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Cheap flights from Washington, D.C. to Graz from $663

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. to Graz departing on 9/24. 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. to Graz

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 10:35 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
20h 05m3 stops Reykjavik Keflavik Intl London Heathrow Frankfurt am Main
Multiple Airlines Logo
2:55 pm - 7:20 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
34h 25m3 stops Frankfurt am Main London Heathrow Reykjavik Keflavik Intl
$1,121Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Lufthansa Logo
10:20 pm - 4:10 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
11h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:15 am - 1:35 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
13h 20m1 stop Frankfurt am Main
$1,126Lufthansa
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
3:45 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
14h 50m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:15 am - 4:05 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
15h 50m1 stop Frankfurt am Main
$1,137Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
9:55 am - 12:35 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
20h 40m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
7:15 pm - 7:00 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
29h 45m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$1,162Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
11:00 am - 12:35 pmDCA  Washington, D.C. Reagan-National-GRZ Graz Thalerhof
19h 35m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Multiple Airlines Logo
7:15 pm - 9:50 pmGRZ  Graz Thalerhof-DCA Washington, D.C. Reagan-National
32h 35m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$1,162Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
9:55 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
22h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
4:25 pm - 3:55 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
53h 30m2 stops Munich Franz Josef Strauss Frankfurt am Main
$1,165Multiple Airlines
Sun, Dec 27 - Sat, Jan 9
Air Canada Logo
9:40 am - 3:45 pmDCA  Washington, D.C. Reagan-National-GRZ Graz Thalerhof
24h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Air Canada Logo
10:20 am - 6:18 pmGRZ  Graz Thalerhof-DCA Washington, D.C. Reagan-National
37h 58m2 stops Frankfurt am Main Toronto Pearson Intl
$1,178Air Canada
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
8:10 pm - 9:55 amIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
31h 45m1 stop Zurich
Multiple Airlines Logo
4:25 pm - 3:55 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
53h 30m2 stops Munich Franz Josef Strauss Frankfurt am Main
$1,200Multiple Airlines
Sun, Dec 27 - Sat, Jan 9
Multiple Airlines Logo
8:30 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
30h 15m3 stops Reykjavik Keflavik Intl Manchester Zurich
Multiple Airlines Logo
8:40 pm - 3:10 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
24h 30m2 stops Hamburg Lisbon Humberto Delgado
$1,203Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
4:30 pm - 1:55 pmIAD  Washington, D.C. Dulles Intl-GRZ Graz Thalerhof
15h 25m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
4:25 pm - 3:55 pmGRZ  Graz Thalerhof-IAD Washington, D.C. Dulles Intl
53h 30m2 stops Munich Franz Josef Strauss Frankfurt am Main
$1,205Multiple Airlines
Sun, Dec 27 - Sat, Jan 9

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Lufthansa flights from Washington, D.C. to Graz

Our best Lufthansa deals on Washington, D.C. to Graz flight tickets
Lufthansa
Sep 20
IAD10:20 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
GRZ4:10 pmGraz Thalerhof
Sep 27
GRZ6:15 amGraz Thalerhof
13h 20m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$1,126
Lufthansa
Dec 27
IAD6:00 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
GRZ1:55 pmGraz Thalerhof
Jan 9
GRZ4:25 pmGraz Thalerhof
53h 30m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$1,241
Lufthansa
Sep 22
IAD10:20 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
GRZ4:10 pmGraz Thalerhof
Sep 29
GRZ6:15 amGraz Thalerhof
13h 20m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$1,556

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 9/20

8:30 pm-10:35 pm

3 stops20h 05m

Graz Thalerhof

Sun 9/27

2:55 pm-7:20 pm

3 stops34h 25m

$1,121
Quickest round-trip

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 9/20

10:20 pm-4:10 pm

1 stop11h 50m

Graz Thalerhof

Sun 9/27

6:15 am-1:35 pm

1 stop13h 20m

$1,126

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 9/20

3:45 pm-12:35 pm

2 stops14h 50m

Graz Thalerhof

Sun 9/27

6:15 am-4:05 pm

1 stop15h 50m

$1,137

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 9/20

9:55 am-12:35 pm

2 stops20h 40m

Graz Thalerhof

Sun 9/27

7:15 pm-7:00 pm

2 stops29h 45m

$1,162

Washington, D.C.Graz

DCA Washington, D.C. Reagan-National - GRZ Graz Thalerhof

DCAGRZ

Washington, D.C. Reagan-National

Sun 9/20

11:00 am-12:35 pm

2 stops19h 35m

Graz Thalerhof

Sun 9/27

7:15 pm-9:50 pm

2 stops32h 35m

$1,162

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 12/27

9:55 am-1:55 pm

2 stops22h 00m

Graz Thalerhof

Sat 1/9

4:25 pm-3:55 pm

2 stops53h 30m

$1,165

Washington, D.C.Graz

DCA Washington, D.C. Reagan-National - GRZ Graz Thalerhof

DCAGRZ

Washington, D.C. Reagan-National

Wed 11/18

9:40 am-3:45 pm

2 stops24h 05m

Graz Thalerhof

Sun 11/22

10:20 am-6:18 pm

2 stops37h 58m

$1,178

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 12/27

8:10 pm-9:55 am

1 stop31h 45m

Graz Thalerhof

Sat 1/9

4:25 pm-3:55 pm

2 stops53h 30m

$1,200

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 9/20

8:30 pm-8:45 am

3 stops30h 15m

Graz Thalerhof

Sun 9/27

8:40 pm-3:10 pm

2 stops24h 30m

$1,203

Washington, D.C.Graz

IAD Washington, D.C. Dulles Intl - GRZ Graz Thalerhof

IADGRZ

Washington, D.C. Dulles Intl

Sun 12/27

4:30 pm-1:55 pm

2 stops15h 25m

Graz Thalerhof

Sat 1/9

4:25 pm-3:55 pm

2 stops53h 30m

$1,205

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. 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. to Graz Thalerhof?

SWISS and Air Canada are the most popular carriers operating from Washington, D.C. to Graz Thalerhof

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. according to our data. Austrian Airlines is the first choice among our users, with 51% 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. to Graz

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Graz (WAS to GRZ) flight deals and tips

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

Fastest flight time

11h 50m

Direct flights

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

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

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

    There are 4425.6 mi between Washington, D.C. and Graz Thalerhof. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The required travel and health documents for your Graz Thalerhof Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Graz Thalerhof Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Graz. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Graz flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Graz from Washington, D.C..

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

Price alerts on flights to Graz from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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