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.

$724 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

Round-trip

One-way

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5:45 am - 9:32 am

KLU

BOS

32h 47m2 stops

5:30 am - 1:55 pm

BOS

KLU

27h 25m2 stops

$724Air Canada

Wed, Mar 18 - Sun, Mar 22

5:45 am - 7:12 pm

KLU

BOS

18h 27m2 stops

6:40 pm - 1:55 pm

BOS

KLU

38h 15m2 stops

$795Air Canada

Wed, Mar 18 - Sun, Mar 22

Air Canada flights from Klagenfurt to Boston

Our best Air Canada deals on Klagenfurt to Boston flight tickets

Air Canada

Mar 18

KLU5:45 amKlagenfurt

32h 47m

2 stops

BOS9:32 amBoston Logan Intl

Mar 22

BOS5:30 amBoston Logan Intl

27h 25m

2 stops

KLU1:55 pmKlagenfurt

$724

Find similar

Air Canada

Mar 18

KLU5:45 amKlagenfurt

18h 27m

2 stops

BOS7:12 pmBoston Logan Intl

Mar 22

BOS6:40 pmBoston Logan Intl

38h 15m

2 stops

KLU1:55 pmKlagenfurt

$795

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Wed 3/18

5:45 am-9:32 am

2 stops32h 47m

Boston Logan Intl

Sun 3/22

5:30 am-1:55 pm

2 stops27h 25m

$724

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Wed 3/18

5:45 am-7:12 pm

2 stops18h 27m

Boston Logan Intl

Sun 3/22

6:40 pm-1:55 pm

2 stops38h 15m

$795

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	28h 05m
Direct flights	None

The fastest flight from Klagenfurt to Boston takes 28h 05m

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 18h 27m.
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.

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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.