Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Houston George Bush Intcntl Airport to London from £299

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LON
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in September or October, booked 68 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from George Bush Intcntl to London

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to London
Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 April 2026.

Tue 19/519:44
IAH
-
LGW
1 stop32h 16m
Multiple Airlines
Tue 26/514:00
LGW
-
IAH
2 stops31h 03m
Multiple Airlines
Deal found 19/4£525
Tue 28/418:57
IAH
-
LGW
1 stop33h 03m
Multiple Airlines
Tue 26/514:00
LGW
-
IAH
2 stops23h 34m
Multiple Airlines
Deal found 20/4£541
Wed 23/919:34
IAH
-
LGW
1 stop28h 46m
Multiple Airlines
Tue 6/1013:05
LGW
-
IAH
1 stop25h 48m
Multiple Airlines
Deal found 19/4£545
Tue 28/421:05
IAH
-
STN
1 stop37h 35m
Turkish Airlines
Fri 8/506:55
STN
-
IAH
1 stop18h 15m
Turkish Airlines
Deal found 17/4£546
Mon 28/919:34
IAH
-
LGW
1 stop28h 46m
Multiple Airlines
Tue 6/1013:05
LGW
-
IAH
1 stop25h 48m
Multiple Airlines
Deal found 19/4£547
Tue 28/421:05
IAH
-
LGW
1 stop34h 05m
Turkish Airlines
Tue 19/517:35
LGW
-
IAH
1 stop31h 35m
Turkish Airlines
Deal found 17/4£553
Sat 26/919:34
IAH
-
LGW
1 stop28h 46m
Multiple Airlines
Tue 6/1013:05
LGW
-
IAH
1 stop25h 48m
Multiple Airlines
Deal found 19/4£557
Sat 1/806:30
IAH
-
LGW
1 stop22h 25m
Multiple Airlines
Tue 1/914:00
LGW
-
IAH
1 stop34h 09m
Multiple Airlines
Deal found 20/4£561
Wed 23/919:34
IAH
-
LGW
1 stop28h 46m
Multiple Airlines
Fri 2/1013:05
LGW
-
IAH
1 stop35h 34m
Multiple Airlines
Deal found 19/4£564
Sun 13/921:05
IAH
-
STN
1 stop37h 35m
Turkish Airlines
Thu 24/917:35
STN
-
IAH
1 stop31h 35m
Turkish Airlines
Deal found 17/4£565
Tue 5/506:50
IAH
-
LGW
3 stops32h 25m
Multiple Airlines
Thu 28/514:00
LGW
-
IAH
1 stop23h 33m
Multiple Airlines
Deal found 19/4£567
Fri 24/414:30
IAH
-
STN
1 stop20h 20m
Turkish Airlines
Tue 28/406:55
STN
-
IAH
1 stop35h 50m
Turkish Airlines
Deal found 17/4£569

Find flight deals from George Bush Intcntl to London

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 21 April 2026.

Round-trip from

£525

One-way from

£299

Popular in

June

Cheapest in

September

Average price

£546

Good round-trip deal

£683 or less

Good one-way deal

£359 or less
19/5-26/5
  • 19/5-26/5
  • 3 total stops
  • 63h 19m total
  • Houston to London
Search Deals
17/7
  • 17/7
  • 2 total stops
  • 22h 55m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 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 (LON).
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl 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 21 April 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Tue 15/9

21:05-16:40

1 stop37h 35m

London Stansted

Tue 29/9

06:55-19:10

1 stop18h 15m

£585

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Mon 5/10

21:05-22:10

1 stop19h 05m

London Stansted

Sun 18/10

17:35-19:10

1 stop31h 35m

£629

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Thu 7/5

06:50-23:25

3 stops34h 35m

London Luton

Sun 10/5

09:00-22:40

2 stops19h 40m

£632

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 5/5

15:50-09:25

1 stop11h 35m

London Gatwick

Tue 12/5

17:00-11:15

2 stops24h 15m

£652

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 6/5

15:50-09:25

1 stop11h 35m

London Gatwick

Tue 19/5

17:00-13:35

1 stop26h 35m

£655

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 6/5

15:25-08:50

1 stop11h 25m

London City

Tue 19/5

17:50-13:20

1 stop25h 30m

£658

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Sun 13/9

15:20-08:50

1 stop11h 30m

London City

Thu 24/9

10:00-21:59

2 stops17h 59m

£666

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Tue 5/5

15:25-08:50

1 stop11h 25m

London City

Tue 12/5

09:20-23:54

2 stops20h 34m

£666

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Mon 10/8

11:50-09:30

2 stops15h 40m

London City

Mon 17/8

17:50-13:20

1 stop25h 30m

£684

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 10/8

15:55-16:00

1 stop18h 05m

London Gatwick

Mon 17/8

17:00-16:28

2 stops29h 28m

£684

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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

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

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to London. Price data was last updated on 17 April 2026.

The price you pay for your flight from Houston George Bush Intcntl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 68 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 George Bush Intcntl Airport to London?

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £75). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £542). 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 LON?

Find hourly flight availability from George Bush Intcntl 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 21 April 2026.

When flying from Houston George Bush Intcntl Airport 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.

Weekly flight availability from Houston George Bush Intcntl Airport to London

Explore weekly flight availability from George Bush Intcntl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 April 2026.

The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost for a return flight from Houston George Bush Intcntl Airport 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 144 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 21 April 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to London, such as United Airlines,Lufthansa, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,616 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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
9,616 reviews
United Airlines
7.4
Good
9,616 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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
7,938 reviews
United Airlines
7.4
Good
9,616 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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
7,905 reviews
United Airlines
7.4
Good
9,616 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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 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 George Bush Intcntl Airport to London?

    A quick flight from Houston George Bush Intcntl Airport to London can take about 11h 30m. Turkish Airlines provides one of the quickest options available for as low as £666. Airlines will cover a distance of 4840 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 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 United Airlines, with the lowest prices starting at £383 and £386, respectively. These flights start at 49% 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 one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £281. Users have also found prices from £291 and £296 on United Airlines and Lufthansa, respectively.

  • What are the most popular routes from Houston George Bush Intcntl Airport to London?

    The most popular flight routes from Houston George Bush Intcntl Airport to London are Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick and Houston George Bush Intcntl - London Stansted.

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

    Before booking your flight to London from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (80%), Air Canada (71%), Austrian Airlines( 71%).

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

    On average you can expect to pay £627 for a flight from Houston George Bush Intcntl Airport to London. The cheapest flight overall is £330 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at £599.

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

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

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

    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 London.

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

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

    Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £75). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £542). 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
Watford
Kingston upon Thames
Romford
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 George Bush Intcntl to London

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£299Average£492FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£383Average£484FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£386Average£677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£446Average£673FlexibilityNo 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 London?

Cheapflights makes it easy to find George Bush Intcntl to London 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 London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from George Bush Intcntl to London for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from George Bush Intcntl to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to London become cheaper?

Yes! Start tracking prices for George Bush Intcntl to London flights 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 your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.