Cheap flights from Houston (IAH) to London (LON)

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The best prices from Houston 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

How to find the cheapest flight from
Houston (IAH) to London (LON)

All the information you need to plan the best IAH to LON flight in 2021: compare Houston to London flight prices with the expected peak season, weather and rainfall in London.
IAH - LON
Price
$713 - $1,095
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 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 to London

One-way from

$323

One-way flight from Houston to London

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Houston to London?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 25% when planning your travel around this day of the week.

How far in advance should I book a flight from Houston to London?

Users have found that booking a flight from Houston to London at least 61 days early can save you up to 44% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Houston to London for as little as $910 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,146 for flights departing within the next 3 days.

What is the cheapest month to fly from Houston to London?

The best pricing can be found in the month of October. Prices to London from Houston average $714. You can even find prices in October for less than $714, as users have found deals to London from as low as $445. The month of July appears to be one of the more expensive times to travel to London from Houston. Flying in the targeted month can save you up to 31%.

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

When flying from Houston 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 Houston to London in May, June 2021

The best prices found for IAH to LON flights for May, June
22 May - 1 Jun
$699pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
2 Jun - 17 Jun
$707pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
2 Jun - 17 Jun
$709pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl

Houston to London 2021 flight deals

Cheap flights to London from Houston found for this year
15 Aug - 25 Aug
$686pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
15 Aug - 28 Aug
$690pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
15 Aug - 28 Aug
$692pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl

Non-stop flights to London from Houston

Save time with Houston to London direct flight deals
13 Oct - 21 Oct
$872pp
IAH
Houston George Bush Intcntl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl
1 Nov - 15 Nov
$887pp
IAH
Houston George Bush Intcntl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl
18 Oct - 27 Oct
$888pp
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 Houston to London

Late deals on round-trip flights to London from Houston, departing today and this week
12 May - 26 May
$797pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
12 May - 17 May
$798pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
12 May - 17 May
$803pp
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl

One-way flights to London from Houston

The cheapest one-way flights from Houston to London
5:51 am - 11:35 am
Multiple Airlines
2 Stops
23h 44m
IAH - LGW
Multiple Airlines
$323
Gotogate
5:55 am - 11:35 am
Multiple Airlines
2 Stops
23h 40m
IAH - LGW
Multiple Airlines
$325
Gotogate
5:51 am - 6:55 pm
Multiple Airlines
2 Stops
31h 04m
IAH - LHR
Multiple Airlines
$332
Gotogate

Related info for your journey

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

Flight FAQs

From Houston to London

Are flight prices decreasing from Houston to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Houston and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Houston George Bush Intcntl to London to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Houston George Bush Intcntl to London are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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.

What airport do you fly from for flights from Houston to London?

Most people fly from Houston George Bush Intcntl (IAH) if they book a flight from Houston to London. On average, George Bush Intcntl has 2 outbound flights to London per day from 18 airlines. Houston George Bush Intcntl is conveniently located just 15.9 mi from Houston’s city center.

Can I find flights from Houston to London for under $700 on Cheapflights?

Yes, there are multiple flights from Houston to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $686, but on average you can expect to pay $719.

Are there nonstop flights from Houston to London for under $900 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to London under $900. A good price for a nonstop flight from Houston to London is less than $964.

Are there last-minute flights available from Houston to London for under $800?

There are currently 20+ open flights from Houston to London within the next 7 days for less than $800.

Is Houston weather warmer or cooler than London?

We forecast the temperature to be around the 86 °F's in August, on average. The temperature in London is generally colder than in Houston. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Houston to London?

Delta, Lufthansa, and TAP AIR PORTUGAL can get you from Houston to London in just under 12h 30m. Your travel time can differ by up to 3h 05m. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from Houston to London round-trip?

According to our current data, Turkish Airlines ($737), offers the cheapest pricing from Houston to London. Turkish Airlines is currently priced 15% below the average price you’ll pay for this route.

Alternative routes for Houston to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Houston to London.
Today's exchange rate
$1 = £0.72
Average temperature for May in London
64.4 °F
Avg rainfall for May in London
2.0 ″

Airports servicing Houston

Airports servicing London

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

Top 10 airlines flying from Houston to London

The chart below displays the airlines Cheapflights users traveling from Houston 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
Virgin Atlantic
$748 $814 No cancel fee 72%
Brussels Airlines
$591 $836 No cancel fee N/A
Iberia
$430 $915 No cancel fee 77%
Turkish Airlines
$704 $924 No cancel fee 77%
Air France
$543 $940 No cancel fee 77%
Delta
$567 $959 No cancel fee N/A
Lufthansa
$628 $972 No cancel fee 76%
Austrian Airlines
$635 $987 No cancel fee 78%
SWISS
$726 $994 No cancel fee 79%
KLM
$577 $999 No cancel fee 75%

Hourly flight availability from Houston to London

See what time of day planes typically take off from Houston towards London.
Afternoon Noon to 6 PM 100% of IAH to LON departures
Early morning Midnight to 6 AM 0% of IAH to LON departures
Morning 6 AM to noon 0% of IAH to LON departures
Evening 6 PM to midnight 0% of IAH to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Houston to London
See how many times per day planes take to the skies headed from Houston to London.
Sunday
5 daily flights
Monday
0 flights
Tuesday
0 flights
Wednesday
5 daily flights
Thursday
0 flights
Friday
5 daily flights
Saturday
0 flights
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