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.

$786 Cheap Flights from Klagenfurt to Boston in 2025/26

1 adult

0 bags

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Find the cheapest flights from Klagenfurt to Boston

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Cheap round-trip flights

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2:50 pm - 2:05 pmKLU-BOS

29h 15m1 stop

6:25 pm - 11:25 pmBOS-KLU

23h 00m1 stop

$786Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:50 pm - 2:05 pmKLU-BOS

29h 15m1 stop

6:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

$789Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

5:45 am - 1:25 pmKLU-BOS

37h 40m2 stops

8:40 pm - 11:25 pmBOS-KLU

20h 45m2 stops

$790Lufthansa

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:50 pm - 1:25 pmKLU-BOS

28h 35m2 stops

8:40 pm - 1:55 pmBOS-KLU

35h 15m2 stops

$793Lufthansa

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:50 pm - 5:22 pmKLU-BOS

32h 32m2 stops

6:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

$866Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

5:45 am - 5:22 pmKLU-BOS

17h 37m2 stops

6:25 pm - 11:25 pmBOS-KLU

23h 00m1 stop

$870Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

Austrian Airlines flights from Klagenfurt to Boston

Our best Austrian Airlines deals on Klagenfurt to Boston flight tickets

Austrian Airlines

Nov 6

KLU2:50 pmKlagenfurt

29h 15m

1 stop

BOS2:05 pmBoston Logan Intl

Nov 9

BOS6:25 pmBoston Logan Intl

23h 00m

1 stop

KLU11:25 pmKlagenfurt

$786

Find similar

Austrian Airlines

Nov 6

KLU2:50 pmKlagenfurt

29h 15m

1 stop

BOS2:05 pmBoston Logan Intl

Nov 9

BOS6:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

$789

Find similar

Austrian Airlines

Nov 6

KLU2:50 pmKlagenfurt

32h 32m

2 stops

BOS5:22 pmBoston Logan Intl

Nov 9

BOS6:25 pmBoston Logan Intl

13h 30m

1 stop

KLU1:55 pmKlagenfurt

$866

Find similar

Lufthansa flights from Klagenfurt to Boston

Our best Lufthansa deals on Klagenfurt to Boston flight tickets

Lufthansa

Nov 6

KLU5:45 amKlagenfurt

37h 40m

2 stops

BOS1:25 pmBoston Logan Intl

Nov 9

BOS8:40 pmBoston Logan Intl

20h 45m

2 stops

KLU11:25 pmKlagenfurt

$790

Find similar

Lufthansa

Nov 6

KLU2:50 pmKlagenfurt

28h 35m

2 stops

BOS1:25 pmBoston Logan Intl

Nov 9

BOS8:40 pmBoston Logan Intl

35h 15m

2 stops

KLU1:55 pmKlagenfurt

$793

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

2:50 pm-2:05 pm

1 stop29h 15m

Boston Logan Intl

Sun 11/9

6:25 pm-11:25 pm

1 stop23h 00m

$786

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

2:50 pm-2:05 pm

1 stop29h 15m

Boston Logan Intl

Sun 11/9

6:25 pm-1:55 pm

1 stop13h 30m

$789

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

5:45 am-1:25 pm

2 stops37h 40m

Boston Logan Intl

Sun 11/9

8:40 pm-11:25 pm

2 stops20h 45m

$790

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

2:50 pm-1:25 pm

2 stops28h 35m

Boston Logan Intl

Sun 11/9

8:40 pm-1:55 pm

2 stops35h 15m

$793

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

2:50 pm-5:22 pm

2 stops32h 32m

Boston Logan Intl

Sun 11/9

6:25 pm-1:55 pm

1 stop13h 30m

$866

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 11/6

5:45 am-5:22 pm

2 stops17h 37m

Boston Logan Intl

Sun 11/9

6:25 pm-11:25 pm

1 stop23h 00m

$870

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

Direct flights	None

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

Search flight deals

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 17h 37m.
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.

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

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Plymouth

Kennebunkport

Cambridge

South Yarmouth

Narragansett

Nashua

Gloucester

Brockton

Laconia

Falmouth

Concord

Everett

Chatham

Sturbridge

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.