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Cheap flights from Houston to London Heathrow Airport from £265

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LHR
23 Apr — 30 Apr1
1 adult

Cheapflights Tip: The best prices from Houston to London Heathrow are usually found in February or October, booked 33 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Houston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Heathrow (LHR). 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 18 April 2025.

Round-trip from

£476

One-way from

£265

Popular in

June

Cheapest in

February

Average price

£516
Iberia
  • Iberia
  • 4/10-1/11
  • 2 total stops
  • 44h 57m total
  • Houston to London
27/7
  • 27/7
  • 2 total stops
  • 23h 49m total
  • Houston to London
Highest demand for flights based on searches. 22% potential increase in price (£136 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Houston to Heathrow

Cheapest flights from Houston to Heathrow
Explore the most affordable flight options available from Houston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Sat 4/1018:33IAH - LHR
1 stop29h 52mIberia
Sat 1/1111:55LHR - IAH
1 stop15h 05mIberia
Deal found 17/4£476
Tue 20/507:20IAH - LHR
1 stop17h 15mAir Canada
Tue 27/509:30LHR - IAH
1 stop16h 26mAir Canada
Deal found 17/4£481
Thu 1/515:11IAH - LHR
1 stop15h 04mMultiple Airlines
Thu 8/510:45LHR - IAH
1 stop18h 16mMultiple Airlines
Deal found 17/4£482
Sun 4/518:32IAH - LHR
1 stop30h 43mVirgin Atlantic
Tue 20/506:30LHR - IAH
1 stop12h 45mVirgin Atlantic
Deal found 17/4£490
Wed 27/815:38IAH - LHR
1 stop12h 42mBritish Airways
Wed 3/914:50LHR - IAH
Nonstop10h 25mBritish Airways
Deal found 18/4£496
Mon 22/914:35IAH - LHR
1 stop12h 25mFinnair
Mon 6/1016:10LHR - IAH
2 stops31h 31mFinnair
Deal found 17/4£500
Wed 7/520:10IAH - LHR
Nonstop9h 25mUnited Airlines
Tue 20/507:25LHR - IAH
1 stop15h 10mUnited Airlines
Deal found 17/4£502
Tue 18/1118:19HOU - LHR
1 stop11h 56mBritish Airways
Tue 25/1110:15LHR - HOU
1 stop13h 44mBritish Airways
Deal found 16/4£503
Mon 5/518:32IAH - LHR
1 stop12h 58mDelta
Mon 12/509:55LHR - IAH
1 stop33h 20mDelta
Deal found 17/4£506
Tue 6/510:41HOU - LHR
1 stop20h 49mDelta
Tue 13/509:55LHR - HOU
2 stops17h 22mDelta
Deal found 17/4£514
Wed 19/1118:19HOU - LHR
1 stop11h 21mMultiple Airlines
Thu 27/1116:30LHR - HOU
1 stop13h 15mMultiple Airlines
Deal found 17/4£516
Fri 2/515:20IAH - LHR
1 stop12h 10mJetBlue
Wed 21/508:25LHR - IAH
1 stop15h 38mJetBlue
Deal found 17/4£526

Cheapflights Fare Finder

Customise your flight search to find flights from Houston to Heathrow 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 18 April 2025.
Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

Fly from

Houston

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sat 4/10

18:33-06:25

1 stop29h 52m

London Heathrow

Sat 1/11

11:55-22:00

1 stop15h 05m

£476

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 20/5

07:20-06:35

1 stop17h 15m

London Heathrow

Tue 27/5

09:30-19:56

1 stop16h 26m

£481

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 1/5

15:11-12:15

1 stop15h 04m

London Heathrow

Thu 8/5

10:45-23:01

1 stop18h 16m

£482

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 4/5

18:32-07:15

1 stop30h 43m

London Heathrow

Tue 20/5

06:30-13:15

1 stop12h 45m

£490

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 27/8

15:38-10:20

1 stop12h 42m

London Heathrow

Wed 3/9

14:50-19:15

Nonstop10h 25m

£496

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 22/9

14:35-09:00

1 stop12h 25m

London Heathrow

Mon 6/10

16:10-17:41

2 stops31h 31m

£500

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 7/5

16:15-07:40

Nonstop9h 25m

London Heathrow

Fri 16/5

07:25-16:35

1 stop15h 10m

£502

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 24/9

14:25-09:00

1 stop12h 35m

London Heathrow

Wed 8/10

08:20-15:56

1 stop13h 36m

£504

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 5/5

18:32-13:30

1 stop12h 58m

London Heathrow

Mon 12/5

09:55-13:15

1 stop33h 20m

£506

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Tue 6/5

10:41-13:30

1 stop20h 49m

London Heathrow

Tue 13/5

09:55-21:17

2 stops17h 22m

£514

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 41 results
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Best time to book a flight from Houston to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from Houston to Heathrow. Price data was last updated on 11 April 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to London Heathrow Airport. 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 to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Houston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 April 2025.

It’s typically best to fly out from Houston to London Heathrow Airport in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at midday, which is usually more expensive.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 18 April 2025.
See what other customers who have flown with Delta, KLM and Finnair from Houston to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Houston to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Houston to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Houston to London Heathrow Airport round-trip from £476. Other airlines that can offer you cheap pricing are Air Canada, from £481, and Virgin Atlantic, from £490. These flights start at 23% lower than the current average price 3 months from now.

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

    The cheapet airlines for a one-way flight from Houston to London Heathrow Airport are Lufthansa (£274), Iberia (£279), and Air Canada (£298).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Houston to London Heathrow Airport (average of £112). Flying from Houston to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Houston?

Book flights to Houston if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
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Wembley
Northampton
Hayes
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Maidstone
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Ipswich
Southall
Ilford
Winchester
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Houston to Heathrow

Discover the top 4 airlines that operate flights from Houston to Heathrow. 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£426Average£604FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£437Average£653FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£439Average£581FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£456Average£644FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Heathrow 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 Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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