$451 Cheap Flights from Seattle (SEA) to Graz (GRZ)

View $451 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Graz (GRZ)

Cheap Flights from Seattle to Graz (SEA-GRZ)

Prices were available within the past 7 days and start at $451 for one-way flights and $578 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $578 found 1 day ago
Lufthansa
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $583 found 1 day ago
Swiss International Air Lines
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $585 found 1 day ago
Swiss International Air Lines
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $591 found 1 day ago
Lufthansa
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$596 Roundtrip, found 1 day ago
$596
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $596 found 1 day ago
Swiss International Air Lines
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $599 found 1 day ago
Lufthansa
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$602 Roundtrip, found 1 day ago
$602
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $602 found 1 day ago
Air Canada
Tue, Jan 13 - Wed, Jan 21
SEA
Seattle
GRZ
Graz
$649 Roundtrip, found 1 day ago
$649
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Jan 13 from Seattle to Graz, returning Wed, Jan 21, priced at $649 found 1 day ago
United
Wed, Nov 12 - Wed, Nov 19
SEA
Seattle
GRZ
Graz
$746 Roundtrip, found 2 days ago
$746
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 12 from Seattle to Graz, returning Wed, Nov 19, priced at $746 found 2 days ago
Austrian Airlines
Wed, Nov 12 - Wed, Nov 19
SEA
Seattle
GRZ
Graz
$772 Roundtrip, found 2 days ago
$772
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Wed, Nov 12 from Seattle to Graz, returning Wed, Nov 19, priced at $772 found 2 days ago

Alternative airports near Graz

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

Select flight to Thalerhof GRZ. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $893
GRZ
Thalerhof
CheapestClosest
Average driving time to city center12 min
Flights from $893
Flights from Seattle (SEA) to Graz (GRZ)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Graz
Airlines serving
Air Canada, Austrian Airlines, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$578
Distance
5432 mi

Seattle to Graz Flights

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

 

The best time to book a flight from Seattle to Graz

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Graz in 2025. You can also book with separate airlines for your outbound and return journeys, from $451 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 Seattle 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 Seattle 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 Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ) cost?
Snag a cheap one-way flight from $451 or cheap return flight from $578 from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ)?
January is the most affordable month to fly from SEA to GRZ. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ)?
To find the cheapest airline flying from SEA to GRZ, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ)?
You'll have to book a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to GRZ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ)?
To touch down at Thalerhof Airport (GRZ) on schedule, opt for a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ) last-minute?
Holding off until right before your break to book a ticket from SEA to GRZ often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a SEA to GRZ flight and hotel package?
You'll generally save money by securing a SEA to GRZ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Thalerhof Airport (GRZ)?
In most instances, you can modify or cancel your SEA to GRZ flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.