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

1 adult

0 bags

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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.

1:00 pm - 10:35 am

BOS

KLU

15h 35m2 stops

4:00 pm - 1:35 pm

KLU

BOS

51h 35m2 stops

$902Multiple Airlines

Sat, Feb 14 - Sat, Feb 21

1:00 pm - 10:35 am

BOS

KLU

15h 35m2 stops

4:00 pm - 2:05 pm

KLU

BOS

28h 05m1 stop

$1,018Multiple Airlines

Sat, Feb 14 - Sat, Feb 21

Fly from

Fly to

Route

Depart

Return

Price

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sat 2/14

1:00 pm-10:35 am

2 stops15h 35m

Klagenfurt

Sat 2/21

4:00 pm-1:35 pm

2 stops51h 35m

$902

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sat 2/14

1:00 pm-10:35 am

2 stops15h 35m

Klagenfurt

Sat 2/21

4:00 pm-2:05 pm

1 stop28h 05m

$1,018

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

Fastest flight time	15h 35m
Direct flights	None

The fastest flight from Boston to Klagenfurt takes 15h 35m

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

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How far is Boston Logan Intl to Klagenfurt by plane?
A flight from Boston Logan Intl to Klagenfurt will travel around 4000.6 mi. 15h 35m 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.