What is the cheapest flight from Klagenfurt to Boston?

In the last 3 days, the lowest price for a flight from Klagenfurt to Boston was $723 for a one-way ticket and $725 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Klagenfurt and Boston?

A passport is required to fly from Klagenfurt to Boston. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Klagenfurt to Boston?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Klagenfurt to Boston?

Star Alliance is the only airline alliance operating flights between Klagenfurt and Boston.

How does KAYAK find such low prices on flights from Klagenfurt to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Klagenfurt to Boston. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Klagenfurt to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Klagenfurt is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Klagenfurt to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Klagenfurt with another airline. Booking your flights between Klagenfurt and BOS can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Klagenfurt to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Klagenfurt up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$723 CHEAP FLIGHTS from Klagenfurt to Boston (KLU - BOS)

KLU - BOS

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Cheap Flights from Klagenfurt to Boston (KLU-BOS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Klagenfurt to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Klagenfurt to Boston

Sat, Nov 8 - Sun, Nov 16

2:50 pm - 2:05 pmKLU-BOS

29h 15m1 stop

6:25 pm - 1:55 pmBOS-KLU

13h 30m1 stop

$725Austrian Airlines

Find Deal

Sat, Nov 8 - Sun, Nov 16

5:45 am - 1:25 pmKLU-BOS

13h 40m2 stops

8:40 pm - 11:25 pmBOS-KLU

20h 45m2 stops

$729Lufthansa

Find Deal

Sun, Nov 9 - Wed, Nov 19

2:50 pm - 6:48 pmKLU-BOS

33h 58m2 stops

2:21 pm - 1:55 pmBOS-KLU

17h 34m2 stops

$731Austrian Airlines

Find Deal

Mon, Nov 10 - Tue, Nov 18

5:45 am - 7:12 pmKLU-BOS

19h 27m2 stops

6:40 pm - 1:55 pmBOS-KLU

37h 15m3 stops

$732Air Canada

Find Deal

Sun, Nov 9 - Mon, Nov 17

2:50 pm - 6:35 pmKLU-BOS

33h 45m2 stops

8:40 pm - 1:55 pmBOS-KLU

11h 15m2 stops

$742Lufthansa

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:50 pm - 2:05 pmKLU-BOS

29h 15m1 stop

6:25 pm - 11:25 pmBOS-KLU

23h 00m1 stop

$771Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

5:45 am - 9:52 amKLU-BOS

34h 07m2 stops

6:40 pm - 1:55 pmBOS-KLU

37h 15m2 stops

$772Air Canada

Find Deal

Thu, Nov 6 - Sun, Nov 9

5:45 am - 5:15 pmKLU-BOS

17h 30m2 stops

6:25 pm - 11:25 pmBOS-KLU

23h 00m1 stop

$777Austrian Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

5:45 am - 5:15 pmKLU-BOS

17h 30m2 stops

6:25 pm - 11:25 pmBOS-KLU

23h 00m1 stop

$778Austrian 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

$919Austrian Airlines

Find Deal

Useful Info

KAYAK's insights & trends for Klagenfurt to Boston flights

Get data-powered insights and trends into flights from Klagenfurt to Boston to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Klagenfurt to Boston?

In the past 3 days, the cheapest round-trip tickets from Klagenfurt to Boston were found on Austrian Airlines ($725) and Lufthansa ($729).

Find deals

Cheapest flight	$723

Flight from Klagenfurt to Boston

When to book flights from Klagenfurt to Boston

Are your dates flexible? Find out the best times to travel from Klagenfurt to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Klagenfurt to Boston?
In the last 3 days, the lowest price for a flight from Klagenfurt to Boston was $723 for a one-way ticket and $725 for a round-trip.
Do I need a passport to fly between Klagenfurt and Boston?
A passport is required to fly from Klagenfurt to Boston.
Which aircraft models fly most regularly from Klagenfurt to Boston?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Klagenfurt to Boston?
Star Alliance is the only airline alliance operating flights between Klagenfurt and Boston.
How does KAYAK find such low prices on flights from Klagenfurt to Boston?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Klagenfurt to Boston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Klagenfurt to Boston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Klagenfurt is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Klagenfurt to Boston?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Klagenfurt with another airline. Booking your flights between Klagenfurt and BOS can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Klagenfurt to Boston?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Klagenfurt up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Klagenfurt to Boston

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Klagenfurt (KLU)

Boston (BOS)

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KLU - BOS

$723 Find Cheap Flights from Klagenfurt to Boston

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

Cheap Flights from Klagenfurt to Boston (KLU-BOS)

Recent round-trip flight deals from Klagenfurt to Boston

Recent one-way flight deals from Klagenfurt to Boston

KAYAK's insights & trends for Klagenfurt to Boston flights

Get data-powered insights and trends into flights from Klagenfurt to Boston to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Klagenfurt to Boston?

In the past 3 days, the cheapest round-trip tickets from Klagenfurt to Boston were found on Austrian Airlines ($725) and Lufthansa ($729).

Good to know

When to book flights from Klagenfurt to Boston

FAQs for booking flights from Klagenfurt to Boston

What is the cheapest flight from Klagenfurt to Boston?

In the last 3 days, the lowest price for a flight from Klagenfurt to Boston was $723 for a one-way ticket and $725 for a round-trip.

Do I need a passport to fly between Klagenfurt and Boston?

A passport is required to fly from Klagenfurt to Boston.

Which aircraft models fly most regularly from Klagenfurt to Boston?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Klagenfurt to Boston?

Star Alliance is the only airline alliance operating flights between Klagenfurt and Boston.

How does KAYAK find such low prices on flights from Klagenfurt to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Klagenfurt to Boston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Klagenfurt to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Klagenfurt is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Klagenfurt to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Klagenfurt with another airline. Booking your flights between Klagenfurt and BOS can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Klagenfurt to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Klagenfurt up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Klagenfurt to Boston

Information on your arrival and departure airports

Cabin class types available on flights from Klagenfurt to Boston

Complete your trip to Boston with a hotel stay or car rental

Find direct flights to and from Klagenfurt and Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight