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$309+ Cheap flights from Dulles Intl (IAD) to Graz (GRZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GRZ
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$763
(Gotogate)

One-way from

$309
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$770
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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One-way flight from Washington, D.C. Dulles Intl to Graz Thalerhof
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Highest demand for flights based on searches. 19% 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 January 2026
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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 January 8, 2026.

This Gotogate deal was found by Cheapflights users on 1/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:30 pmIAD - GRZ
2 stops14h 25mMultiple Airlines
Mon 3/910:45 amGRZ - IAD
2 stops15h 09mMultiple Airlines
Deal found 1/6$763
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 pmIAD - GRZ
1 stop13h 40mAustrian Airlines
Mon 3/93:45 pmGRZ - IAD
1 stop28h 55mAustrian Airlines
Deal found 1/6$838
This Air Canada deal was found by Cheapflights users on 1/7. 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 4/291:00 pmIAD - GRZ
2 stops17h 35mAir Canada
Mon 5/49:50 amGRZ - IAD
2 stops16h 39mAir Canada
Deal found 1/7$957
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:20 pmIAD - GRZ
1 stop17h 00mSWISS
Mon 5/410:50 amGRZ - IAD
2 stops33h 05mSWISS
Deal found 1/6$959
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:25 pmIAD - GRZ
1 stop13h 10mLufthansa
Mon 5/47:00 pmGRZ - IAD
2 stops25h 20mLufthansa
Deal found 1/7$974
This Gotogate deal was found by Cheapflights users on 1/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:19 amIAD - GRZ
2 stops22h 16mMultiple Airlines
Sat 5/161:15 pmGRZ - IAD
2 stops37h 50mMultiple Airlines
Deal found 1/7$978
This Gotogate deal was found by Cheapflights users on 1/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:30 pmIAD - GRZ
2 stops19h 45mMultiple Airlines
Fri 2/279:50 amGRZ - IAD
2 stops16h 39mMultiple Airlines
Deal found 1/6$1,053

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 January 8, 2026.
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

Mon 3/2

4:30 pm-12:55 pm

2 stops14h 25m

Graz Thalerhof

Mon 3/9

10:45 am-8:54 pm

2 stops15h 09m

$763

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 3/2

6:00 pm-1:40 pm

1 stop13h 40m

Graz Thalerhof

Mon 3/9

3:45 pm-3:40 pm

1 stop28h 55m

$838

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Fri 2/20

4:30 pm-6:15 pm

2 stops19h 45m

Graz Thalerhof

Fri 2/27

9:50 am-8:29 pm

2 stops16h 39m

$1,053

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 2/25

12:33 pm-3:40 pm

2 stops21h 07m

Graz Thalerhof

Sun 3/1

9:50 am-3:46 pm

2 stops35h 56m

$1,060

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Fri 2/20

10:00 pm-6:15 pm

1 stop14h 15m

Graz Thalerhof

Fri 2/27

2:15 pm-8:15 pm

1 stop12h 00m

$1,142

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Sat 2/21

10:09 pm-3:40 pm

2 stops35h 31m

Graz Thalerhof

Sat 2/28

6:05 am-2:00 pm

2 stops37h 55m

$1,188

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 2/18

10:30 pm-6:15 pm

3 stops37h 45m

$309

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Sat 2/21

7:40 pm-9:50 am

3 stops32h 10m

$362

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Tue 2/17

5:30 pm-8:35 pm

3 stops45h 05m

$362

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 2/19

7:40 pm-6:15 pm

3 stops16h 35m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 12 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, 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 $881). 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 40m. Austrian Airlines provides one of the quickest options available for as low as $838. 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, 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 $881). 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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