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Cheap Flights from Boston to Klagenfurt

Compare Boston to Klagenfurt flight deals

Find the cheapest month or even day of the year to fly to Klagenfurt

Book the best Klagenfurt fare with no extra fees

Flight deals from Boston to Klagenfurt

Looking for a cheap last-minute deal or the best return flight from Boston to Klagenfurt? Find the lowest prices on one-way and return tickets right here.
Map with a flight path from Boston to Klagenfurt. A plane icon is halfway along the route with a label that says "1+ stops".
1+ stops

Your route at a glance

Cheapest dealR 26,119
Cheapest monthJune

Find the cheapest month to fly from Boston to Klagenfurt

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Klagenfurt flights are currently cheapest in January.
Dec
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Jan
from R 5,026
Feb
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Mar
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Apr
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May
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Jun
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Jul
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Nov
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Boston to Klagenfurt: Alternative routes

Compare routes from Boston to Klagenfurt below. You may find an airport to fly into that's cheaper, faster, or easier than Klagenfurt.

Finding cheap flights from Boston to Klagenfurt: Frequently asked questions

The best price we found for a return flight from Boston to Klagenfurt is R 26,119. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston to Klagenfurt. But we found flights with one stop from R 26,119.
As of December 2025, there are no flights flying from Boston to Klagenfurt.
The cheapest month to fly from Boston to Klagenfurt is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Klagenfurt Airport on Saturday, 20 June 2026.
No airlines currently offer direct flights between Boston and Klagenfurt Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Klagenfurt but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Klagenfurt is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Klagenfurt is SWISS .

How to find cheap flights to Klagenfurt from Boston

Looking for cheap tickets from Boston to Klagenfurt? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston to Klagenfurt. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Klagenfurt from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Boston-Klagenfurt ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Klagenfurt from Boston.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston-Klagenfurt flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Boston and Klagenfurt? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Boston and Klagenfurt. We scour the internet for the best Business, Premium Economy and First Class flight fares to Klagenfurt, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston to Klagenfurt flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Klagenfurt from Boston with hotels and car hire

    Once you've secured your cheap flight ticket from Boston to Klagenfurt, discover the best prices and exclusive rates for hotels in Klagenfurt or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Boston to Klagenfurt

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.