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Cheap flights from Washington, D.C. Dulles Intl Airport to Graz from $299

This is the cheapest one-way 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 Graz departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Graz

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:15 pm - 6:00 pm
IAD
-
GRZ
22h 45m
3 stops
Multiple Airlines Logo
1:15 pm - 11:30 am
GRZ
-
IAD
28h 15m
3 stops
$962Multiple Airlines
Wed, Sep 16 - Tue, Sep 22
SWISS Logo
8:20 pm - 3:55 pm
IAD
-
GRZ
13h 35m
2 stops
SWISS Logo
10:50 am - 4:45 pm
GRZ
-
IAD
11h 55m
1 stop
$1,051SWISS
Mon, Sep 7 - Wed, Sep 16
Lufthansa Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m
1 stop
Lufthansa Logo
6:00 am - 4:05 pm
GRZ
-
IAD
16h 05m
1 stop
$1,063Lufthansa
Mon, Sep 7 - Wed, Sep 16
Lufthansa Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m
1 stop
Lufthansa Logo
1:15 pm - 7:25 pm
GRZ
-
IAD
12h 10m
1 stop
$1,071Lufthansa
Wed, Sep 16 - Tue, Sep 22
Lufthansa Logo
5:55 pm - 2:00 pm
IAD
-
GRZ
14h 05m
1 stop
Lufthansa Logo
10:25 am - 9:08 pm
GRZ
-
IAD
16h 43m
2 stops
$1,085Lufthansa
Wed, Sep 16 - Tue, Sep 22
Multiple Airlines Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m
1 stop
Multiple Airlines Logo
4:15 pm - 2:00 pm
GRZ
-
IAD
27h 45m
1 stop
$1,096Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
United Airlines Logo
1:05 pm - 12:35 pm
IAD
-
GRZ
17h 30m
2 stops
United Airlines Logo
1:15 pm - 9:08 pm
GRZ
-
IAD
13h 53m
2 stops
$1,103United Airlines
Wed, Sep 16 - Tue, Sep 22
Lufthansa Logo
10:20 pm - 4:10 pm
IAD
-
GRZ
11h 50m
1 stop
Lufthansa Logo
9:50 am - 1:35 pm
GRZ
-
IAD
33h 45m
2 stops
$1,104Lufthansa
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
1:15 pm - 5:15 pm
IAD
-
GRZ
22h 00m
2 stops
Multiple Airlines Logo
2:45 pm - 7:45 pm
GRZ
-
IAD
35h 00m
3 stops
$1,119Multiple Airlines
Wed, Sep 16 - Tue, Sep 22
Multiple Airlines Logo
8:20 pm - 3:55 pm
IAD
-
GRZ
13h 35m
2 stops
Multiple Airlines Logo
4:15 pm - 7:00 pm
GRZ
-
IAD
32h 45m
2 stops
$1,134Multiple Airlines
Mon, Sep 7 - Wed, Sep 16

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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
Sep 7
IAD10:20 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
GRZ4:10 pmGraz Thalerhof
Sep 16
GRZ6:00 amGraz Thalerhof
16h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$1,063
Lufthansa
Sep 16
IAD10:20 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
GRZ4:10 pmGraz Thalerhof
Sep 22
GRZ1:15 pmGraz Thalerhof
12h 10m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$1,071
Lufthansa
Sep 16
IAD5:55 pmWashington, D.C. Dulles Intl
14h 05m
1 stop
GRZ2:00 pmGraz Thalerhof
Sep 22
GRZ10:25 amGraz Thalerhof
16h 43m
2 stops
IAD9:08 pmWashington, D.C. Dulles Intl
$1,085

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 July 27, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 9/16

1:15 pm-6:00 pm

3 stops22h 45m

Graz Thalerhof

Tue 9/22

1:15 pm-11:30 am

3 stops28h 15m

$962

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 9/7

8:20 pm-3:55 pm

2 stops13h 35m

Graz Thalerhof

Wed 9/16

10:50 am-4:45 pm

1 stop11h 55m

$1,051

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 9/7

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Wed 9/16

6:00 am-4:05 pm

1 stop16h 05m

$1,063
Quickest round-trip

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 9/16

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Tue 9/22

1:15 pm-7:25 pm

1 stop12h 10m

$1,071

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 9/16

5:55 pm-2:00 pm

1 stop14h 05m

Graz Thalerhof

Tue 9/22

10:25 am-9:08 pm

2 stops16h 43m

$1,085

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 9/7

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Mon 9/14

4:15 pm-2:00 pm

1 stop27h 45m

$1,096

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 9/16

1:05 pm-12:35 pm

2 stops17h 30m

Graz Thalerhof

Tue 9/22

1:15 pm-9:08 pm

2 stops13h 53m

$1,103

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 9/7

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Mon 9/14

9:50 am-1:35 pm

2 stops33h 45m

$1,104

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Wed 9/16

1:15 pm-5:15 pm

2 stops22h 00m

Graz Thalerhof

Tue 9/22

2:45 pm-7:45 pm

3 stops35h 00m

$1,119

Washington, D.C.Graz

IAD - GRZ

IADGRZ

Washington, D.C. Dulles Intl

Mon 9/7

8:20 pm-3:55 pm

2 stops13h 35m

Graz Thalerhof

Wed 9/16

4:15 pm-7:00 pm

2 stops32h 45m

$1,134

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Graz 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 is the cheapest airline that flies from Washington, D.C. Dulles Intl to Graz Thalerhof?

United Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Graz Thalerhof

What airlines fly to Graz?

Austrian Airlines, Turkish Airlines and United 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 53% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 7 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

22h 45m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Graz takes 22h 45m
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Graz

  • 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 22h 45m.

  • 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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