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Cheap flights from Boston to Klagenfurt from $1,094

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Klagenfurt

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
19h 05m2 stops Chicago O'Hare Intl Vienna Intl
Multiple Airlines Logo
11:40 am - 1:30 pmKLU  Klagenfurt-BOS Boston Logan Intl
31h 50m1 stop Vienna Intl
$1,094Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
5:05 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
12h 25m2 stops Frankfurt am Main Vienna Intl
Multiple Airlines Logo
11:40 am - 5:27 pmKLU  Klagenfurt-BOS Boston Logan Intl
35h 47m2 stops Vienna Intl Newark
$1,126Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
11:55 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
17h 35m2 stops Chicago O'Hare Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 1:45 pmKLU  Klagenfurt-BOS Boston Logan Intl
56h 30m2 stops Vienna Intl Frankfurt am Main
$1,163Multiple Airlines
Thu, Oct 29 - Sun, Nov 1
Austrian Airlines Logo
10:30 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
19h 00m3 stops Newark Montreal Pierre Elliott Trudeau Intl Vienna Intl
Austrian Airlines Logo
11:40 am - 6:57 pmKLU  Klagenfurt-BOS Boston Logan Intl
37h 17m2 stops Vienna Intl Washington, D.C. Dulles Intl
$1,616Austrian Airlines
Thu, Oct 29 - Mon, Nov 2
Austrian Airlines Logo
12:00 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
17h 30m3 stops Newark Montreal Pierre Elliott Trudeau Intl Vienna Intl
Austrian Airlines Logo
11:15 am - 5:44 pmKLU  Klagenfurt-BOS Boston Logan Intl
36h 29m2 stops Vienna Intl Newark
$1,686Austrian Airlines
Thu, Oct 29 - Sun, Nov 1
Multiple Airlines Logo
11:10 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
30h 20m3 stops Lisbon Humberto Delgado Munich Franz Josef Strauss Vienna Intl
Multiple Airlines Logo
12:25 pm - 2:45 pmKLU  Klagenfurt-BOS Boston Logan Intl
32h 20m3 stops Cologne Köln/Bonn Zurich Lisbon Humberto Delgado
$1,728Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
9:40 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
31h 50m2 stops Munich Franz Josef Strauss Vienna Intl
Multiple Airlines Logo
11:40 am - 1:30 pmKLU  Klagenfurt-BOS Boston Logan Intl
31h 50m1 stop Vienna Intl
$1,817Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
6:35 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
34h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:40 am - 5:58 pmKLU  Klagenfurt-BOS Boston Logan Intl
36h 18m2 stops Vienna Intl Toronto Pearson Intl
$1,891Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
5:45 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
23h 45m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
12:25 pm - 2:45 pmKLU  Klagenfurt-BOS Boston Logan Intl
32h 20m3 stops Cologne Köln/Bonn Zurich Lisbon Humberto Delgado
$1,935Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
5:45 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
23h 45m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 2:40 pmKLU  Klagenfurt-BOS Boston Logan Intl
33h 25m3 stops Vienna Intl Luxembourg Lisbon Humberto Delgado
$2,030Multiple Airlines
Thu, Oct 29 - Sun, Nov 1

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Austrian Airlines flights from Boston to Klagenfurt

Our best Austrian Airlines deals on Boston to Klagenfurt flight tickets
Austrian Airlines
Oct 29
BOS10:30 amBoston Logan Intl
19h 00m
3 stops
KLU10:30 amKlagenfurt
Nov 2
KLU11:40 amKlagenfurt
37h 17m
2 stops
BOS6:57 pmBoston Logan Intl
$1,616
Austrian Airlines
Oct 29
BOS12:00 pmBoston Logan Intl
17h 30m
3 stops
KLU10:30 amKlagenfurt
Nov 1
KLU11:15 amKlagenfurt
36h 29m
2 stops
BOS5:44 pmBoston Logan Intl
$1,686

momondo Fare Finder

 
Use the filters below to find and compare flights from Boston to Klagenfurt that are best for you.

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Route

Depart

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Price

Cheapest round-trip

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

10:25 am-10:30 am

2 stops19h 05m

Klagenfurt

Mon 11/2

11:40 am-1:30 pm

1 stop31h 50m

$1,094
Quickest round-trip

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

5:05 pm-10:30 am

2 stops12h 25m

Klagenfurt

Mon 11/2

11:40 am-5:27 pm

2 stops35h 47m

$1,126

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

11:55 am-10:30 am

2 stops17h 35m

Klagenfurt

Sun 11/1

11:15 am-1:45 pm

2 stops56h 30m

$1,163

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

10:30 am-10:30 am

3 stops19h 00m

Klagenfurt

Mon 11/2

11:40 am-6:57 pm

2 stops37h 17m

$1,616

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

12:00 pm-10:30 am

3 stops17h 30m

Klagenfurt

Sun 11/1

11:15 am-5:44 pm

2 stops36h 29m

$1,686

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Fri 10/30

11:10 pm-10:30 am

3 stops30h 20m

Klagenfurt

Mon 11/2

12:25 pm-2:45 pm

3 stops32h 20m

$1,728

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Fri 10/30

9:40 pm-10:30 am

2 stops31h 50m

Klagenfurt

Mon 11/2

11:40 am-1:30 pm

1 stop31h 50m

$1,817

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Fri 10/30

6:35 pm-10:30 am

2 stops34h 55m

Klagenfurt

Mon 11/2

11:40 am-5:58 pm

2 stops36h 18m

$1,891

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

5:45 am-10:30 am

3 stops23h 45m

Klagenfurt

Mon 11/2

12:25 pm-2:45 pm

3 stops32h 20m

$1,935

BostonKlagenfurt

BOS Boston Logan Intl - KLU Klagenfurt

BOSKLU

Boston Logan Intl

Thu 10/29

5:45 am-10:30 am

3 stops23h 45m

Klagenfurt

Sun 11/1

11:15 am-2:40 pm

3 stops33h 25m

$2,030

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boston to Klagenfurt

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

Cheap Boston to Klagenfurt (BOS to KLU) flight deals and tips

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

Best Price Found

$1,094

Fastest flight time

19h 05m

Direct flights

None
The best flight deal from Boston to Klagenfurt found on momondo in the last 72 hours is $1,094
The fastest flight from Boston to Klagenfurt takes 19h 05m
There are no direct flights from Boston to Klagenfurt. There are no popular flight routes from Boston to Klagenfurt.
Search flight deals

Frequently asked questions about flying from Boston to Klagenfurt

  • How far is Boston Logan Intl to Klagenfurt by plane?

    A flight from Boston Logan Intl to Klagenfurt will travel around 4000.6 mi. 19h 05m is a normal flight duration for this route.

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

    Prices for flights from Boston Logan Intl Airport to Klagenfurt Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Klagenfurt Airport.

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

    The necessary travel and health documents for your Klagenfurt Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Boston to Klagenfurt

  • How do I get Price Alerts for flights from Boston to Klagenfurt?

    Price Alerts will notify you by email when the price for flights to Klagenfurt from Boston decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Boston to Klagenfurt with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Klagenfurt?

Book flights to Klagenfurt if you plan to visit one of these locations
Bad Kleinkirchheim

Why use momondo?

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

It is quick and easy to find Boston to Klagenfurt flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Klagenfurt that suits you.

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

Yes. momondo allows you to filter the results for Boston to Klagenfurt flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Boston and Klagenfurt by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Boston to Klagenfurt flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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