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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from £306

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London Heathrow are usually found in October or November, booked 70 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from George Bush Intcntl to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Heathrow
Explore the most affordable flight options available from George Bush Intcntl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

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
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
Sun 8/1116:30
IAH
-
LHR
1 stop20h 15m
Lufthansa
Tue 10/1113:30
LHR
-
IAH
2 stops16h 44m
Lufthansa
Deal found 23/4£590
Fri 11/1216:00
IAH
-
LHR
2 stops42h 00m
Scandinavian Airlines
Mon 14/1206:40
LHR
-
IAH
2 stops23h 18m
Scandinavian Airlines
Deal found 23/4£594
Sun 8/1112:55
IAH
-
LHR
1 stop13h 10m
KLM
Tue 10/1106:30
LHR
-
IAH
1 stop13h 00m
KLM
Deal found 23/4£608
Sun 10/512:39
IAH
-
LHR
1 stop17h 26m
Virgin Atlantic
Tue 26/509:55
LHR
-
IAH
1 stop33h 25m
Virgin Atlantic
Deal found 24/4£614
Sat 14/1117:25
IAH
-
LHR
1 stop36h 25m
Multiple Airlines
Tue 17/1110:30
LHR
-
IAH
1 stop33h 40m
Multiple Airlines
Deal found 26/4£621
Sun 10/513:45
IAH
-
LHR
1 stop17h 05m
Finnair
Tue 26/509:10
LHR
-
IAH
Nonstop10h 10m
Finnair
Deal found 24/4£622
Tue 12/521:05
IAH
-
LHR
Nonstop9h 20m
British Airways
Tue 19/509:10
LHR
-
IAH
Nonstop10h 10m
British Airways
Deal found 27/4£623
Tue 18/815:55
IAH
-
LHR
1 stop12h 35m
Virgin Atlantic
Tue 1/920:55
LHR
-
IAH
1 stop22h 20m
Virgin Atlantic
Deal found 23/4£625

Find flight deals from George Bush Intcntl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 28 April 2026.

Round-trip from

£614

One-way from

£306

Popular in

June

Cheapest in

October

Average price

£634

Good round-trip deal

£682 or less

Good one-way deal

£352 or less
Virgin Atlantic
  • Virgin Atlantic
  • 10/5-26/5
  • 2 total stops
  • 50h 51m total
  • Houston to London
Search Deals
4/7
  • 4/7
  • 2 total stops
  • 54h 09m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£112 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 April 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl 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 28 April 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London Heathrow Airport 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

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
Fastest return journey

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 19/8

16:25-07:45

Nonstop9h 20m

London Heathrow

Sun 30/8

10:00-14:20

Nonstop10h 20m

£693

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 28/8

10:00-06:30

1 stop14h 30m

London Heathrow

Tue 1/9

06:55-16:30

1 stop15h 35m

£704

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/5

12:39-07:15

1 stop12h 36m

London Heathrow

Sat 23/5

06:30-13:20

1 stop12h 50m

£704

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 24/7

12:05-07:15

1 stop13h 10m

London Heathrow

Tue 11/8

17:35-13:40

1 stop26h 05m

£712

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 7/5

10:00-10:00

1 stop18h 00m

London Heathrow

Tue 12/5

07:25-16:35

1 stop15h 10m

£716

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 9/7

11:32-10:30

2 stops16h 58m

London Heathrow

Thu 23/7

06:15-17:39

2 stops17h 24m

£899

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sat 18/7

11:32-10:30

2 stops16h 58m

London Heathrow

Sat 8/8

11:45-23:56

2 stops18h 11m

£916

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Best time to book a flight from George Bush Intcntl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from George Bush Intcntl 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 George Bush Intcntl Airport to London Heathrow Airport

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

The best time to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £483). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of £901). 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 IAH to LHR?

Find hourly flight availability from George Bush Intcntl 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 28 April 2026.

When flying from Houston George Bush Intcntl Airport to London Heathrow Airport, 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 George Bush Intcntl Airport to London Heathrow Airport?

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 28 April 2026.
See what other customers who have flown with United Airlines,Virgin Atlantic, andLufthansa from Houston George Bush Intcntl Airport to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,672 reviews
Check prices

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

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
9,672 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

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.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

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
9,672 reviews
Check prices

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

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
7,928 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

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 George Bush Intcntl to Heathrow. 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 George Bush Intcntl Airport to London Heathrow Airport?

    For as low as £643, Delta can have you in London Heathrow Airport from Houston George Bush Intcntl Airport in 9h 20m. Houston George Bush Intcntl Airport and London Heathrow Airport are separated by a distance of 4820 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to London Heathrow Airport is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £299 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at £382 and £386 round-trip. These flights start at 51% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £281. United Airlines flights start at £290 while deals on Lufthansa start at £298 one-way.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to London Heathrow Airport?

    Consider United Airlines (80%), Air Canada (71%) or Austrian Airlines (71%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London Heathrow Airport.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to London Heathrow Airport?

    While on average a flight from Houston George Bush Intcntl Airport to London Heathrow Airport is generally £878, our data shows the cheapest flight currently is £330. When looking at the most popular route, (Houston George Bush Intcntl - London Heathrow), you can expect to pay £627 for that flight.

  • Can I find deals for flights from George Bush Intcntl to Heathrow that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Heathrow?

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

  • Can I find deals for business class flights from George Bush Intcntl to Heathrow?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £483). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in June is currently the most expensive (average of £901). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for George Bush Intcntl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Heathrow flights
Hobby to Gatwick flights
George Bush Intcntl to Gatwick flights
George Bush Intcntl to Stansted flights
George Bush Intcntl to Luton flights

Top 4 airlines flying from George Bush Intcntl to Heathrow

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£299Average£496FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£382Average£484FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£386Average£676FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£439Average£672FlexibilityNo cancel feeOn-time70%
Search British Airways 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 George Bush Intcntl to Heathrow?

Cheapflights makes it easy to find George Bush Intcntl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Heathrow.

Can Cheapflights find flights from George Bush Intcntl to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from George Bush Intcntl 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 George Bush Intcntl to Heathrow become cheaper?

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

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