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

Confirm your travel details to search for the latest offers for flights from Klagenfurt to Boston . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from Klagenfurt Airport to Boston Logan Intl Airport are updated daily.

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

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The necessary travel and health documents for your Boston Logan Intl 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.

$714 Cheap Flights from Klagenfurt to Boston in 2026

Find the cheapest flights from Klagenfurt to Boston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 1:30 pmKLU Klagenfurt-BOS Boston Logan Intl

31h 50m1 stop Vienna Intl

6:55 pm - 10:55 amBOS Boston Logan Intl-KLU Klagenfurt

10h 00m1 stop Vienna Intl

$714Austrian Airlines

Thu, Nov 19 - Sun, Nov 22

11:40 am - 1:45 pmKLU Klagenfurt-BOS Boston Logan Intl

32h 05m2 stops Vienna Intl Frankfurt am Main

6:55 pm - 10:55 amBOS Boston Logan Intl-KLU Klagenfurt

10h 00m1 stop Vienna Intl

$717Multiple Airlines

Thu, Nov 19 - Sun, Nov 22

11:40 am - 1:45 pmKLU Klagenfurt-BOS Boston Logan Intl

32h 05m2 stops Vienna Intl Frankfurt am Main

8:40 pm - 10:30 amBOS Boston Logan Intl-KLU Klagenfurt

31h 50m2 stops Munich Franz Josef Strauss Vienna Intl

$718Lufthansa

Thu, Nov 19 - Sun, Nov 22

11:40 am - 1:30 pmKLU Klagenfurt-BOS Boston Logan Intl

31h 50m1 stop Vienna Intl

6:55 pm - 10:55 amBOS Boston Logan Intl-KLU Klagenfurt

10h 00m1 stop Vienna Intl

$719Austrian Airlines

Thu, Nov 19 - Sun, Nov 22

11:40 am - 1:45 pmKLU Klagenfurt-BOS Boston Logan Intl

32h 05m2 stops Vienna Intl Frankfurt am Main

8:40 pm - 10:30 amBOS Boston Logan Intl-KLU Klagenfurt

31h 50m2 stops Munich Franz Josef Strauss Vienna Intl

$721Lufthansa

Thu, Nov 19 - Sun, Nov 22

5:50 am - 11:55 amKLU Klagenfurt-BOS Boston Logan Intl

36h 05m2 stops Vienna Intl Toronto Pearson Intl

5:50 am - 2:00 pmBOS Boston Logan Intl-KLU Klagenfurt

26h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

$731Air Canada

Thu, Oct 8 - Mon, Oct 12

5:50 am - 10:40 pmKLU Klagenfurt-BOS Boston Logan Intl

22h 50m2 stops Vienna Intl Toronto Pearson Intl

5:50 am - 2:00 pmBOS Boston Logan Intl-KLU Klagenfurt

26h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

$732Air Canada

Thu, Oct 8 - Mon, Oct 12

5:50 am - 9:26 pmKLU Klagenfurt-BOS Boston Logan Intl

21h 36m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

5:50 am - 2:00 pmBOS Boston Logan Intl-KLU Klagenfurt

26h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

$770Air Canada

Thu, Oct 8 - Mon, Oct 12

5:50 am - 9:26 pmKLU Klagenfurt-BOS Boston Logan Intl

21h 36m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

5:50 am - 2:00 pmBOS Boston Logan Intl-KLU Klagenfurt

26h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

$773Air Canada

Thu, Oct 8 - Mon, Oct 12

3:00 pm - 7:19 pmKLU Klagenfurt-BOS Boston Logan Intl

34h 19m2 stops Vienna Intl Washington, D.C. Dulles Intl

5:10 pm - 2:00 pmBOS Boston Logan Intl-KLU Klagenfurt

14h 50m1 stop Vienna Intl

$821Austrian Airlines

Fri, Sep 4 - Tue, Sep 8

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Air Canada flights from Klagenfurt to Boston

Our best Air Canada deals on Klagenfurt to Boston flight tickets

Air Canada

Oct 8

KLU5:50 amKlagenfurt

36h 05m

2 stops

BOS11:55 amBoston Logan Intl

Oct 12

BOS5:50 amBoston Logan Intl

26h 10m

2 stops

KLU2:00 pmKlagenfurt

$731

Air Canada

Oct 8

KLU5:50 amKlagenfurt

22h 50m

2 stops

BOS10:40 pmBoston Logan Intl

Oct 12

BOS5:50 amBoston Logan Intl

26h 10m

2 stops

KLU2:00 pmKlagenfurt

$732

Air Canada

Oct 8

KLU5:50 amKlagenfurt

21h 36m

2 stops

BOS9:26 pmBoston Logan Intl

Oct 12

BOS5:50 amBoston Logan Intl

26h 10m

2 stops

KLU2:00 pmKlagenfurt

$770

Austrian Airlines flights from Klagenfurt to Boston

Our best Austrian Airlines deals on Klagenfurt to Boston flight tickets

Austrian Airlines

Nov 19

KLU11:40 amKlagenfurt

31h 50m

1 stop

BOS1:30 pmBoston Logan Intl

Nov 22

BOS6:55 pmBoston Logan Intl

10h 00m

1 stop

KLU10:55 amKlagenfurt

$714

Austrian Airlines

Nov 19

KLU11:40 amKlagenfurt

31h 50m

1 stop

BOS1:30 pmBoston Logan Intl

Nov 22

BOS6:55 pmBoston Logan Intl

10h 00m

1 stop

KLU10:55 amKlagenfurt

$719

Austrian Airlines

Sep 4

KLU3:00 pmKlagenfurt

34h 19m

2 stops

BOS7:19 pmBoston Logan Intl

Sep 8

BOS5:10 pmBoston Logan Intl

14h 50m

1 stop

KLU2:00 pmKlagenfurt

$821

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 11/19

11:40 am-1:30 pm

1 stop31h 50m

Boston Logan Intl

Sun 11/22

6:55 pm-10:55 am

1 stop10h 00m

$714

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 11/19

11:40 am-1:45 pm

2 stops32h 05m

Boston Logan Intl

Sun 11/22

6:55 pm-10:55 am

1 stop10h 00m

$717

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 11/19

11:40 am-1:45 pm

2 stops32h 05m

Boston Logan Intl

Sun 11/22

8:40 pm-10:30 am

2 stops31h 50m

$718

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 11/19

11:40 am-1:30 pm

1 stop31h 50m

Boston Logan Intl

Sun 11/22

6:55 pm-10:55 am

1 stop10h 00m

$719

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 11/19

11:40 am-1:45 pm

2 stops32h 05m

Boston Logan Intl

Sun 11/22

8:40 pm-10:30 am

2 stops31h 50m

$721

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 10/8

5:50 am-11:55 am

2 stops36h 05m

Boston Logan Intl

Mon 10/12

5:50 am-2:00 pm

2 stops26h 10m

$731

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 10/8

5:50 am-10:40 pm

2 stops22h 50m

Boston Logan Intl

Mon 10/12

5:50 am-2:00 pm

2 stops26h 10m

$732

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 10/8

5:50 am-9:26 pm

2 stops21h 36m

Boston Logan Intl

Mon 10/12

5:50 am-2:00 pm

2 stops26h 10m

$770

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Thu 10/8

5:50 am-9:26 pm

2 stops21h 36m

Boston Logan Intl

Mon 10/12

5:50 am-2:00 pm

2 stops26h 10m

$773

KlagenfurtBoston

KLU Klagenfurt - BOS Boston Logan Intl

KLUBOS

Klagenfurt

Fri 9/4

3:00 pm-7:19 pm

2 stops34h 19m

Boston Logan Intl

Tue 9/8

5:10 pm-2:00 pm

1 stop14h 50m

$821

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Klagenfurt to Boston

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

Estimated round-trip price

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

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

Best Price Found	$714
Fastest flight time	32h 05m
Direct flights	None

The best flight deal from Klagenfurt to Boston found on momondo in the last 72 hours is $714

The fastest flight from Klagenfurt to Boston takes 32h 05m

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

Search flight deals

Frequently asked questions about flying from Klagenfurt to Boston

How far is Klagenfurt to Boston Logan Intl by plane?
The straight-line distance from Klagenfurt to Boston Logan Intl is 4000.6 mi. A reasonable flight in good conditions will take 32h 05m.
When did momondo last update prices for flights from Klagenfurt Airport to Boston Logan Intl Airport?
Prices for flights from Klagenfurt Airport to Boston Logan Intl Airport are updated daily.
How old do you have to be to fly from Klagenfurt Airport to Boston Logan Intl 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 Klagenfurt Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The necessary travel and health documents for your Boston Logan Intl 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 Klagenfurt to Boston

How do I get Price Alerts for flights from Klagenfurt to Boston?
Confirm your travel details to search for the latest offers for flights from Klagenfurt to Boston. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Klagenfurt to Boston with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Hampton Beach

Ogunquit

Salem

Old Orchard Beach

Laconia

Cambridge

Hampton

South Yarmouth

Plymouth

Revere

Middletown

Gloucester

Warwick

Kennebunkport

Everett

South Portland

Brockton

York Beach

Seekonk

Nashua

Why use momondo?

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

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 Klagenfurt to Boston for you.

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

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

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

Once you have performed a search for Klagenfurt to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Klagenfurt to Boston 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.