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.

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.

$872 Cheap Flights from Boston to Klagenfurt in 2025/26

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Find the cheapest flights from Boston to Klagenfurt

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 1:55 pmBOS-KLU

26h 40m2 stops

5:45 am - 9:52 amKLU-BOS

34h 07m2 stops

$882Air Canada

Find Deal

Fri, Mar 27 - Tue, Mar 31

7:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

3:00 pm - 1:50 pmKLU-BOS

28h 50m1 stop

$915Austrian Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

2:15 pm - 1:55 pmBOS-KLU

18h 40m2 stops

3:00 pm - 1:50 pmKLU-BOS

28h 50m1 stop

$920Austrian Airlines

Find Deal

Wed, Mar 25 - Sun, Mar 29

6:05 pm - 11:25 pmBOS-KLU

23h 20m2 stops

5:45 am - 8:10 pmKLU-BOS

20h 25m2 stops

$924Multiple Airlines

Find Deal

Tue, Nov 11 - Fri, Nov 21

7:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

5:45 am - 5:25 pmKLU-BOS

17h 40m2 stops

$925Austrian Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

9:40 pm - 1:55 pmBOS-KLU

11h 15m2 stops

3:00 pm - 4:00 pmKLU-BOS

55h 00m2 stops

$947Lufthansa

Find Deal

Wed, Mar 25 - Sun, Mar 29

3:40 pm - 1:55 pmBOS-KLU

16h 15m3 stops

5:45 am - 10:37 pmKLU-BOS

22h 52m2 stops

$1,114Multiple Airlines

Find Deal

Tue, Nov 11 - Fri, Nov 21

3:40 pm - 1:55 pmBOS-KLU

16h 15m3 stops

5:45 am - 7:12 pmKLU-BOS

19h 27m3 stops

$1,120Multiple Airlines

Find Deal

Tue, Nov 11 - Fri, Nov 21

6:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

5:45 am - 6:02 pmKLU-BOS

18h 17m2 stops

$1,133Multiple Airlines

Find Deal

Tue, Nov 11 - Fri, Nov 21

6:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

5:45 am - 2:05 pmKLU-BOS

14h 20m1 stop

$1,177Austrian Airlines

Find Deal

Tue, Nov 11 - Fri, Nov 21

Austrian Airlines flights from Boston to Klagenfurt

Our best Austrian Airlines deals on Boston to Klagenfurt flight tickets

Austrian Airlines

Mar 27

BOS7:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

Mar 31

KLU3:00 pmKlagenfurt

28h 50m

1 stop

BOS1:50 pmBoston Logan Intl

$915

Find similar

Austrian Airlines

Mar 25

BOS2:15 pmBoston Logan Intl

18h 40m

2 stops

KLU1:55 pmKlagenfurt

Mar 29

KLU3:00 pmKlagenfurt

28h 50m

1 stop

BOS1:50 pmBoston Logan Intl

$920

Find similar

Austrian Airlines

Mar 27

BOS7:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

Mar 31

KLU5:45 amKlagenfurt

17h 40m

2 stops

BOS5:25 pmBoston Logan Intl

$925

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Fri 3/27

6:15 am-1:55 pm

2 stops26h 40m

Klagenfurt

Tue 3/31

5:45 am-9:52 am

2 stops34h 07m

$882

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Fri 3/27

7:25 pm-1:55 pm

1 stop13h 30m

Klagenfurt

Tue 3/31

3:00 pm-1:50 pm

1 stop28h 50m

$915

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Wed 3/25

2:15 pm-1:55 pm

2 stops18h 40m

Klagenfurt

Sun 3/29

3:00 pm-1:50 pm

1 stop28h 50m

$920

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Tue 11/11

6:05 pm-11:25 pm

2 stops23h 20m

Klagenfurt

Fri 11/21

5:45 am-8:10 pm

2 stops20h 25m

$924

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Fri 3/27

7:25 pm-1:55 pm

1 stop13h 30m

Klagenfurt

Tue 3/31

5:45 am-5:25 pm

2 stops17h 40m

$925

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Wed 3/25

9:40 pm-1:55 pm

2 stops11h 15m

Klagenfurt

Sun 3/29

3:00 pm-4:00 pm

2 stops55h 00m

$947

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Tue 11/11

3:40 pm-1:55 pm

3 stops16h 15m

Klagenfurt

Fri 11/21

5:45 am-10:37 pm

2 stops22h 52m

$1,114

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Tue 11/11

3:40 pm-1:55 pm

3 stops16h 15m

Klagenfurt

Fri 11/21

5:45 am-7:12 pm

3 stops19h 27m

$1,120

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Tue 11/11

6:25 pm-1:55 pm

1 stop13h 30m

Klagenfurt

Fri 11/21

5:45 am-6:02 pm

2 stops18h 17m

$1,133

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Tue 11/11

6:25 pm-1:55 pm

1 stop13h 30m

Klagenfurt

Fri 11/21

5:45 am-2:05 pm

1 stop14h 20m

$1,177

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

Direct flights	None

There are no direct flights from Boston to Klagenfurt. There are no popular flight routes from Boston to Klagenfurt.

Search flight deals

How far is Boston Logan Intl to Klagenfurt by plane?
A flight from Boston Logan Intl to Klagenfurt will travel around 4000.6 mi. 11h 15m 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.

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.

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.