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Cheap flights from Houston George Bush Intcntl Airport to London from £283

IAH — LON
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in January or February, 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 1/1219:39 -
1 stop29h 16m
Sun 13/1212:35 -
1 stop27h 37m
Deal found 8/10£593
Mon 26/1021:12 -
2 stops28h 38m
Thu 19/1111:00 -
1 stop16h 37m
Deal found 8/10£597
Wed 2/1219:39 -
1 stop29h 11m
Sun 13/1212:35 -
1 stop27h 37m
Deal found 11/10£601
Wed 9/1214:16 -
1 stop34h 34m
Thu 7/111:00 -
1 stop27h 52m
Deal found 12/10£604
Tue 1/1219:39 -
1 stop29h 16m
Tue 15/1209:35 -
1 stop30h 37m
Deal found 9/10£610
Fri 16/1020:35 -
2 stops51h 45m
Fri 30/1012:35 -
1 stop25h 46m
Deal found 12/10£612
Mon 9/1122:59 -
2 stops34h 11m
Mon 16/1116:10 -
3 stops32h 02m
Deal found 12/10£612
Wed 2/1219:39 -
1 stop29h 11m
Tue 15/1209:35 -
1 stop33h 46m
Deal found 11/10£613
Wed 14/1021:12 -
2 stops30h 48m
Wed 28/1009:50 -
1 stop16h 05m
Deal found 9/10£618
Sun 6/1211:50 -
3 stops26h 25m
Mon 14/1217:30 -
2 stops26h 30m
Deal found 12/10£619
Thu 26/1109:17 -
3 stops27h 33m
Thu 10/1206:40 -
3 stops32h 06m
Deal found 12/10£641
Tue 10/1119:05 -
1 stop29h 50m
Fri 20/1109:20 -
1 stop30h 25m
Deal found 11/10£643

Find flight deals from George Bush Intcntl to London

Round-trip from

£591

One-way from

£283

Popular in

June

Cheapest in

January

Average price

£712

Good round-trip deal

£606 or less

Good one-way deal

£335 or less
8/1-22/1
  • 8/1-22/1
  • 3 total stops
  • 39h 21m total
  • Houston to London
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WestJet
  • WestJet
  • 12/11-31/12
  • 1 total stop
  • 22h 50m total
  • Houston to London
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Highest demand for flights based on searches. 21% potential increase in price (£145 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£27 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 - LCY London City

IAHLCY

Houston George Bush Intcntl

Wed 13/1

08:24-12:50

2 stops22h 26m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£284

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Mon 11/1

11:30-09:30

2 stops16h 00m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£286

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Mon 18/1

13:15-08:50

2 stops13h 35m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£286

HoustonLondon

IAH Houston George Bush Intcntl - LCY London City

IAHLCY

Houston George Bush Intcntl

Mon 18/1

18:50-17:40

1 stop16h 50m

London City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£290

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Thu 14/1

16:30-07:40

Nonstop9h 10m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£308
Fastest return journey

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Fri 15/1

21:40-12:40

Nonstop9h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£308

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Fri 9/4

05:55-07:30

2 stops19h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£311

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Fri 8/1

09:40-11:40

1 stop20h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£311

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Fri 11/12

11:26-09:30

1 stop16h 04m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£319

HoustonLondon

IAH Houston George Bush Intcntl - LHR London Heathrow

IAHLHR

Houston George Bush Intcntl

Fri 6/11

18:25-15:40

1 stop15h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£327

Flights are sorted by cheapest return flights first.

Deals found on 11/10

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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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £543). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,080). 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 £638 and £865 in January.
The cheapest return price found within the last 5 days was £591 on Multiple Airlines (8 Jan–22 Jan).

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 12h 05m. JetBlue provides one of the quickest options available for as low as £706. 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 £452. Additional return tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at £485 and £502, respectively. These flights start at 35% 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 £298. Users have also found prices from £305 and £305 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 (88%), Aer Lingus (88%), Finnair( 88%).

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

    On average you can expect to pay £727 for a flight from Houston George Bush Intcntl Airport to London. The cheapest flight overall is £254 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at £574.

  • 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £543). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,080). 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£452Average£521FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£485Average£836FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£502Average£743FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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