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.

$805 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.

5:50 am - 10:40 pm

KLU

BOS

22h 50m

2 stops

10:40 am - 2:00 pm

BOS

KLU

21h 20m

2 stops

$805Air Canada

Fri, Oct 9 - Mon, Oct 12

5:50 am - 11:55 am

KLU

BOS

36h 05m

2 stops

6:50 pm - 2:00 pm

BOS

KLU

37h 10m

2 stops

$806Air Canada

Fri, Oct 9 - Mon, Oct 12

11:10 am - 8:10 pm

KLU

BOS

15h 00m

2 stops

8:05 pm - 2:00 pm

BOS

KLU

35h 55m

2 stops

$836Lufthansa

Thu, Jul 16 - Mon, Jul 20

11:10 am - 1:50 pm

KLU

BOS

32h 40m

1 stop

5:45 pm - 2:00 pm

BOS

KLU

14h 15m

2 stops

$975Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

3:00 pm - 6:50 pm

KLU

BOS

33h 50m

3 stops

8:50 pm - 2:00 pm

BOS

KLU

35h 10m

3 stops

$1,154Multiple Airlines

Tue, Jul 14 - Sat, Jul 18

3:00 pm - 1:50 pm

KLU

BOS

28h 50m

1 stop

6:00 am - 1:25 pm

BOS

KLU

25h 25m

2 stops

$1,173Multiple Airlines

Tue, Jul 14 - Sat, Jul 18

3:00 pm - 3:40 pm

KLU

BOS

30h 40m

2 stops

8:05 pm - 2:00 pm

BOS

KLU

35h 55m

2 stops

$1,181Lufthansa

Tue, Jul 14 - Sat, Jul 18

12:10 pm - 1:50 pm

KLU

BOS

31h 40m

2 stops

9:40 pm - 2:00 pm

BOS

KLU

34h 20m

3 stops

$1,274Multiple Airlines

Thu, Jul 16 - Mon, Jul 20

3:15 pm - 8:20 pm

KLU

BOS

35h 05m

3 stops

5:25 pm - 2:20 pm

BOS

KLU

14h 55m

2 stops

$1,422Multiple Airlines

Tue, Jul 14 - Sat, Jul 18

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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 9

KLU5:50 amKlagenfurt

22h 50m

2 stops

BOS10:40 pmBoston Logan Intl

Oct 12

BOS10:40 amBoston Logan Intl

21h 20m

2 stops

KLU2:00 pmKlagenfurt

$805

Air Canada

Oct 9

KLU5:50 amKlagenfurt

36h 05m

2 stops

BOS11:55 amBoston Logan Intl

Oct 12

BOS6:50 pmBoston Logan Intl

37h 10m

2 stops

KLU2:00 pmKlagenfurt

$806

Lufthansa flights from Klagenfurt to Boston

Our best Lufthansa deals on Klagenfurt to Boston flight tickets

Lufthansa

Jul 16

KLU11:10 amKlagenfurt

15h 00m

2 stops

BOS8:10 pmBoston Logan Intl

Jul 20

BOS8:05 pmBoston Logan Intl

35h 55m

2 stops

KLU2:00 pmKlagenfurt

$836

Lufthansa

Jul 14

KLU3:00 pmKlagenfurt

30h 40m

2 stops

BOS3:40 pmBoston Logan Intl

Jul 18

BOS8:05 pmBoston Logan Intl

35h 55m

2 stops

KLU2:00 pmKlagenfurt

$1,181

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Fri 10/9

5:50 am-10:40 pm

2 stops22h 50m

Boston Logan Intl

Mon 10/12

10:40 am-2:00 pm

2 stops21h 20m

$805

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Fri 10/9

5:50 am-11:55 am

2 stops36h 05m

Boston Logan Intl

Mon 10/12

6:50 pm-2:00 pm

2 stops37h 10m

$806

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 7/16

11:10 am-8:10 pm

2 stops15h 00m

Boston Logan Intl

Mon 7/20

8:05 pm-2:00 pm

2 stops35h 55m

$836

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 7/16

11:10 am-1:50 pm

1 stop32h 40m

Boston Logan Intl

Mon 7/20

5:45 pm-2:00 pm

2 stops14h 15m

$975

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Tue 7/14

3:00 pm-6:50 pm

3 stops33h 50m

Boston Logan Intl

Sat 7/18

8:50 pm-2:00 pm

3 stops35h 10m

$1,154

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Tue 7/14

3:00 pm-1:50 pm

1 stop28h 50m

Boston Logan Intl

Sat 7/18

6:00 am-1:25 pm

2 stops25h 25m

$1,173

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Tue 7/14

3:00 pm-3:40 pm

2 stops30h 40m

Boston Logan Intl

Sat 7/18

8:05 pm-2:00 pm

2 stops35h 55m

$1,181

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 7/16

12:10 pm-1:50 pm

2 stops31h 40m

Boston Logan Intl

Mon 7/20

9:40 pm-2:00 pm

3 stops34h 20m

$1,274

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Tue 7/14

3:15 pm-8:20 pm

3 stops35h 05m

Boston Logan Intl

Sat 7/18

5:25 pm-2:20 pm

2 stops14h 55m

$1,422

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

Fastest flight time	36h 30m
Direct flights	None

The fastest flight from Klagenfurt to Boston takes 36h 30m

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 36h 30m.
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

Salem

Ogunquit

Old Orchard Beach

Hampton

Cambridge

York Beach

Plymouth

Kennebunkport

South Yarmouth

Laconia

Revere

Gloucester

Warwick

Brockton

Falmouth

South Portland

Narragansett

Middletown

Chatham

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.