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£111+ Cheap flights from Houston

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — LHR
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Houston

Discover essential information about flights departing from Houston, including flight schedules, destinations, airlines operating at the Houston airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 21 November 2025.

Cheapest airline

British Airways
On average, British Airways currently has the cheapest one-way flight from Houston (avg. price of £572).
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Find flights from Houston

Enter your travel dates to find the best prices.

Cheapest flights from Houston
Explore the most affordable flight options available from Houston. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2025.

Wed 7/119:45IAH - LGW
1 stop32h 15mMultiple Airlines
Sat 10/114:00LGW - IAH
1 stop14h 41mMultiple Airlines
Deal found 18/11£476
Tue 17/212:10IAH - LHR
1 stop13h 00mAir Canada
Tue 10/309:00LHR - IAH
2 stops17h 44mAir Canada
Deal found 18/11£477
Wed 7/107:10IAH - LHR
1 stop17h 20mAir Canada
Wed 14/106:50LHR - IAH
2 stops20h 49mAir Canada
Deal found 20/11£477
Mon 26/108:00IAH - LGW
2 stops17h 30mAmerican Airlines
Tue 3/211:20LGW - IAH
2 stops18h 39mAmerican Airlines
Deal found 21/11£477
Wed 14/110:03IAH - LHR
2 stops17h 17mAir Canada
Wed 21/109:00LHR - IAH
2 stops18h 39mAir Canada
Deal found 19/11£478
Mon 13/411:50IAH - LHR
1 stop16h 10mAir Canada
Tue 28/408:45LHR - IAH
2 stops17h 41mAir Canada
Deal found 19/11£479
Wed 7/119:05IAH - LHR
Nonstop9h 10mUnited Airlines
Wed 14/109:30LHR - IAH
1 stop14h 45mUnited Airlines
Deal found 19/11£480
Mon 26/112:16IAH - LGW
1 stop15h 44mMultiple Airlines
Wed 4/207:55LGW - IAH
3 stops46h 04mMultiple Airlines
Deal found 18/11£480
Mon 26/116:20IAH - LHR
Nonstop9h 10mUnited Airlines
Wed 4/209:30LHR - IAH
1 stop14h 45mUnited Airlines
Deal found 18/11£480
Fri 5/1217:25IAH - LHR
2 stops55h 45mMultiple Airlines
Wed 28/119:30LHR - IAH
1 stop25h 05mMultiple Airlines
Deal found 19/11£481
Tue 28/416:20IAH - LHR
Nonstop9h 20mLufthansa
Mon 11/520:25LHR - IAH
1 stop26h 10mLufthansa
Deal found 18/11£482
Wed 4/307:10IAH - LHR
2 stops18h 00mAir Canada
Tue 10/309:00LHR - IAH
2 stops17h 44mAir Canada
Deal found 19/11£483

Find flights from Houston within your budget

 
Find flights departing from Houston that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 21 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 28/1

19:05-10:15

Nonstop9h 10m

London Heathrow

Wed 4/2

09:30-18:15

1 stop14h 45m

£480

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/2

16:20-07:30

Nonstop9h 10m

London Heathrow

Tue 10/2

09:30-18:15

1 stop14h 45m

£480

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/3

16:20-07:30

Nonstop9h 10m

London Heathrow

Tue 10/3

09:30-19:15

1 stop14h 45m

£480

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 1/2

12:20-10:30

2 stops16h 10m

London Heathrow

Tue 10/2

06:30-13:30

1 stop13h 00m

£480

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sun 1/3

21:44-10:00

1 stop30h 16m

London Gatwick

Thu 5/3

14:00-22:41

1 stop14h 41m

£483

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 9/1

22:01-06:00

2 stops49h 59m

London Gatwick

Sat 24/1

14:00-22:41

1 stop14h 41m

£483

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 9/2

09:54-16:25

3 stops24h 31m

London Heathrow

Mon 16/2

10:20-23:39

2 stops19h 19m

£484

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 12/1

17:04-11:40

1 stop12h 36m

London Heathrow

Thu 22/1

06:30-22:33

2 stops22h 03m

£484

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 3/2

17:04-11:40

1 stop12h 36m

London Heathrow

Tue 10/2

06:30-22:33

2 stops22h 03m

£484

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 7/1

11:09-06:25

1 stop13h 16m

London Heathrow

Wed 14/1

06:30-22:33

2 stops22h 03m

£484

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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

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

Travel insights for flights from Houston

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

When is the best time to book a flight from Houston?

Use this chart to determine the optimal time to book a return flight from Houston to Heathrow. Price data was last updated on 14 November 2025.

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Houston (average of £386). Flying from Houston in June will prove the most costly (average of £659). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Houston?

Many airlines operate round-trip flights from Houston: British Airways, United Airlines, Lufthansa, Iberia. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £370
United Airlines
United Airlines
From £398
Iberia
Iberia
From £438
Lufthansa
Lufthansa
From £324

Airline reviews for flights from Houston

Get insights into the airlines that provide service from Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Houston. In the last 7 days, Cheapflights users made a total of 858,174 searches.
See what other customers who have flown with United Airlines, Iberia, andLufthansa from Houston have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,030 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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
9,030 reviews
United Airlines
7.4
Good
9,030 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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
3,031 reviews
United Airlines
7.4
Good
9,030 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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
7,579 reviews
United Airlines
7.4
Good
9,030 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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
7,534 reviews
United Airlines
7.4
Good
9,030 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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

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Related info for your journey

Access useful and relevant information related to your journey from Houston. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 21 November 2025.

  • What is the cheapest airport to fly out of Houston?

    Houston Hobby airport offers the cheapest routes to London, from £376; whereas Houston George Bush Intcntl airport is typically cheaper if you're flying to London, from £376. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Houston?

    At the present moment the cheapest month to fly from Houston is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Houston?

    Check out the cheapest flights from Houston to embark to:
    Travel from Houston to London from £376 round trip

  • How does Cheapflights help users find flights from Houston?

    Cheapflights helps you search for flights from Houston 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?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Houston.

  • Can Cheapflights find flights from Houston with no change fees?

    Certainly. Search results for flights from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes! Start tracking prices for flights from Houston today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

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How does Cheapflights help users find flights from Houston?

Cheapflights helps you search for flights from Houston 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Houston.

Can Cheapflights find flights from Houston with no change fees?

Certainly. Search results for flights from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for flights from Houston today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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