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Cheap flights from Houston to London from £304

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LON
27 May — 3 Jun1
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 27 April 2026.

Fri 8/511:49
IAH
-
LGW
1 stop16h 11m
Multiple Airlines
Wed 13/514:00
LGW
-
IAH
1 stop23h 33m
Multiple Airlines
Deal found 22/4£558
Sat 18/716:21
IAH
-
LGW
2 stops35h 39m
Multiple Airlines
Sun 30/814:00
LGW
-
IAH
1 stop34h 09m
Multiple Airlines
Deal found 23/4£561
Thu 6/805:45
IAH
-
LGW
1 stop22h 15m
Multiple Airlines
Wed 26/814:00
LGW
-
IAH
1 stop34h 09m
Multiple Airlines
Deal found 23/4£563
Thu 23/709:42
IAH
-
LGW
2 stops18h 18m
Multiple Airlines
Fri 28/814:00
LGW
-
IAH
1 stop14h 16m
Multiple Airlines
Deal found 25/4£563
Tue 21/713:14
IAH
-
LGW
1 stop14h 46m
Multiple Airlines
Sat 29/814:00
LGW
-
IAH
1 stop24h 47m
Multiple Airlines
Deal found 25/4£565
Sat 7/1117:25
IAH
-
LHR
1 stop36h 25m
Air Canada
Tue 10/1106:50
LHR
-
IAH
2 stops20h 49m
Air Canada
Deal found 23/4£572
Thu 23/709:42
IAH
-
LGW
2 stops18h 18m
Multiple Airlines
Tue 1/914:00
LGW
-
IAH
1 stop14h 16m
Multiple Airlines
Deal found 25/4£572
Mon 12/1019:34
IAH
-
LGW
1 stop28h 46m
Multiple Airlines
Tue 20/1013:05
LGW
-
IAH
1 stop25h 48m
Multiple Airlines
Deal found 23/4£576
Thu 23/709:42
IAH
-
LGW
2 stops18h 18m
Multiple Airlines
Thu 3/914:00
LGW
-
IAH
1 stop14h 16m
Multiple Airlines
Deal found 25/4£578
Wed 29/406:05
IAH
-
LGW
2 stops21h 55m
Multiple Airlines
Wed 13/514:00
LGW
-
IAH
1 stop24h 50m
Multiple Airlines
Deal found 23/4£580
Sat 14/1111:55
IAH
-
LHR
2 stops37h 15m
Air Canada
Tue 17/1106:00
LHR
-
IAH
2 stops21h 39m
Air Canada
Deal found 26/4£585
Thu 6/809:42
IAH
-
LGW
2 stops18h 18m
Multiple Airlines
Mon 31/814:00
LGW
-
IAH
1 stop24h 47m
Multiple Airlines
Deal found 23/4£588

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 27 April 2026.

Round-trip from

£558

One-way from

£304

Popular in

June

Cheapest in

September

Average price

£567
8/5-13/5
  • 8/5-13/5
  • 2 total stops
  • 39h 44m total
  • Houston to London
Search Deals
25/8
  • 25/8
  • 3 total stops
  • 46h 10m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 27 April 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 - LHR

IAHLHR

Houston George Bush Intcntl

Wed 30/9

07:15-11:20

1 stop22h 05m

London Heathrow

Fri 9/10

06:30-13:15

1 stop12h 45m

£638

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 9/9

16:25-07:45

Nonstop9h 20m

London Heathrow

Fri 18/9

09:30-17:50

1 stop14h 20m

£643

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 12/5

10:27-06:25

1 stop13h 58m

London Heathrow

Thu 28/1

11:45-09:26

2 stops27h 41m

£645

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Mon 20/7

15:25-19:45

1 stop22h 20m

London City

Mon 31/8

20:15-13:15

1 stop23h 00m

£656

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 10/5

13:06-06:25

1 stop11h 19m

London Heathrow

Fri 5/6

06:30-22:26

2 stops21h 56m

£667

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 9/9

06:00-06:20

2 stops18h 20m

London Heathrow

Fri 18/9

09:20-21:35

1 stop18h 15m

£670

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Sun 10/5

10:27-09:25

2 stops16h 58m

London Gatwick

Tue 26/5

10:35-22:26

2 stops17h 51m

£676

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/5

20:05-11:35

Nonstop9h 30m

London Heathrow

Tue 26/5

10:00-14:20

Nonstop10h 20m

£676

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 10/5

13:06-06:25

1 stop11h 19m

London Heathrow

Tue 26/5

15:15-22:26

1 stop13h 11m

£680

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Sun 10/5

13:06-06:25

1 stop11h 19m

London Heathrow

Tue 26/5

09:20-16:09

1 stop12h 49m

£682

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 60 resultsSorted by cheapest first
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3
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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

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 64 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, January is the cheapest month in which you can book a flight from Houston to London (average of £313). Flying from Houston to London in December is currently the most expensive (average of £1,187). 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 27 April 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?

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 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?

Thursday 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 17% of flights being delayed.

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 27 April 2026.
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
9,669 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,669 reviews
United Airlines
7.4
Good
9,669 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,199 reviews
United Airlines
7.4
Good
9,669 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,956 reviews
United Airlines
7.4
Good
9,669 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,923 reviews
United Airlines
7.4
Good
9,669 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 20m. Delta provides one of the quickest options available for as low as £643. 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 Virgin Atlantic is currently your cheapest option to London, with prices starting at £299. Additional return tickets that might be worth considering are offered by Lufthansa and British Airways, with the lowest prices starting at £346 and £371, respectively. You may be able to fly from Houston to London for 48% 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 (£281), 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, January is the cheapest month in which you can book a flight from Houston to London (average of £313). Flying from Houston to London in December is currently the most expensive (average of £1,187). 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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£299Average£496FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£346Average£483FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£371Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£386Average£613FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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