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Cheap flights from Houston George Bush Intcntl Airport to London from £247

IAH — LON
18 Nov — 25 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in February or January, booked 83 days in advance, depart on a Monday or Thursday 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

Tue 10/1110:37 -
3 stops22h 43m
Wed 18/1109:50 -
1 stop17h 05m
Deal found 18/10£578
Mon 7/1219:39 -
1 stop29h 11m
Thu 7/111:00 -
1 stop27h 12m
Deal found 15/10£578
Mon 7/1211:50 -
2 stops27h 10m
Mon 14/1220:05 -
2 stops23h 55m
Deal found 16/10£580
Thu 12/1117:18 -
1 stop21h 37m
Mon 16/1109:20 -
1 stop14h 44m
Deal found 15/10£581
Thu 12/1106:00 -
3 stops29h 30m
Thu 19/1108:15 -
3 stops34h 04m
Deal found 15/10£584
Thu 3/1219:39 -
1 stop32h 21m
Tue 15/1209:35 -
1 stop30h 09m
Deal found 14/10£584
Tue 1/1221:24 -
2 stops27h 31m
Tue 15/1209:35 -
1 stop30h 09m
Deal found 14/10£584
Sat 14/1120:35 -
1 stop29h 40m
Wed 18/1109:50 -
1 stop17h 05m
Deal found 15/10£588
Wed 2/1220:40 -
2 stops28h 10m
Tue 15/1209:35 -
1 stop30h 09m
Deal found 14/10£591
Sat 14/1106:00 -
3 stops27h 30m
Sat 21/1108:15 -
2 stops22h 10m
Deal found 16/10£593
Tue 1/1211:26 -
1 stop16h 04m
Sun 6/1209:20 -
1 stop14h 40m
Deal found 15/10£594
Mon 23/1113:14 -
2 stops17h 46m
Tue 8/1209:35 -
1 stop30h 37m
Deal found 16/10£595

Find flight deals from George Bush Intcntl to London

Round-trip from

£578

One-way from

£247

Popular in

June

Cheapest in

February

Average price

£725

Good round-trip deal

£602 or less

Good one-way deal

£378 or less
10/11-18/11
  • 10/11-18/11
  • 4 total stops
  • 39h 48m total
  • Houston to London
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JetBlue
  • JetBlue
  • 12/11-31/12
  • 1 total stop
  • 15h 22m total
  • Houston to London
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Highest demand for flights based on searches. 20% potential increase in price (£138 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Houston George Bush Intcntl to London (LON).
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Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).
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Cheapflights Fare Finder

 
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 Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Sat 5/12

11:26-09:30

1 stop16h 04m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Sun 14/2

12:15-09:30

1 stop15h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£266
Fastest return journey

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Sun 14/2

15:50-06:50

Nonstop9h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£269

HoustonLondon

IAH Houston George Bush Intcntl - LGW London Gatwick

IAHLGW

Houston George Bush Intcntl

Wed 13/1

19:10-15:45

1 stop14h 35m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£272

HoustonLondon

IAH Houston George Bush Intcntl - LGW London Gatwick

IAHLGW

Houston George Bush Intcntl

Tue 26/1

11:50-09:00

2 stops15h 10m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£275

HoustonLondon

IAH Houston George Bush Intcntl - LGW London Gatwick

IAHLGW

Houston George Bush Intcntl

Tue 12/1

06:00-06:50

2 stops18h 50m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£275

HoustonLondon

IAH Houston George Bush Intcntl - LGW London Gatwick

IAHLGW

Houston George Bush Intcntl

Mon 8/2

18:05-15:45

2 stops15h 40m

London Gatwick

Wed 31/12

00:00-17:00

Nonstop0h 00m

£275

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Tue 2/2

15:05-08:50

1 stop11h 45m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£281

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Wed 3/3

15:25-09:30

1 stop12h 05m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£281

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Sun 21/3

16:25-08:50

1 stop11h 25m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£281

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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

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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £539). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,072). 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?

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

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?

Airfare is below average for this route at the moment.
Houston George Bush Intcntl Airport to London flights typically cost between £659 and £899 in November.
The cheapest return price found within the last 5 days was £578 on Multiple Airlines (10 Nov–18 Nov).

How often are flights from Houston to London delayed?

About 20% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 151 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 Sunday 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 15% 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 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • 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 05m. JetBlue provides one of the quickest options available for as low as £705. 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 £448. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £482 and £498, respectively. These flights start at 36% 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 United Airlines. According to our data, you can fly for as low as £295. Users have also found prices from £303 and £303 on Lufthansa and British Airways, 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 (89%), Aer Lingus (89%), Finnair( 89%).

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

    On average you can expect to pay £726 for a flight from Houston George Bush Intcntl Airport to London. The cheapest flight overall is £252 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at £581.

  • 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £539). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,072). 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 3 airlines flying from George Bush Intcntl to London

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£448Average£517FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£482Average£830FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£498Average£737FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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