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Cheap flights from Houston George Bush Intcntl Airport to London from £385

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
7 Jul — 14 Jul1
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 34 days in advance, depart on a Monday or Tuesday 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 7 June 2026.

Mon 2/1115:05
IAH
-
LCY
1 stop11h 05m
Delta
Mon 9/1109:20
LCY
-
IAH
2 stops18h 44m
Delta
Deal found 2/6£711
Mon 27/706:45
IAH
-
STN
3 stops35h 05m
Multiple Airlines
Wed 12/808:15
STN
-
IAH
2 stops35h 20m
Multiple Airlines
Deal found 2/6£712
Wed 29/721:10
IAH
-
STN
1 stop19h 00m
Turkish Airlines
Wed 26/806:55
STN
-
IAH
1 stop18h 20m
Turkish Airlines
Deal found 1/6£713
Sat 3/1017:00
IAH
-
LCY
2 stops20h 45m
Virgin Atlantic
Tue 13/1020:15
LCY
-
IAH
2 stops28h 13m
Virgin Atlantic
Deal found 2/6£714
Sun 30/810:53
IAH
-
LHR
2 stops16h 07m
Delta
Sun 6/906:30
LHR
-
IAH
1 stop12h 45m
Delta
Deal found 2/6£714
Tue 11/808:05
IAH
-
LHR
1 stop16h 20m
Delta
Sun 16/806:30
LHR
-
IAH
1 stop12h 50m
Delta
Deal found 2/6£714
Tue 11/821:05
IAH
-
LHR
Nonstop9h 20m
British Airways
Sun 16/809:10
LHR
-
IAH
Nonstop10h 15m
British Airways
Deal found 2/6£716
Wed 14/1015:35
IAH
-
LCY
1 stop20h 20m
Lufthansa
Mon 19/1018:30
LCY
-
IAH
1 stop25h 05m
Lufthansa
Deal found 2/6£717
Sun 27/1212:00
IAH
-
LHR
1 stop14h 30m
United Airlines
Thu 7/112:05
LHR
-
IAH
Nonstop10h 45m
United Airlines
Deal found 4/6£717
Wed 8/713:29
IAH
-
LGW
1 stop14h 31m
Multiple Airlines
Tue 4/814:00
LGW
-
IAH
1 stop24h 45m
Multiple Airlines
Deal found 2/6£717
Tue 15/1213:28
IAH
-
LHR
1 stop11h 07m
British Airways
Sun 20/1209:35
LHR
-
IAH
Nonstop10h 30m
British Airways
Deal found 4/6£717
Sat 18/706:18
IAH
-
LGW
2 stops45h 42m
Multiple Airlines
Wed 29/714:00
LGW
-
IAH
1 stop24h 45m
Multiple Airlines
Deal found 4/6£717

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 7 June 2026.

Round-trip from

£711

One-way from

£384

Popular in

June

Cheapest in

September

Average price

£955

Good round-trip deal

£666 or less

Good one-way deal

£336 or less
Delta
  • Delta
  • 2/11-9/11
  • 3 total stops
  • 29h 49m total
  • Houston to London
Search Deals
United Airlines
  • United Airlines
  • 27/7
  • Nonstop
  • 9h 20m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£142 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 7 June 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 - LTN

IAHLTN

Houston George Bush Intcntl

Mon 27/7

10:00-18:05

2 stops26h 05m

London Luton

Wed 12/8

05:40-22:01

2 stops22h 21m

£723

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 24/7

15:27-13:45

2 stops16h 18m

London Heathrow

Tue 11/8

15:25-13:40

1 stop28h 15m

£726

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Mon 2/11

22:00-09:55

1 stop29h 55m

London Stansted

Mon 9/11

10:55-19:05

1 stop38h 10m

£732

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Mon 21/9

21:10-09:55

1 stop30h 45m

London Stansted

Wed 30/9

17:45-19:15

1 stop31h 30m

£732

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 15/10

11:50-09:25

2 stops15h 35m

London Gatwick

Mon 19/10

17:00-11:42

2 stops24h 42m

£738

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sat 10/10

21:10-21:05

1 stop17h 55m

London Heathrow

Fri 16/10

06:30-19:15

1 stop18h 45m

£763

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 12/8

10:00-11:00

2 stops19h 00m

London Luton

Tue 18/8

17:45-19:38

3 stops31h 53m

£768

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Sun 27/9

09:45-09:25

2 stops17h 40m

London Gatwick

Sat 3/10

17:00-17:32

2 stops30h 32m

£769

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 19/8

16:14-18:30

2 stops20h 16m

London Heathrow

Sun 30/8

06:40-21:20

3 stops20h 40m

£777

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Sat 19/9

21:10-09:55

1 stop30h 45m

London Stansted

Sat 3/10

10:50-19:15

1 stop38h 25m

£777

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 £76). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £473). 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 7 June 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 7 June 2026.

The most flights from IAH to LON are scheduled on a Monday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 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 148 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?

Saturday 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 18% of flights being delayed.

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

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 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 7 June 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
9,776 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,776 reviews
United Airlines
7.4
Good
9,776 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Lufthansa
6.8
Okay
8,039 reviews
United Airlines
7.4
Good
9,776 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
British Airways
6.7
Okay
8,026 reviews
United Airlines
7.4
Good
9,776 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 12h 35m. Air Canada provides one of the quickest options available for as low as £714. Airlines will cover 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 round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at £303. Additional return tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at £388 and £391, respectively. These flights start at 50% 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 Lufthansa. According to our data, you can fly for as low as £280. Users have also found prices from £286 and £295 on British Airways and United Airlines, 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: American Airlines (76%), Aer Lingus (76%), Finnair( 76%).

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

    On average you can expect to pay £651 for a flight from Houston George Bush Intcntl Airport to London. The cheapest flight overall is £314 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at £603.

  • 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 £76). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £473). 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

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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 7 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£303Average£504FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£388Average£489FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£391Average£670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£445Average£658FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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.

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