Cheap flights from Houston (IAH) to Heathrow (LHR)

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How to find the cheapest flight from
Houston (IAH) to Heathrow (LHR)

All the information you need to plan the best IAH to LHR flight in 2021: compare Houston to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
IAH - LHR
Price
$718 - $1,166
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches

Popular in

June

High demand for flights, 25% potential price rise

Cheapest in

September

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

Round-trip from

$718

From Houston to Heathrow

One-way from

$451

One-way flight from Houston to Heathrow

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 to Heathrow?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 44% on flights from Houston to Heathrow compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $910. For sooner than that we have options available in the next 3 days from $1,146.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Heathrow. Flights to Heathrow from Houston in October are about $714 on average during October, but can be found for as low as $445.

Cheap flights from Houston to Heathrow in June, July 2021

The best prices found for IAH to LHR flights for June, July
14 Jul - 19 Aug
$647pp
IAH
Houston George Bush Intcntl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl
8 Jul - 24 Aug
$651pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl
4 Jul - 4 Aug
$657pp
IAH
Houston George Bush Intcntl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl

Houston to Heathrow 2021 flight deals

Cheap flights to Heathrow from Houston found for this year
14 Jul - 19 Aug
$647pp
IAH
Houston George Bush Intcntl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl
8 Jul - 24 Aug
$651pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl
4 Jul - 4 Aug
$657pp
IAH
Houston George Bush Intcntl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl

Non-stop flights to Heathrow from Houston

Save time with Houston to Heathrow direct flight deals
30 Jul - 16 Aug
$803pp
IAH
Houston George Bush Intcntl
Lufthansa
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
Non-Stop
IAH
Houston George Bush Intcntl
9 Aug - 16 Aug
$814pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
Non-Stop
IAH
Houston George Bush Intcntl
25 Oct - 1 Nov
$820pp
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 Heathrow

Late deals on round-trip flights to Heathrow from Houston, departing today and this week
28 Jun - 19 Jul
$964pp
IAH
Houston George Bush Intcntl
Air Canada
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
 
1 STOP
IAH
Houston George Bush Intcntl
28 Jun - 19 Jul
$968pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
 
1 STOP
IAH
Houston George Bush Intcntl
29 Jun - 26 Aug
$1,035pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl

One-way flights to Heathrow from Houston

The cheapest one-way flights from Houston to Heathrow
10:55 am - 4:35 am
Multiple Airlines
1 Stop
11h 40m
IAH - LHR
Multiple Airlines
$451
FlightNetwork
10:40 am - 4:35 am
Multiple Airlines
1 Stop
11h 55m
IAH - LHR
Multiple Airlines
$456
FlyFar
8:21 am - 1:45 am
Iberia
1 Stop
13h 24m
IAH - LHR
Iberia
$499
SnapTravelAir

Related info for your journey

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

Flight FAQs

From Houston to Heathrow

Are flight prices decreasing from Houston to Heathrow 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 Heathrow 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.

Which airlines flying from Houston George Bush Intcntl to London Heathrow 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 Heathrow have implemented new flexible cancellation policies.

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

Houston George Bush Intcntl (IAH), located 15.9 mi from the city center, is the airport you fly out of when you book flights from Houston to London Heathrow. 17 airlines have flights from George Bush Intcntl to London Heathrow on a regular basis. Booking flights from Houston George Bush Intcntl to London Heathrow should not be difficult; the airport handles an average of 2 outbound flights to London Heathrow per day.

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

Yes, there are multiple flights from Houston to Heathrow for under $700. The cheapest flight booked recently is on British Airways for just $647, but on average you can expect to pay $697.

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

Cheapflights has at least 20 direct flights from Houston to Heathrow under $900. A good price for a nonstop flight from Houston to Heathrow is less than $855.

Are there last-minute flights available from Houston to Heathrow for under $1,000?

There are currently 20+ open flights from Houston to Heathrow within the next 7 days for less than $1,000.

Does it rain more in Houston or Heathrow?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Houston is roughly greater than that of Heathrow. You can assume this to be the case over the next 16 days.

Is Houston weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 86 °F on average in the month of August. The temperature in Heathrow is typically colder than in Houston. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Houston to Heathrow?

A quick flight from Houston to Heathrow can take about 12h 30m. Air Canada provides one of the quickest options available for as low as $777. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Houston to Heathrow round-trip?

Flying on British Airways is currently your cheapest option to Heathrow, with prices starting at $647. Additional round-trip tickets that might be worth considering are offered by Air Canada and Virgin Atlantic, with the lowest prices starting at $664 and $677, respectively. British Airways is currently priced 26% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Houston to Heathrow one-way?

One-way options have recently been found by users for as low as $499 on Iberia.

Alternative routes for Houston to Heathrow

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

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Houston to Heathrow.
Today's exchange rate
$1 = £0.73
Average temperature for June in Heathrow
69.8 °F
Avg rainfall for June in Heathrow
1.8 ″

Airports servicing Houston

Airports servicing London

Top 10 airlines flying from Houston to Heathrow

The chart below displays the airlines Cheapflights users traveling from Houston to Heathrow 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 Heathrow

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