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Cheap flights from Boston to Graz from $945

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Graz departing on 9/12. 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

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Find the cheapest flights from Boston to Graz

Cheap round-trip flights

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Multiple Airlines Logo
4:45 pm - 9:45 amBOS  Boston Logan Intl-GRZ Graz Thalerhof
11h 00m1 stop Frankfurt am Main
Multiple Airlines Logo
6:00 am - 8:49 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
20h 49m2 stops Frankfurt am Main New York John F Kennedy Intl
$945Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
5:40 pm - 3:55 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
16h 15m2 stops Kastrup Copenhagen Vienna Intl
Multiple Airlines Logo
3:40 pm - 3:35 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
29h 55m2 stops Vienna Intl Kastrup Copenhagen
$1,049Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
8:05 pm - 12:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
10h 30m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
4:15 pm - 1:50 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
27h 35m1 stop Vienna Intl
$1,053Multiple Airlines
Sun, Sep 13 - Mon, Sep 21
United Airlines Logo
6:55 pm - 12:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
35h 40m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
United Airlines Logo
1:15 pm - 5:40 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
10h 25m1 stop Munich Franz Josef Strauss
$1,064United Airlines
Sat, Sep 19 - Fri, Oct 2
United Airlines Logo
6:55 pm - 4:10 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
39h 15m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 9:50 amGRZ  Graz Thalerhof-BOS Boston Logan Intl
33h 40m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$1,075United Airlines
Sat, Sep 19 - Fri, Oct 2
Air Canada Logo
12:30 pm - 12:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
18h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
Air Canada Logo
9:50 am - 9:26 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
17h 36m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$1,079Air Canada
Sun, Sep 13 - Mon, Sep 21
United Airlines Logo
4:55 pm - 12:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
37h 40m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 12:54 amGRZ  Graz Thalerhof-BOS Boston Logan Intl
24h 44m3 stops Frankfurt am Main Tampa Chicago O'Hare Intl
$1,082United Airlines
Sat, Sep 19 - Fri, Oct 2
Lufthansa Logo
8:05 pm - 3:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
13h 30m2 stops Munich Franz Josef Strauss Vienna Intl
Lufthansa Logo
7:00 pm - 3:40 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
26h 40m1 stop Frankfurt am Main
$1,087Lufthansa
Sun, Sep 13 - Mon, Sep 21
Multiple Airlines Logo
5:40 pm - 3:55 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
16h 15m2 stops Kastrup Copenhagen Vienna Intl
Multiple Airlines Logo
10:25 am - 3:35 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
35h 10m3 stops Frankfurt am Main Václav Havel Prague Kastrup Copenhagen
$1,112Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Lufthansa Logo
8:05 pm - 12:35 pmBOS  Boston Logan Intl-GRZ Graz Thalerhof
10h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
9:50 am - 5:40 pmGRZ  Graz Thalerhof-BOS Boston Logan Intl
13h 50m1 stop Munich Franz Josef Strauss
$1,167Lufthansa
Sat, Sep 12 - Sat, Sep 19

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Lufthansa flights from Boston to Graz

Our best Lufthansa deals on Boston to Graz flight tickets
Lufthansa
Sep 13
BOS8:05 pmBoston Logan Intl
13h 30m
2 stops
GRZ3:35 pmGraz Thalerhof
Sep 21
GRZ7:00 pmGraz Thalerhof
26h 40m
1 stop
BOS3:40 pmBoston Logan Intl
$1,087
Lufthansa
Sep 12
BOS8:05 pmBoston Logan Intl
10h 30m
1 stop
GRZ12:35 pmGraz Thalerhof
Sep 19
GRZ9:50 amGraz Thalerhof
13h 50m
1 stop
BOS5:40 pmBoston Logan Intl
$1,167

United Airlines flights from Boston to Graz

Our best United Airlines deals on Boston to Graz flight tickets
United Airlines
Sep 19
BOS6:55 pmBoston Logan Intl
35h 40m
2 stops
GRZ12:35 pmGraz Thalerhof
Oct 2
GRZ1:15 pmGraz Thalerhof
10h 25m
1 stop
BOS5:40 pmBoston Logan Intl
$1,064
United Airlines
Sep 19
BOS6:55 pmBoston Logan Intl
39h 15m
2 stops
GRZ4:10 pmGraz Thalerhof
Oct 2
GRZ6:10 amGraz Thalerhof
33h 40m
2 stops
BOS9:50 amBoston Logan Intl
$1,075
United Airlines
Sep 19
BOS4:55 pmBoston Logan Intl
37h 40m
2 stops
GRZ12:35 pmGraz Thalerhof
Oct 2
GRZ6:10 amGraz Thalerhof
24h 44m
3 stops
BOS12:54 amBoston Logan Intl
$1,082

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 7, 2026.
Use the filters below to find and compare flights from Boston to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/12

4:45 pm-9:45 am

1 stop11h 00m

Graz Thalerhof

Sat 9/19

6:00 am-8:49 pm

2 stops20h 49m

$945

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/12

5:40 pm-3:55 pm

2 stops16h 15m

Graz Thalerhof

Sat 9/19

3:40 pm-3:35 pm

2 stops29h 55m

$1,049

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sun 9/13

8:05 pm-12:35 pm

1 stop10h 30m

Graz Thalerhof

Mon 9/21

4:15 pm-1:50 pm

1 stop27h 35m

$1,053

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/19

6:55 pm-12:35 pm

2 stops35h 40m

Graz Thalerhof

Fri 10/2

1:15 pm-5:40 pm

1 stop10h 25m

$1,064

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/19

6:55 pm-4:10 pm

2 stops39h 15m

Graz Thalerhof

Fri 10/2

6:10 am-9:50 am

2 stops33h 40m

$1,075

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sun 9/13

12:30 pm-12:35 pm

2 stops18h 05m

Graz Thalerhof

Mon 9/21

9:50 am-9:26 pm

2 stops17h 36m

$1,079

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/19

4:55 pm-12:35 pm

2 stops37h 40m

Graz Thalerhof

Fri 10/2

6:10 am-12:54 am

3 stops24h 44m

$1,082

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sun 9/13

8:05 pm-3:35 pm

2 stops13h 30m

Graz Thalerhof

Mon 9/21

7:00 pm-3:40 pm

1 stop26h 40m

$1,087

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/12

5:40 pm-3:55 pm

2 stops16h 15m

Graz Thalerhof

Sat 9/19

10:25 am-3:35 pm

3 stops35h 10m

$1,112
Quickest round-trip

BostonGraz

BOS Boston Logan Intl - GRZ Graz Thalerhof

BOSGRZ

Boston Logan Intl

Sat 9/12

8:05 pm-12:35 pm

1 stop10h 30m

Graz Thalerhof

Sat 9/19

9:50 am-5:40 pm

1 stop13h 50m

$1,167

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Graz from

How to get the cheapest flight ticket from Boston 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, Scandinavian Airlines and Condor are the top three most popular airlines that fly to Graz from Boston according to our data. Austrian Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 11 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 Boston to Graz

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

Cheap Boston to Graz (BOS to GRZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Graz

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Boston to Graz takes 14h 05m
There are no direct flights from Boston to Graz. There are no popular flight routes from Boston to Graz.
Search flight deals

Frequently asked questions about flying from Boston to Graz

  • How far is Boston Logan Intl to Graz Thalerhof by plane?

    A flight from Boston Logan Intl to Graz Thalerhof will travel around 4032.3 mi. By plane, this route typically takes 14h 05m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Graz Thalerhof Airport?

    Prices for flights from Boston Logan Intl Airport to Graz Thalerhof Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Graz Thalerhof Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Graz Thalerhof Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport 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.

  • What is the most popular airline from Boston to Graz?

Best airlines flying from Boston to Graz

Compare and see reviews for airlines that fly from Boston to Graz with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $913Free CancellationRating
6.8
8,178 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Graz?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Graz for you.

Can I find flights from Boston to Graz with flexible booking policies on momondo?

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

How can momondo help me find flights from Boston to Graz?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Graz.

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

If you are not ready to book a flight from Boston to Graz now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Graz and let you know when they change.

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