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$806+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GRZ
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$746
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$852
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 ($208 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 October 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 October 14, 2025.

This SmartFares deal was found by Cheapflights users on 10/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:55 pmIAD - GRZ
1 stop10h 45mMultiple Airlines
Fri 1/96:00 amGRZ - IAD
1 stop14h 40mMultiple Airlines
Deal found 10/13$835
This Ovago deal was found by Cheapflights users on 10/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmIAD - GRZ
2 stops18h 05mAustrian Airlines
Fri 1/96:00 amGRZ - IAD
1 stop14h 40mAustrian Airlines
Deal found 10/13$844
This Lufthansa deal was found by Cheapflights users on 10/13. 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.
Tue 12/306:00 pmIAD - GRZ
1 stop13h 35mLufthansa
Fri 1/96:05 amGRZ - IAD
1 stop15h 45mLufthansa
Deal found 10/13$852
This Lufthansa deal was found by Cheapflights users on 10/13. 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 12/3110:55 pmIAD - GRZ
1 stop10h 45mLufthansa
Sat 1/106:05 amGRZ - IAD
1 stop15h 45mLufthansa
Deal found 10/13$890
This Lufthansa deal was found by Cheapflights users on 10/13. 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.
Tue 12/306:00 pmIAD - GRZ
1 stop13h 35mLufthansa
Sat 1/106:05 amGRZ - IAD
1 stop15h 45mLufthansa
Deal found 10/13$902
This Lufthansa deal was found by Cheapflights users on 10/13. 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 12/3110:55 pmIAD - GRZ
1 stop10h 45mLufthansa
Thu 1/86:05 amGRZ - IAD
1 stop15h 45mLufthansa
Deal found 10/13$985
This Lufthansa deal was found by Cheapflights users on 10/13. 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.
Tue 12/306:00 pmIAD - GRZ
1 stop13h 35mLufthansa
Thu 1/86:05 amGRZ - IAD
1 stop15h 45mLufthansa
Deal found 10/13$997

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 October 14, 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

Thu 1/22

9:00 am-10:45 pm

2 stops31h 45m

Graz Thalerhof

Mon 2/2

2:15 pm-8:29 pm

2 stops36h 14m

$806

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 12/31

10:55 pm-3:40 pm

1 stop10h 45m

Graz Thalerhof

Fri 1/9

6:00 am-2:40 pm

1 stop14h 40m

$835

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Tue 12/30

6:00 pm-1:35 pm

1 stop13h 35m

Graz Thalerhof

Fri 1/9

6:05 am-3:50 pm

1 stop15h 45m

$852

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 12/31

10:55 pm-3:40 pm

1 stop10h 45m

Graz Thalerhof

Sat 1/10

6:05 am-3:50 pm

1 stop15h 45m

$890

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Tue 12/30

6:00 pm-1:35 pm

1 stop13h 35m

Graz Thalerhof

Sat 1/10

6:05 am-3:50 pm

1 stop15h 45m

$902

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/1

6:00 pm-12:55 pm

2 stops12h 55m

Graz Thalerhof

Fri 1/9

6:05 am-3:50 pm

1 stop15h 45m

$926

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/1

6:00 pm-1:45 pm

1 stop13h 45m

Graz Thalerhof

Sat 1/10

6:00 am-2:40 pm

1 stop14h 40m

$927

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 12/31

10:55 pm-3:40 pm

1 stop10h 45m

Graz Thalerhof

Thu 1/8

6:05 am-3:50 pm

1 stop15h 45m

$985

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/1

8:30 pm-2:20 pm

1 stop11h 50m

Graz Thalerhof

Thu 1/8

6:05 am-3:50 pm

1 stop15h 45m

$1,036

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 11/6

1:00 pm-6:15 pm

3 stops47h 15m

$1,291

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 13 results
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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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Graz (average of $496). Flying from Washington, D.C. Dulles Intl Airport to Graz in June is currently the most expensive (average of $930). 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 35m. Lufthansa provides one of the quickest options available for as low as $852. Airlines will cover a distance of 4443 mi.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Graz (average of $496). Flying from Washington, D.C. Dulles Intl Airport to Graz in June is currently the most expensive (average of $930). 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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