£129 Cheap Flights from Graz (GRZ) to London (LHR)

View £129 flight on Tue, 30 Jun 2026Opens in a new window

Popular airlines from Graz (GRZ) to Heathrow Airport (LHR)

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Cheap Flights from Graz (GRZ) to London (LHR)

Prices were available within the past 7 days and start at £129 for one-way flights and £225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, 1 Jun - Fri, 12 Jun
GRZ
Graz
LHR
London
£225 Return, found 4 days ago
£225
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 1 Jun from Graz to London, returning Fri, 12 Jun, priced at £225 found 4 days ago
Lufthansa
Sun, 14 Jun - Wed, 17 Jun
GRZ
Graz
LHR
London
£226 Return, found 3 days ago
£226
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 14 Jun from Graz to London, returning Wed, 17 Jun, priced at £226 found 3 days ago
Swiss International Air Lines
Thu, 4 Jun - Sat, 6 Jun
GRZ
Graz
LHR
London
£227 Return, found 6 days ago
£227
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 4 Jun from Graz to London, returning Sat, 6 Jun, priced at £227 found 6 days ago
Lufthansa
Tue, 16 Jun - Fri, 19 Jun
GRZ
Graz
LHR
London
£229 Return, found 6 days ago
£229
Return
found 6 days ago
Select Lufthansa flight, departing Tue, 16 Jun from Graz to London, returning Fri, 19 Jun, priced at £229 found 6 days ago
Lufthansa
Tue, 2 Jun - Fri, 12 Jun
GRZ
Graz
LHR
London
£230 Return, found 4 days ago
£230
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 2 Jun from Graz to London, returning Fri, 12 Jun, priced at £230 found 4 days ago
Lufthansa
Mon, 1 Jun - Fri, 12 Jun
GRZ
Graz
LHR
London
£231 Return, found 4 days ago
£231
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 1 Jun from Graz to London, returning Fri, 12 Jun, priced at £231 found 4 days ago
Lufthansa
Mon, 1 Jun - Fri, 12 Jun
GRZ
Graz
LHR
London
£232 Return, found 4 days ago
£232
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 1 Jun from Graz to London, returning Fri, 12 Jun, priced at £232 found 4 days ago
Lufthansa
Mon, 1 Jun - Fri, 12 Jun
GRZ
Graz
LHR
London
£234 Return, found 4 days ago
£234
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 1 Jun from Graz to London, returning Fri, 12 Jun, priced at £234 found 4 days ago
Austrian Airlines
Sun, 14 Jun - Sun, 21 Jun
GRZ
Graz
LHR
London
£258 Return, found 22 hours ago
£258
Return
found 22 hours ago
Select Austrian Airlines flight, departing Sun, 14 Jun from Graz to London, returning Sun, 21 Jun, priced at £258 found 22 hours ago
Eurowings
Mon, 11 May - Fri, 22 May
GRZ
Graz
LHR
London
£263 Return, found 1 day ago
£263
Return
found 1 day ago
Select Eurowings flight, departing Mon, 11 May from Graz to London, returning Fri, 22 May, priced at £263 found 1 day ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from £207
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from £207
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £465
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £465

Frequently asked questions

How do I find cheap flights from Graz (GRZ) to London (LHR-Heathrow)?
To find a cheap flight from Graz (GRZ) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Graz (GRZ) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Graz (GRZ) to London (LHR-Heathrow)?
There are approximately 10 connecting flights per day from Graz (GRZ) to London Heathrow (LHR). Some common connection points include Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), and Vienna Intl. (VIE).
What is the earliest flight from Graz (GRZ) to London (LHR-Heathrow)?
The earliest flight from Graz (GRZ) to London Heathrow (LHR) typically departs at approximately 6:00 AM local time, operated by airlines such as Eurowings and Lufthansa. This is a seasonal service active in July and October. An early departure like this can help you maximise your time in London. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Graz (GRZ) to London (LHR-Heathrow)?
You'll typically find the most flights from Graz (GRZ) to London Heathrow (LHR) on a Thursday, with around 22 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Eurowings, Austrian Airlines, and TUI fly Deutschland.
What are the most popular departure times for flights from Graz (GRZ) to London (LHR-Heathrow)?
The most popular departure times for flights from Graz (GRZ) to London Heathrow (LHR) are in the morning, from 9am to 12pm. Approximately 30% of passengers prefer this time window. Many major carriers, including Lufthansa, Vueling and Austrian Airlines, offer flights during this window. This timing works well if you prefer to arrive in London with plenty of the day left to settle in or start exploring.
How long does it take to fly from Graz (GRZ) to London (LHR-Heathrow)?
Flying from GRZ to LHR with a connection usually takes about 8 hours 20 minutes, traveling roughly 779 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Graz (GRZ) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for GRZ to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Graz (GRZ) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Graz (GRZ) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Thalerhof (GRZ)?
From Thalerhof (GRZ), you can fly into Heathrow (LHR), London City (LCY) and Gatwick (LGW) in London. Some flights may connect through major hubs like Vienna Intl. (VIE), Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Graz (GRZ) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Graz (GRZ) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Graz (GRZ) to London (LHR-Heathrow) flight and hotel package?
Securing a Graz (GRZ) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Graz (GRZ) to London (LHR-Heathrow)?
If you booked your Graz (GRZ) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Graz
Destination airport
Heathrow
Airlines serving
Austrian Airlines, Eurowings, Lufthansa, Swiss International Air Lines
Return price
£225
Distance
1246 km

Book with confidence

Compare flights from Graz to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Graz to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Graz to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Graz (GRZ) to Heathrow (LHR)

The easiest way to view the best deals on flights from Graz to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Graz to Heathrow start at just £225 and range up to £263.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Graz and London
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Graz to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Graz to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Graz to London easily and book with confidence

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