
1 stop20h 05m
Tue 1/1210:10 -
1 stop33h 47m
Deal found 15/8£524
Mon 21/912:00 -
2 stops24h 30m
Tue 6/1015:55 -
2 stops27h 40m
Deal found 13/8£556
Mon 21/910:00 -
2 stops27h 55m
Tue 6/1020:35 -
2 stops23h 00m
Deal found 15/8£565
Sun 11/1012:00 -
3 stops25h 55m
Tue 20/1020:35 -
2 stops23h 00m
Deal found 14/8£574

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 17 August 2026.

Round-trip from

£488

One-way from

£243

Popular in

June

Cheapest in

February

Average price

£726
2/12-9/12
  • 2/12-9/12
  • 2 total stops
  • 56h 27m total
  • Houston to London
Search Deals
JetBlue
  • JetBlue
  • 17/11
  • 1 total stop
  • 15h 46m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 17 August 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 return flight

HoustonLondon

IAH Houston George Bush Intcntl - LTN London Luton

IAHLTN

Houston George Bush Intcntl

Thu 15/10

10:00-19:55

2 stops27h 55m

London Luton

Mon 19/10

15:15-13:35

2 stops28h 20m

£597

HoustonLondon

IAH Houston George Bush Intcntl - LTN London Luton

IAHLTN

Houston George Bush Intcntl

Mon 21/9

10:00-00:30

3 stops32h 30m

London Luton

Tue 6/10

18:40-19:52

3 stops31h 12m

£622

HoustonLondon

IAH Houston George Bush Intcntl - STN London Stansted

IAHSTN

Houston George Bush Intcntl

Sun 13/9

21:15-16:40

1 stop37h 25m

London Stansted

Thu 24/9

17:35-12:45

1 stop25h 10m

£637

HoustonLondon

HOU Houston Hobby - LHR London Heathrow

HOULHR

Houston Hobby

Tue 8/12

10:25-06:25

1 stop14h 00m

London Heathrow

Wed 13/1

08:40-21:43

2 stops19h 03m

£654

HoustonLondon

IAH Houston George Bush Intcntl - LTN London Luton

IAHLTN

Houston George Bush Intcntl

Thu 15/10

10:00-14:05

2 stops22h 05m

London Luton

Tue 20/10

08:00-21:52

2 stops19h 52m

£655

HoustonLondon

HOU Houston Hobby - LHR London Heathrow

HOULHR

Houston Hobby

Wed 7/10

11:12-10:40

2 stops17h 28m

London Heathrow

Tue 13/10

11:45-23:03

2 stops17h 18m

£658

HoustonLondon

IAH Houston George Bush Intcntl - LGW London Gatwick

IAHLGW

Houston George Bush Intcntl

Mon 21/9

15:55-09:40

1 stop11h 45m

London Gatwick

Wed 30/9

10:25-22:05

2 stops17h 40m

£660

HoustonLondon

HOU Houston Hobby - LGW London Gatwick

HOULGW

Houston Hobby

Wed 14/10

15:09-16:00

2 stops18h 51m

London Gatwick

Tue 20/10

10:35-23:03

2 stops18h 28m

£663

HoustonLondon

HOU Houston Hobby - LHR London Heathrow

HOULHR

Houston Hobby

Mon 21/9

11:00-10:30

2 stops17h 30m

London Heathrow

Wed 30/9

08:55-22:39

2 stops19h 44m

£663

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Wed 4/11

15:25-18:25

1 stop21h 00m

London City

Wed 11/11

17:05-13:10

1 stop26h 05m

£666

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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

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

Currently, February is the cheapest month in which you can book a flight from Houston to London (average of £516). Flying from Houston to London in June is currently the most expensive (average of £1,011). 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 17 August 2026.

When flying from Houston to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.
Houston to London flights typically cost between £647 and £843 in December.
The cheapest return price found within the last 5 days was £488 on Multiple Airlines (2 Dec–9 Dec).

How often are flights from Houston to London delayed?

About 22% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 146 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 past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

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 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 17 August 2026.
Get a feel of what it's like to fly with United Airlines,Lufthansa, andBritish Airways 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
10,103 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

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
10,103 reviews
United Airlines
7.4
Good
10,103 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

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
8,197 reviews
United Airlines
7.4
Good
10,103 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

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
8,174 reviews
United Airlines
7.4
Good
10,103 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

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 14h 15m. Turkish Airlines provides one of the quickest options available for as low as £654. Airlines will cover a distance of 4835 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 British Airways is currently your cheapest option to London, with prices starting at £371. Additional return tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at £383 and £438, respectively. You may be able to fly from Houston to London for 43% 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 United Airlines (£210), British Airways (£292), and Lufthansa (£298).

  • 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, February is the cheapest month in which you can book a flight from Houston to London (average of £516). Flying from Houston to London in June is currently the most expensive (average of £1,011). 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?

Book flights to London if you plan to visit one of these locations
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Eastbourne
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Barnet
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Kingston upon Thames
Southall
Watford
Dover
Romford

Browse thousands of different options on Cheapflights for your next trip

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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 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£371Average£566FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£383Average£513FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£438Average£626FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£442Average£497FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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