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Klagenfurt

$714+ Cheap flights from Massachusetts to Klagenfurt (KLU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KLU
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Massachusetts to Klagenfurt

Keep the following information in mind while searching for Massachusetts to Klagenfurt flight deals. Data was last updated August 14, 2025.

Round-trip from

$714
(Kiwi.com)
From Massachusetts to Klagenfurt
Search Deals

Find flight deals from Massachusetts to Klagenfurt

Cheapest flights from Massachusetts to Klagenfurt
Explore the most affordable flight options available from Massachusetts to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:55 pmBOS - KLU
1 stop18h 05mMultiple Airlines
Sun 9/288:30 pmKLU - BOS
2 stops47h 18mMultiple Airlines
Deal found 8/14$714
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:05 pmBOS - KLU
3 stops24h 20mMultiple Airlines
Sun 9/289:10 pmKLU - BOS
2 stops24h 15mMultiple Airlines
Deal found 8/14$848
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:30 pmBOS - KLU
2 stops37h 30mAir Canada
Mon 9/295:45 amKLU - BOS
2 stops33h 45mAir Canada
Deal found 8/14$1,212
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 amBOS - KLU
2 stops26h 00mAir Canada
Sat 9/275:45 amKLU - BOS
2 stops21h 40mAir Canada
Deal found 8/14$1,272
This Austrian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:10 pmBOS - KLU
1 stop14h 50mAustrian Airlines
Mon 9/293:00 pmKLU - BOS
2 stops33h 56mAustrian Airlines
Deal found 8/14$1,315
This Austrian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:10 pmBOS - KLU
1 stop14h 50mAustrian Airlines
Sun 9/283:00 pmKLU - BOS
1 stop28h 50mAustrian Airlines
Deal found 8/14$1,365

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Klagenfurt that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Massachusetts to Klagenfurt that are best for you.

Fly from

Massachusetts

Fly to

Klagenfurt

Route

Depart

Return

Price

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Wed 9/24

9:55 pm-10:00 pm

1 stop18h 05m

Klagenfurt

Sun 9/28

8:30 pm-1:48 pm

2 stops47h 18m

$714

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sun 9/21

5:05 pm-11:25 pm

3 stops24h 20m

Klagenfurt

Sun 9/28

9:10 pm-3:25 pm

2 stops24h 15m

$848

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sat 9/20

6:30 pm-2:00 pm

2 stops37h 30m

Klagenfurt

Mon 9/29

5:45 am-9:30 am

2 stops33h 45m

$1,212

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sun 9/21

10:20 am-2:00 pm

2 stops21h 40m

Klagenfurt

Mon 9/29

5:45 am-9:30 am

2 stops33h 45m

$1,212

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sat 9/20

6:00 am-2:00 pm

2 stops26h 00m

Klagenfurt

Sat 9/27

5:45 am-9:25 pm

2 stops21h 40m

$1,272

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Sat 9/20

5:10 pm-2:00 pm

1 stop14h 50m

Klagenfurt

Mon 9/29

3:00 pm-6:56 pm

2 stops33h 56m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Massachusetts to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Klagenfurt
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Klagenfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Klagenfurt from Massachusetts?

    Klagenfurt (KLU) is the airport you will fly into if you book a flight from Massachusetts to Klagenfurt. It is only a 2.0 mi journey from Klagenfurt (KLU) to Klagenfurt’s city center.

  • Can I find deals for flights from Massachusetts to Klagenfurt that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Klagenfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Klagenfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Klagenfurt.

  • Can I find deals for business class flights from Massachusetts to Klagenfurt?

    Yes. Cheapflights offers flight deals from Massachusetts to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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