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

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The best prices from Houston to Heathrow are usually found in September or January, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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

IAH - LHR
Price
$718 - $1,354
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches
Popular in June High demand for flights, 32% potential price rise
Cheapest in September Best time to find cheap flights, 22% potential price drop
Round-trip from $718 From Houston to Heathrow
One-way from $452 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.
What is the cheapest day to fly round-trip from Houston to Heathrow?

Thursday flights are found to be more expensive to fly from Houston to Heathrow. 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 Heathrow.

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 51 days in advance, which can save you up to 38% on flights from Houston to Heathrow compared to booking the week you need them. Waiting 51 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 $813. For sooner than that we have options available in the next 3 days from $886.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Heathrow. Flights to Heathrow from Houston in February are about $634 on average during February, but can be found for as low as $394.

When is the cheapest time to fly from Houston to Heathrow (IAH - LHR)?

It’s optimal to fly from Houston to Heathrow in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

Cheap flights from Houston to Heathrow in September, October 2020

The best prices found for IAH to LHR flights for September, October
25 Oct - 13 Nov
$442pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
25 Oct - 31 Oct
$460pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
31 Oct - 7 Nov
$472pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl

Houston to Heathrow 2020 flight deals

Cheap flights to Heathrow from Houston found for this year
4 Nov - 11 Nov
$412pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
25 Oct - 13 Nov
$442pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
4 Nov - 11 Nov
$456pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl

Non-stop flights to Heathrow from Houston

Save time with Houston to Heathrow direct flight deals
4 Nov - 11 Nov
$755pp
IAH
Houston George Bush Intcntl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAH
Houston George Bush Intcntl
28 Oct - 1 Nov
$835pp
IAH
Houston George Bush Intcntl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAH
Houston George Bush Intcntl
8 Jan - 12 Jan
$836pp
IAH
Houston George Bush Intcntl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
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
4 Oct - 13 Oct
$798pp
IAH
Houston George Bush Intcntl
Turkish Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Turkish Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
4 Oct - 15 Oct
$848pp
IAH
Houston George Bush Intcntl
Turkish Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Turkish Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
7 Oct - 21 Oct
$860pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
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
2:30 am - 5:55 am
Multiple Airlines
3 Stops
45h 25m
IAH - LHR
Multiple Airlines
$452
Kiwi.com
6:25 am - 12:30 pm
TAP AIR PORTUGAL
2 Stops
24h 05m
IAH - LHR
TAP AIR PORTUGAL
11:02 am - 12:00 pm
SAS
2 Stops
42h 58m
IAH - LHR
SAS
$658
Ovago

Related info for your journey

Useful info, stats and facts about Houston to Heathrow 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.

Can I find flights from Houston to Heathrow for under $500 on Cheapflights?

Yes, there are multiple flights from Houston to Heathrow for under $500. The cheapest flight booked recently is on Multiple Airlines for just $412, but on average you can expect to pay $496.

Are there nonstop flights from Houston to Heathrow for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to Heathrow under $800. A good price for a nonstop flight from Houston to Heathrow is less than $857.

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

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

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 12 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.

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 $361 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include SAS from $653 and Aeromexico from $670 one-way.

Alternative routes for Houston to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from Houston to Heathrow
Today's exchange rate
$1 = £0.79
Average temperature for September in Heathrow
68.0 °F
Avg rainfall for September in Heathrow
2.1 ″

Airports servicing Houston

Airports servicing London