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Cheap flights from Washington, D.C. Dulles Intl Airport to Vienna from $859

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Vienna departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 6:15 pm
IAD
-
GRZ
16h 35m2 stops
Multiple Airlines Logo
6:00 am - 6:30 pm
GRZ
-
IAD
18h 30m3 stops
$859Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
7:40 pm - 1:35 pm
IAD
-
GRZ
35h 55m3 stops
Multiple Airlines Logo
6:00 am - 6:30 pm
GRZ
-
IAD
18h 30m3 stops
$1,062Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Lufthansa Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m1 stop
Lufthansa Logo
7:00 pm - 1:55 pm
GRZ
-
IAD
24h 55m2 stops
$1,237Lufthansa
Wed, Apr 29 - Mon, May 4
Lufthansa Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m1 stop
Lufthansa Logo
2:45 pm - 7:55 pm
GRZ
-
IAD
11h 10m1 stop
$1,251Lufthansa
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
1:00 pm - 12:35 pm
IAD
-
GRZ
17h 35m2 stops
Multiple Airlines Logo
10:25 am - 9:05 pm
GRZ
-
IAD
16h 40m2 stops
$1,253Multiple Airlines
Wed, Apr 29 - Mon, May 4
Air Canada Logo
1:00 pm - 12:35 pm
IAD
-
GRZ
17h 35m2 stops
Air Canada Logo
9:50 am - 8:29 pm
GRZ
-
IAD
16h 39m2 stops
$1,255Air Canada
Wed, Apr 29 - Mon, May 4
Air Canada Logo
12:35 pm - 3:40 pm
IAD
-
GRZ
21h 05m2 stops
Air Canada Logo
9:50 am - 11:35 am
GRZ
-
IAD
31h 45m2 stops
$1,355Air Canada
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
9:00 am - 3:40 pm
IAD
-
GRZ
24h 40m2 stops
Air Canada Logo
9:50 am - 8:29 pm
GRZ
-
IAD
16h 39m2 stops
$1,359Air Canada
Wed, Feb 4 - Sun, Feb 8
Lufthansa Logo
6:00 pm - 1:35 pm
IAD
-
GRZ
13h 35m1 stop
Lufthansa Logo
9:50 am - 2:00 pm
GRZ
-
IAD
34h 10m2 stops
$1,378Lufthansa
Thu, Jan 22 - Mon, Jan 26
Lufthansa Logo
6:00 pm - 1:35 pm
IAD
-
GRZ
13h 35m1 stop
Lufthansa Logo
6:05 am - 3:50 pm
GRZ
-
IAD
15h 45m1 stop
$1,400Lufthansa
Thu, Jan 22 - Mon, Jan 26

Air Canada flights from Washington, D.C. Dulles Intl Airport to Graz

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Graz flight tickets
Air Canada
Apr 29
IAD1:00 pmWashington, D.C. Dulles Intl
17h 35m
2 stops
GRZ12:35 pmGraz Thalerhof
May 4
GRZ9:50 amGraz Thalerhof
16h 39m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$1,255
Find similar
Air Canada
Jan 21
IAD12:35 pmWashington, D.C. Dulles Intl
21h 05m
2 stops
GRZ3:40 pmGraz Thalerhof
Jan 25
GRZ9:50 amGraz Thalerhof
31h 45m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl
$1,355
Find similar
Air Canada
Feb 4
IAD12:35 pmWashington, D.C. Dulles Intl
21h 05m
2 stops
GRZ3:40 pmGraz Thalerhof
Feb 8
GRZ9:50 amGraz Thalerhof
36h 40m
2 stops
IAD4:30 pmWashington, D.C. Dulles Intl
$1,359
Find similar

Lufthansa flights from Washington, D.C. Dulles Intl Airport to Graz

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Graz flight tickets
Lufthansa
Apr 29
IAD5:25 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
GRZ12:35 pmGraz Thalerhof
May 4
GRZ7:00 pmGraz Thalerhof
25h 20m
2 stops
IAD2:20 pmWashington, D.C. Dulles Intl
$1,237
Find similar
Lufthansa
Apr 29
IAD10:20 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
GRZ4:10 pmGraz Thalerhof
May 4
GRZ2:45 pmGraz Thalerhof
11h 10m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$1,251
Find similar
Lufthansa
Jan 22
IAD6:00 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
GRZ1:35 pmGraz Thalerhof
Jan 26
GRZ9:50 amGraz Thalerhof
34h 10m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
$1,378
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 22, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/22

7:40 pm-6:15 pm

2 stops16h 35m

Graz Thalerhof

Mon 1/26

6:00 am-6:30 pm

3 stops18h 30m

$859

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/22

7:40 pm-1:35 pm

3 stops35h 55m

Graz Thalerhof

Mon 1/26

6:00 am-6:30 pm

3 stops18h 30m

$1,062

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 4/29

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Mon 5/4

7:00 pm-1:55 pm

2 stops24h 55m

$1,237

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 4/29

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Mon 5/4

2:45 pm-7:55 pm

1 stop11h 10m

$1,251

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

$1,253

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-8:29 pm

2 stops16h 39m

$1,255

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 1/21

12:35 pm-3:40 pm

2 stops21h 05m

Graz Thalerhof

Sun 1/25

9:50 am-11:35 am

2 stops31h 45m

$1,355

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 2/4

9:00 am-3:40 pm

2 stops24h 40m

Graz Thalerhof

Sun 2/8

9:50 am-8:29 pm

2 stops16h 39m

$1,359

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/22

6:00 pm-1:35 pm

1 stop13h 35m

Graz Thalerhof

Mon 1/26

9:50 am-2:00 pm

2 stops34h 10m

$1,378

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/22

6:00 pm-1:35 pm

1 stop13h 35m

Graz Thalerhof

Mon 1/26

6:05 am-3:50 pm

1 stop15h 45m

$1,400

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Vienna from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Graz

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Graz?

Austrian Airlines, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Graz from Washington, D.C. Dulles Intl Airport according to our data. Austrian Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 8 different airlines that fly to Graz on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Dulles Intl Airport to Graz

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Graz according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Graz (IAD to GRZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Graz

Fastest flight time

11h 50m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Graz takes 11h 50m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Graz. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Graz.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Graz Thalerhof by plane?

    Graz Thalerhof is 4440.5 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 11h 50m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Graz Thalerhof Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Graz Thalerhof Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Graz Thalerhof Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Graz Thalerhof Airport.

  • What documentation or ID do you need to fly to Graz Thalerhof Airport?

    The travel and health documents you'll need for your trip to Graz Thalerhof Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Graz Thalerhof Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Graz?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Graz from Washington, D.C..

Can I find flights from Washington, D.C. to Graz with flexible booking policies on momondo?

momondo does allow users to show only those flights to Graz from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Graz?

momondo provides multiple filters to help you find the best flight to Graz from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Graz right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Graz flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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