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.

1:57 pm - 11:25 pmBOS-KLU

28h 28m2 stops

3:00 pm - 1:50 pmKLU-BOS

28h 50m1 stop

$1,059Austrian Airlines

Find Deal

Wed, Mar 25 - Sun, Mar 29

7:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

5:45 am - 6:19 pmKLU-BOS

18h 34m2 stops

$1,074Austrian Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

7:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

5:45 am - 7:06 pmKLU-BOS

19h 21m2 stops

$1,075Austrian Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

9:40 pm - 1:55 pmBOS-KLU

11h 15m2 stops

3:00 pm - 3:55 pmKLU-BOS

54h 55m2 stops

$1,085Lufthansa

Find Deal

Wed, Mar 25 - Sun, Mar 29

10:45 am - 1:55 pmBOS-KLU

22h 10m2 stops

5:45 am - 9:27 pmKLU-BOS

21h 42m2 stops

$1,109Air Canada

Find Deal

Fri, Mar 27 - Tue, Mar 31

10:45 am - 1:55 pmBOS-KLU

22h 10m2 stops

5:45 am - 9:27 pmKLU-BOS

21h 42m2 stops

$1,110Air Canada

Find Deal

Fri, Mar 27 - Tue, Mar 31

Austrian Airlines flights from Boston to Klagenfurt

Our best Austrian Airlines deals on Boston to Klagenfurt flight tickets

Austrian Airlines

Mar 25

BOS1:57 pmBoston Logan Intl

28h 28m

2 stops

KLU11:25 pmKlagenfurt

Mar 29

KLU3:00 pmKlagenfurt

28h 50m

1 stop

BOS1:50 pmBoston Logan Intl

$1,059

Find similar

Austrian Airlines

Mar 27

BOS7:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

Mar 31

KLU5:45 amKlagenfurt

18h 34m

2 stops

BOS6:19 pmBoston Logan Intl

$1,074

Find similar

Austrian Airlines

Mar 27

BOS7:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

Mar 31

KLU5:45 amKlagenfurt

19h 21m

2 stops

BOS7:06 pmBoston Logan Intl

$1,075

Find similar

Air Canada flights from Boston to Klagenfurt

Our best Air Canada deals on Boston to Klagenfurt flight tickets

Air Canada

Mar 27

BOS10:45 amBoston Logan Intl

22h 10m

2 stops

KLU1:55 pmKlagenfurt

Mar 31

KLU5:45 amKlagenfurt

21h 42m

2 stops

BOS9:27 pmBoston Logan Intl

$1,109

Find similar

Air Canada

Mar 27

BOS10:45 amBoston Logan Intl

22h 10m

2 stops

KLU1:55 pmKlagenfurt

Mar 31

KLU5:45 amKlagenfurt

21h 42m

2 stops

BOS9:27 pmBoston Logan Intl

$1,110

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Wed 3/25

1:57 pm-11:25 pm

2 stops28h 28m

Klagenfurt

Sun 3/29

3:00 pm-1:50 pm

1 stop28h 50m

$1,059

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-6:19 pm

2 stops18h 34m

$1,074

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-7:06 pm

2 stops19h 21m

$1,075

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-3:55 pm

2 stops54h 55m

$1,085

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Fri 3/27

10:45 am-1:55 pm

2 stops22h 10m

Klagenfurt

Tue 3/31

5:45 am-9:27 pm

2 stops21h 42m

$1,109

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Fri 3/27

10:45 am-1:55 pm

2 stops22h 10m

Klagenfurt

Tue 3/31

5:45 am-9:27 pm

2 stops21h 42m

$1,110

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.