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Cheap flights from Washington, D.C. Dulles Intl Airport to Vienna from $1,086

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 10/16. 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

Multiple Airlines Logo
1:30 pm - 3:55 pmIAD-GRZ
20h 25m2 stops
Multiple Airlines Logo
4:35 pm - 11:45 amGRZ-IAD
25h 10m2 stops
$1,086Multiple Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Lufthansa Logo
6:00 pm - 1:35 pmIAD-GRZ
13h 35m1 stop
Lufthansa Logo
2:15 pm - 3:50 pmGRZ-IAD
31h 35m1 stop
$1,089Lufthansa
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
5:15 pm - 1:35 pmIAD-GRZ
14h 20m1 stop
United Airlines Logo
6:05 am - 3:50 pmGRZ-IAD
15h 45m1 stop
$1,118United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
6:00 pm - 1:35 pmIAD-GRZ
13h 35m1 stop
United Airlines Logo
6:05 am - 3:50 pmGRZ-IAD
15h 45m1 stop
$1,119United Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
10:20 am - 12:35 pmIAD-GRZ
20h 15m2 stops
Air Canada Logo
6:00 am - 9:05 pmGRZ-IAD
21h 05m2 stops
$1,424Air Canada
Find Deal
Tue, Oct 14 - Wed, Oct 22
Austrian Airlines Logo
5:25 pm - 11:20 pmIAD-GRZ
23h 55m1 stop
Austrian Airlines Logo
11:25 am - 2:35 pmGRZ-IAD
33h 10m1 stop
$1,534Austrian Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
SWISS Logo
8:45 pm - 6:35 pmIAD-GRZ
15h 50m1 stop
SWISS Logo
6:45 pm - 4:15 pmGRZ-IAD
27h 30m1 stop
$1,572SWISS
Find Deal
Thu, Oct 16 - Wed, Oct 22
SWISS Logo
6:40 pm - 7:00 pmIAD-GRZ
18h 20m2 stops
SWISS Logo
10:40 am - 2:10 pmGRZ-IAD
33h 30m2 stops
$1,737SWISS
Find Deal
Wed, Oct 15 - Tue, Oct 21
Air Canada Logo
2:25 pm - 10:50 amIAD-GRZ
14h 25m2 stops
Air Canada Logo
6:00 am - 9:05 pmGRZ-IAD
21h 05m2 stops
$1,781Air Canada
Find Deal
Wed, Oct 15 - Tue, Oct 21
Austrian Airlines Logo
5:25 pm - 10:50 amIAD-GRZ
11h 25m1 stop
Austrian Airlines Logo
4:35 pm - 2:35 pmGRZ-IAD
28h 00m1 stop
$1,934Austrian Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20

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
Jan 22
IAD6:00 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
GRZ1:35 pmGraz Thalerhof
Jan 26
GRZ2:15 pmGraz Thalerhof
31h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,089
Find similar
Lufthansa
Jan 22
IAD6:00 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
GRZ1:35 pmGraz Thalerhof
Jan 26
GRZ3:05 pmGraz Thalerhof
30h 45m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
$1,097
Find similar
Lufthansa
Jan 22
IAD6:00 pmWashington, D.C. Dulles Intl
13h 45m
2 stops
GRZ1:45 pmGraz Thalerhof
Jan 26
GRZ6:10 amGraz Thalerhof
15h 40m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
$1,170
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Graz flight tickets
United Airlines
Jan 22
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
1 stop
GRZ1:35 pmGraz Thalerhof
Jan 26
GRZ6:05 amGraz Thalerhof
15h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,118
Find similar
United Airlines
Jan 22
IAD6:00 pmWashington, D.C. Dulles Intl
13h 35m
1 stop
GRZ1:35 pmGraz Thalerhof
Jan 26
GRZ6:05 amGraz Thalerhof
15h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,119
Find similar
United Airlines
Nov 8
IAD10:11 pmWashington, D.C. Dulles Intl
33h 24m
2 stops
GRZ1:35 pmGraz Thalerhof
Nov 15
GRZ6:05 amGraz Thalerhof
39h 25m
2 stops
IAD3:30 pmWashington, D.C. Dulles Intl
$1,212
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 September 24, 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 10/16

1:30 pm-3:55 pm

2 stops20h 25m

Graz Thalerhof

Mon 10/20

4:35 pm-11:45 am

2 stops25h 10m

$1,086

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

2:15 pm-3:50 pm

1 stop31h 35m

$1,089

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 1/22

5:15 pm-1:35 pm

1 stop14h 20m

Graz Thalerhof

Mon 1/26

6:05 am-3:50 pm

1 stop15h 45m

$1,118

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

$1,119

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Tue 10/14

10:20 am-12:35 pm

2 stops20h 15m

Graz Thalerhof

Wed 10/22

6:00 am-9:05 pm

2 stops21h 05m

$1,424

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Tue 10/14

5:25 pm-11:20 pm

1 stop23h 55m

Graz Thalerhof

Mon 10/20

11:25 am-2:35 pm

1 stop33h 10m

$1,534

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Thu 10/16

8:45 pm-6:35 pm

1 stop15h 50m

Graz Thalerhof

Wed 10/22

6:45 pm-4:15 pm

1 stop27h 30m

$1,572

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 10/15

6:40 pm-7:00 pm

2 stops18h 20m

Graz Thalerhof

Tue 10/21

10:40 am-2:10 pm

2 stops33h 30m

$1,737

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 10/15

2:25 pm-10:50 am

2 stops14h 25m

Graz Thalerhof

Tue 10/21

6:00 am-9:05 pm

2 stops21h 05m

$1,781

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Fri 10/17

5:25 pm-10:50 am

1 stop11h 25m

Graz Thalerhof

Mon 10/20

4:35 pm-2:35 pm

1 stop28h 00m

$1,934

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 59% 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

Direct flights

None
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.
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  • 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 25m.

  • 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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