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$1,246+ Cheap flights from Dulles Intl (IAD) to Graz (GRZ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GRZ
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Graz

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Graz (GRZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,246
(Air Canada)

Popular in

June

Cheapest in

January

Average price

$796
Provider with most accurate pricing for Washington, D.C. (WAS)-Vienna Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Vienna Intl flights.
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From Washington, D.C. Dulles Intl to Graz Thalerhof
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Highest demand for flights based on searches. 18% potential increase in price ($213 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Dulles Intl to Graz

Cheapest flights from Dulles Intl to Graz
Explore the most affordable flight options available from Dulles Intl to Graz. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Air Canada deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmIAD - GRZ
2 stops19h 05mAir Canada
Sun 12/79:50 amGRZ - IAD
2 stops16h 36mAir Canada
Deal found 11/18$1,675
This SWISS deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:25 pmIAD - GRZ
1 stop18h 40mSWISS
Sun 12/73:45 pmGRZ - IAD
2 stops52h 15mSWISS
Deal found 11/19$1,714
This Lufthansa deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:40 pmIAD - GRZ
1 stop16h 00mLufthansa
Sun 12/72:15 pmGRZ - IAD
1 stop12h 00mLufthansa
Deal found 11/17$1,738

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Graz that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Graz that are best for you.

Fly from

Dulles Intl

Fly to

Graz

Route

Depart

Return

Price

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 4/29

1:00 pm-12:35 pm

2 stops17h 35m

Graz Thalerhof

Mon 5/4

10:25 am-9:05 pm

2 stops16h 40m

$1,246

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 4/29

1:00 pm-12:35 pm

2 stops17h 35m

Graz Thalerhof

Mon 5/4

9:50 am-8:22 pm

2 stops16h 32m

$1,249

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 4/29

6:25 pm-1:55 pm

2 stops13h 30m

Graz Thalerhof

Mon 5/4

3:40 pm-2:35 pm

1 stop28h 55m

$1,266

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 12/3

5:25 pm-6:05 pm

1 stop18h 40m

Graz Thalerhof

Sun 12/7

3:45 pm-2:00 pm

2 stops52h 15m

$1,714

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 12/3

5:40 pm-3:40 pm

1 stop16h 00m

Graz Thalerhof

Sun 12/7

2:15 pm-8:15 pm

1 stop12h 00m

$1,738

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Best time to book a flight from Dulles Intl to Graz

Have a flexible travel schedule? Discover the best time to fly to Graz from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Graz

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Graz?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Graz (average of $456). Flying from Washington, D.C. Dulles Intl Airport to Graz in June is currently the most expensive (average of $929). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Graz. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Graz from Washington, D.C. Dulles Intl?

    Graz Thalerhof (GRZ) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Graz. You should not have trouble finding flights to Thalerhof from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Graz airport from Washington, D.C. Dulles Intl. It is only a 5.2 mi journey from Thalerhof (GRZ) to Graz’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Graz?

    A quick flight from Washington, D.C. Dulles Intl Airport to Graz can take about 13h 30m. Air Canada provides one of the quickest options available for as low as $1,266. Airlines will cover a distance of 4443 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Dulles Intl to Graz that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Graz flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Graz?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Graz.

  • Can I find deals for business class flights from Dulles Intl to Graz?

    Yes. Cheapflights offers flight deals from Dulles Intl to Graz by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Graz?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Graz (average of $456). Flying from Washington, D.C. Dulles Intl Airport to Graz in June is currently the most expensive (average of $929). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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