Cheap flights from George Bush Intcntl (IAH) to London (LON)

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

The best prices from Houston George Bush Intcntl to London are usually found in January or February, booked 41 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Home Europe United Kingdom England London Cheap flights from George Bush Intcntl to London

How to find the cheapest flight from
George Bush Intcntl (IAH) to London (LON)

All the information you need to plan the best IAH to LON flight in 2021: compare George Bush Intcntl to London flight prices with the expected peak season, weather and rainfall in London.
IAH - LON
Price
$713 - $1,095
LON
Temperature
39.2 - 62.6 °F
LON
Precipitation
1.6 - 2.8 inches

Popular in

June

High demand for flights, 21% potential price rise

Cheapest in

January

Best time to find cheap flights, 18% potential price drop

Round-trip from

$713

From Houston George Bush Intcntl to London (LON)

One-way from

$248

One-way flight from Houston George Bush Intcntl to London (LON)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Houston George Bush Intcntl Airport to London?

Travelers have found it’s best to book a flight 61 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Houston George Bush Intcntl Airport to London 1-2 weeks in advance for as low as $911, or $1,200 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from Houston George Bush Intcntl Airport to London?

Thursday flights are generally found to be more expensive for flights from Houston George Bush Intcntl Airport to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

When is the cheapest time to fly from Houston George Bush Intcntl Airport to London (IAH - LON)?

When flying from Houston George Bush Intcntl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight in the evening.

Cheap flights from George Bush Intcntl to London in October, November 2021

The best prices found for IAH to LON flights for October, November
11 Nov - 18 Nov
$468pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
9 Nov - 17 Nov
$470pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
9 Nov - 17 Nov
$476pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl

Houston George Bush Intcntl to London 2021 flight deals

Cheap flights to London from George Bush Intcntl found for this year
11 Nov - 18 Nov
$468pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
9 Nov - 17 Nov
$470pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
9 Nov - 17 Nov
$476pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl

Non-stop flights to London from George Bush Intcntl

Save time with George Bush Intcntl to London direct flight deals
17 Mar - 28 Mar
$613pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
12 Dec - 26 Dec
$659pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl
6 Jan - 11 Jan
$660pp
IAH
Houston George Bush Intcntl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl

Last minute flights from George Bush Intcntl to London

Late deals on round-trip flights to London from George Bush Intcntl, departing today and this week
25 Oct - 2 Nov
$653pp
IAH
Houston George Bush Intcntl
Turkish Airlines
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Turkish Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
24 Oct - 6 Dec
$686pp
IAH
Houston George Bush Intcntl
Turkish Airlines
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Turkish Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
24 Oct - 5 Nov
$699pp
IAH
Houston George Bush Intcntl
Turkish Airlines
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Turkish Airlines
 
1 STOP
IAH
Houston George Bush Intcntl

One-way flights to London from Houston George Bush Intcntl

The cheapest one-way flights from George Bush Intcntl to London
5:02 am - 2:40 pm
Multiple Airlines
3 Stops
27h 38m
IAH - STN
Multiple Airlines
$248
Kiwi.com
9:28 am - 4:00 am
Multiple Airlines
3 Stops
36h 32m
IAH - LGW
Multiple Airlines
$261
Kiwi.com
1:30 am - 2:00 pm
Multiple Airlines
3 Stops
30h 30m
IAH - STN
Multiple Airlines
$267
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">George Bush Intcntl</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From George Bush Intcntl to London

Which airlines flying from Houston George Bush Intcntl to London have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, British Airways, and Finnair flying from Houston George Bush Intcntl to London have implemented new flexible cancellation policies.

Can I find flights from Houston George Bush Intcntl Airport to London for under $500 on Cheapflights?

Yes, there are multiple flights from Houston George Bush Intcntl Airport to London for under $500. The cheapest flight booked recently is on Multiple Airlines for just $468, but on average you can expect to pay $504.

Are there nonstop flights from Houston George Bush Intcntl Airport to London for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston George Bush Intcntl Airport to London under $700. A good price for a nonstop flight from Houston George Bush Intcntl Airport to London is less than $671.

Are there last-minute flights available from Houston George Bush Intcntl Airport to London for under $700?

There are currently 20+ open flights from Houston George Bush Intcntl Airport to London within the next 7 days for less than $700.

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

When deciding which route to take from Houston George Bush Intcntl Airport to London consider Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick or Houston George Bush Intcntl - London City as they are the most popular.

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

Looking at all options, your cheapest flight can be booked for $357. While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $493 on average our data indicates $2,308 when flying from Houston George Bush Intcntl Airport to London

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

Consider American Airlines (82%), Aer Lingus (82%) or Finnair (82%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London.

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to London?

When booking a flight from Houston George Bush Intcntl Airport to London, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

Related searches

Flights to London from George Bush Intcntl
Flights to George Bush Intcntl Flights to London

Rent a Car

Car Rentals in London Car Rentals in England Car Rentals at Heathrow Car Rentals at Gatwick Car Rentals at Stansted

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from George Bush Intcntl?

Information is based on travel restrictions from Houston George Bush Intcntl to London

Most visitors from Houston George Bush Intcntl need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Houston George Bush Intcntl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Houston George Bush Intcntl are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to George Bush Intcntl from London?

Returning to Houston George Bush Intcntl from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston George Bush Intcntl.

Quarantine requirements
Visitors from London are not required to quarantine after entering Houston George Bush Intcntl.

Hide COVID Travel Restrictions for London, England

Alternative routes for George Bush Intcntl to London

See prices for flight routes from nearby airports that may be better suited for you.
Houston to Birmingham from $674 pp

Destination information for London

Things to know before you go - useful duration and weather info for your trip from George Bush Intcntl to London.
Today's exchange rate
$1 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing Houston

George Bush Intcntl (IAH)

Airports servicing London

Heathrow (LHR)
Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Houston George Bush Intcntl to London

The chart below displays the airlines Cheapflights users traveling from George Bush Intcntl to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Iberia 		$430 $915 No cancel fee 77%
American Airlines 		$439 $1,204 No cancel fee 71%
British Airways 		$472 $1,042 No cancel fee 70%
Air France 		$543 $940 No cancel fee 77%
Finnair 		$565 $885 No cancel fee 76%
Delta 		$567 $959 No cancel fee N/A
KLM 		$577 $999 No cancel fee 75%
Brussels Airlines 		$591 $836 No cancel fee N/A
United Airlines 		$618 $1,327 No cancel fee 69%
Lufthansa 		$628 $972 No cancel fee 76%

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.

Hourly flight availability from George Bush Intcntl to London

See what time of day planes typically take off from George Bush Intcntl towards London.
Evening 6 PM to midnight 54% of IAH to LON departures
Afternoon Noon to 6 PM 45% of IAH to LON departures
Early morning Midnight to 6 AM 1% of IAH to LON departures
Morning 6 AM to noon 0% of IAH to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from George Bush Intcntl to London
See how many times per day planes take to the skies headed from George Bush Intcntl to London.
Sunday
11 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
11 daily flights
Home Europe United Kingdom England London Cheap flights from George Bush Intcntl to London