$135 Cheap Flights from London (LHR) to Graz (GRZ)

View $135 flight on Fri, Dec 12, 2025Opens in a new window

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

Cheap Flights from London to Graz (LHR-GRZ)

Prices were available within the past 7 days and start at $135 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Sun, Jan 18 - Sun, Jan 25
LHR
London
GRZ
Graz
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Sun, Jan 18 from London to Graz, returning Sun, Jan 25, priced at $250 found 3 days ago
Austrian Airlines
Thu, Jan 22 - Mon, Jan 26
LHR
London
GRZ
Graz
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Thu, Jan 22 from London to Graz, returning Mon, Jan 26, priced at $251 found 4 days ago
Austrian Airlines
Fri, Mar 20 - Mon, Mar 23
LHR
London
GRZ
Graz
$252 Roundtrip, found 2 hours ago
$252
Roundtrip
found 2 hours ago
Select Austrian Airlines flight, departing Fri, Mar 20 from London to Graz, returning Mon, Mar 23, priced at $252 found 2 hours ago
Lufthansa
Mon, Jan 19 - Mon, Jan 26
LHR
London
GRZ
Graz
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Jan 19 from London to Graz, returning Mon, Jan 26, priced at $252 found 1 day ago
Austrian Airlines
Wed, Jul 1 - Wed, Jul 15
LHR
London
GRZ
Graz
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Jul 1 from London to Graz, returning Wed, Jul 15, priced at $254 found 5 days ago
Lufthansa
Wed, Jul 1 - Wed, Jul 15
LHR
London
GRZ
Graz
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Jul 1 from London to Graz, returning Wed, Jul 15, priced at $254 found 5 days ago
Lufthansa
Sun, Jan 18 - Sun, Jan 25
LHR
London
GRZ
Graz
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Jan 18 from London to Graz, returning Sun, Jan 25, priced at $259 found 3 days ago
Lufthansa
Fri, Mar 20 - Mon, Mar 23
LHR
London
GRZ
Graz
$261 Roundtrip, found 2 hours ago
$261
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Fri, Mar 20 from London to Graz, returning Mon, Mar 23, priced at $261 found 2 hours ago
Swiss International Air Lines
Fri, Mar 13 - Mon, Mar 16
LHR
London
GRZ
Graz
$266 Roundtrip, found 2 hours ago
$266
Roundtrip
found 2 hours ago
Select Swiss International Air Lines flight, departing Fri, Mar 13 from London to Graz, returning Mon, Mar 16, priced at $266 found 2 hours ago
Eurowings
Mon, Mar 9 - Wed, Mar 25
LHR
London
GRZ
Graz
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select Eurowings flight, departing Mon, Mar 9 from London to Graz, returning Wed, Mar 25, priced at $324 found 3 days ago
Flights from London (LHR) to Graz (GRZ)
Origin airport
Heathrow
Destination airport
Graz
Airlines serving
Austrian Airlines, Eurowings, Lufthansa, Swiss International Air Lines
Roundtrip price
$250
Distance
778 mi

London to Graz Flights

The cheapest times to fly from London to Graz

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Graz are during the month of January. You can find some of the cheapest flights from London to Graz with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Graz

Sunday is one of the best days to book for cheap flights from London to Graz: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Graz

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Graz in 2026. You can also book with separate airlines for your outbound and return journeys, from $135 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Graz flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Graz airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Thalerhof Airport (GRZ) cost?
Grab a cheap one-way flight from $135 or cheap return flight from $250 from Heathrow Airport (LHR) to Thalerhof Airport (GRZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Thalerhof Airport (GRZ)?
Flying in January is a great way to save, as it's the cheapest month for flights between LHR and GRZ. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Thalerhof Airport (GRZ)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LHR to GRZ flight.
How many flights per day from Heathrow Airport (LHR) to Thalerhof Airport (GRZ)?
There are no daily direct flights available from Heathrow Airport (LHR) to Thalerhof Airport (GRZ). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from LHR to GRZ?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Thalerhof Airport (GRZ)?
To avoid potential delays on the Heathrow Airport (LHR) to Thalerhof Airport (GRZ) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Thalerhof Airport (GRZ) last-minute?
Booking your flight from LHR to GRZ shortly before your getaway is typically more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a LHR to GRZ flight and hotel package?
Opting for a LHR to GRZ flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Thalerhof Airport (GRZ)?
In most instances, you're able to reschedule or cancel your LHR to GRZ flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.