$621 Cheap Flights from Washington (IAD) to Graz (GRZ)

View $621 flight on Mon, Apr 13, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Graz (GRZ)

Cheap Flights from Washington to Graz (IAD-GRZ)

Prices were available within the past 7 days and start at $621 for one-way flights and $758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Dec 31 - Thu, Jan 15
IAD
Washington
GRZ
Graz
$758 Roundtrip, found 6 days ago
$758
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 31 from Washington to Graz, returning Thu, Jan 15, priced at $758 found 6 days ago
Air Canada
Wed, Dec 31 - Thu, Jan 15
IAD
Washington
GRZ
Graz
$765 Roundtrip, found 6 days ago
$765
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 31 from Washington to Graz, returning Thu, Jan 15, priced at $765 found 6 days ago
Air Canada
Wed, Dec 31 - Tue, Jan 13
IAD
Washington
GRZ
Graz
$776 Roundtrip, found 5 days ago
$776
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, Dec 31 from Washington to Graz, returning Tue, Jan 13, priced at $776 found 5 days ago
Air Canada
Tue, Jan 13 - Tue, Jan 27
IAD
Washington
GRZ
Graz
$778 Roundtrip, found 6 days ago
$778
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Jan 13 from Washington to Graz, returning Tue, Jan 27, priced at $778 found 6 days ago
Air Canada
Mon, Apr 13 - Sun, Apr 19
IAD
Washington
GRZ
Graz
$808 Roundtrip, found 11 hours ago
$808
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Mon, Apr 13 from Washington to Graz, returning Sun, Apr 19, priced at $808 found 11 hours ago
Air Canada
Thu, Jan 1 - Thu, Jan 15
IAD
Washington
GRZ
Graz
$810 Roundtrip, found 6 days ago
$810
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Jan 1 from Washington to Graz, returning Thu, Jan 15, priced at $810 found 6 days ago
United
Wed, Dec 24 - Fri, Jan 9
IAD
Washington
GRZ
Graz
$851 Roundtrip, found 6 days ago
$851
Roundtrip
found 6 days ago
Select United flight, departing Wed, Dec 24 from Washington to Graz, returning Fri, Jan 9, priced at $851 found 6 days ago
Austrian Airlines
Mon, Apr 13 - Sun, Apr 19
IAD
Washington
GRZ
Graz
$854 Roundtrip, found 11 hours ago
$854
Roundtrip
found 11 hours ago
Select Austrian Airlines flight, departing Mon, Apr 13 from Washington to Graz, returning Sun, Apr 19, priced at $854 found 11 hours ago
Lufthansa
Mon, Apr 13 - Sun, Apr 19
IAD
Washington
GRZ
Graz
$858 Roundtrip, found 11 hours ago
$858
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Mon, Apr 13 from Washington to Graz, returning Sun, Apr 19, priced at $858 found 11 hours ago
Swiss International Air Lines
Mon, Apr 13 - Sun, Apr 19
IAD
Washington
GRZ
Graz
$888 Roundtrip, found 11 hours ago
$888
Roundtrip
found 11 hours ago
Select Swiss International Air Lines flight, departing Mon, Apr 13 from Washington to Graz, returning Sun, Apr 19, priced at $888 found 11 hours 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 $1,305
GRZ
Thalerhof
CheapestClosest
Average driving time to city center12 min
Flights from $1,305

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ) cost?
Grab a cheap one-way flight from $621 or cheap return flight from $758 from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ)?
Planning your getaway for December is a good way to save, as it's the cheapest month for flights between IAD and GRZ. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAD to GRZ. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to GRZ?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ) route, aim to travel before 3 PM. Flights 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 Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ) last-minute?
Waiting until just before your trip to book a flight from IAD to GRZ generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book an IAD to GRZ flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to GRZ flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Thalerhof Airport (GRZ)?
In most cases, you can modify or cancel your IAD to GRZ flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Graz
Airlines serving
Air Canada, Austrian Airlines, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$758
Distance
4445 mi

Book with confidence

Washington to Graz Flights

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

 

The best time to book a flight from Washington to Graz

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Graz in 2025. You can also book with separate airlines for your outbound and return journeys, from $621 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 Washington 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 Washington 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.

 

Washington to Graz Flights

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*Available to One Key members.