$137 Cheap Flights from Istanbul (IST) to Graz (GRZ)

View $137 flight on Sat, Feb 14, 2026Opens in a new window

Popular airlines from Istanbul Airport (IST) to Graz (GRZ)

Cheap Flights from Istanbul to Graz (IST-GRZ)

Prices were available within the past 7 days and start at $137 for one-way flights and $425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$425 Roundtrip, found 1 day ago
$425
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $425 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$426 Roundtrip, found 1 day ago
$426
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $426 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$471 Roundtrip, found 1 day ago
$471
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $471 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$489 Roundtrip, found 1 day ago
$489
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $489 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$490 Roundtrip, found 1 day ago
$490
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $490 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$515 Roundtrip, found 1 day ago
$515
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $515 found 1 day ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$521 Roundtrip, found 1 day ago
$521
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $521 found 1 day ago
KM Malta Airlines
Wed, Dec 31 - Sun, Jan 4
IST
Istanbul
GRZ
Graz
$534 Roundtrip, found 2 days ago
$534
Roundtrip
found 2 days ago
Select KM Malta Airlines flight, departing Wed, Dec 31 from Istanbul to Graz, returning Sun, Jan 4, priced at $534 found 2 days ago
Lufthansa
Sat, Feb 14 - Sun, Feb 15
IST
Istanbul
GRZ
Graz
$536 Roundtrip, found 1 day ago
$536
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Feb 14 from Istanbul to Graz, returning Sun, Feb 15, priced at $536 found 1 day ago
Turkish Airlines
Wed, Dec 31 - Sun, Jan 4
IST
Istanbul
GRZ
Graz
$623 Roundtrip, found 2 days ago
$623
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Dec 31 from Istanbul to Graz, returning Sun, Jan 4, priced at $623 found 2 days ago
Flights from Istanbul (IST) to Graz (GRZ)
Origin airport
Istanbul
Destination airport
Graz
Airlines serving
Lufthansa
Roundtrip price
$424
Distance
767 mi

Istanbul to Graz Flights

The cheapest times to fly from Istanbul 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 Istanbul to Graz are during the month of February. You can find some of the cheapest flights from Istanbul to Graz with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Graz

Sunday is one of the best days to book for cheap flights from Istanbul 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 Istanbul 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 Istanbul to Graz in 2026. You can also book with separate airlines for your outbound and return journeys, from $137 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 Istanbul 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 Istanbul 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 Istanbul (IST) to Thalerhof Airport (GRZ) cost?
Lock in a cheap one-way flight from $137 or cheap return flight from $425 from Istanbul (IST) 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 Istanbul (IST) to Thalerhof Airport (GRZ)?
February is the most affordable month to fly from IST to GRZ. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Istanbul (IST) to Thalerhof Airport (GRZ)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IST to GRZ flight.
How many flights per day from Istanbul (IST) to Thalerhof Airport (GRZ)?
There aren't any daily direct flights departing from Istanbul (IST) to Thalerhof Airport (GRZ). But you can book 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 IST to GRZ?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Thalerhof Airport (GRZ)?
Select a flight from Istanbul (IST) to Thalerhof Airport (GRZ) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Istanbul (IST) to Thalerhof Airport (GRZ) last-minute?
Last-minute bookings from IST to GRZ are typically more expensive. To secure the best rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book an IST to GRZ flight and hotel package?
Booking an IST to GRZ flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of accommodations 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 Istanbul (IST) to Thalerhof Airport (GRZ)?
Typically, you can reschedule or cancel your IST to GRZ flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.