BOS - KLU

$451 Find Cheap Flights from Boston to Klagenfurt - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,321
Typical prices: $1,497-$1,521
Multiple Airlines
Fri 11/23Thu 11/29
BOS - KLU • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Boston and Klagenfurt. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from Boston to Klagenfurt (BOS-KLU)

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

Recent round-trip flight deals from Boston to Klagenfurt

Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
9:20 pm - 10:55 amBOS  Boston Logan Intl-KLU Klagenfurt
31h 35m3 stops Dublin Amsterdam Schiphol Vienna Intl
Multiple Airlines Logo
11:15 am - 2:40 pmKLU  Klagenfurt-BOS Boston Logan Intl
33h 25m3 stops Vienna Intl Barcelona-El Prat Lisbon Humberto Delgado
$1,321Multiple Airlines
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
10:40 am - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
17h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 2:40 pmKLU  Klagenfurt-BOS Boston Logan Intl
33h 25m3 stops Vienna Intl Rome Fiumicino Lisbon Humberto Delgado
$1,626Multiple Airlines
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
3:10 pm - 10:30 amBOS  Boston Logan Intl-KLU Klagenfurt
13h 20m2 stops Toronto Pearson Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 6:35 pmKLU  Klagenfurt-BOS Boston Logan Intl
13h 20m2 stops Vienna Intl Munich Franz Josef Strauss
$2,114Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
Lufthansa Logo
8:05 pm - 2:00 pmBOS  Boston Logan Intl-KLU Klagenfurt
11h 55m2 stops Munich Franz Josef Strauss Vienna Intl
Lufthansa Logo
3:00 pm - 5:40 pmKLU  Klagenfurt-BOS Boston Logan Intl
32h 40m2 stops Vienna Intl Munich Franz Josef Strauss
$2,297Lufthansa
Booking Insights

Price, demand and travel trends for Boston to Klagenfurt flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Klagenfurt with more confidence.

What is the cheapest airline to fly from Boston to Klagenfurt?

Lufthansa ($2,297) offered the cheapest round-trip ticket from Boston to Klagenfurt in the last 5 days.

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Key details for Boston to Klagenfurt flights

Cheapest flight

$451
Flight from Boston to Klagenfurt

When to book flights from Boston to Klagenfurt

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

Your Boston to Klagenfurt flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boston to Klagenfurt?

    Flights from Boston to Klagenfurt usually depart from Boston Logan Intl (BOS) and arrive at Klagenfurt (KLU).

  • What cabin classes can I book on flights from Boston to Klagenfurt?

    Only Economy Class is available on flights from Boston to Klagenfurt.

  • How long is a flight from Boston to Klagenfurt?

    A nonstop flight from Boston to Klagenfurt takes 0h 00m, covering 3,998 miles.

  • Do I need a passport to fly from Boston to Klagenfurt?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boston to Klagenfurt changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,321 to $2,297. That means the highest observed fare was about 73% higher than the lowest one.

  • What is the time difference between Boston and Klagenfurt?

    Klagenfurt is 6 hours ahead of Boston (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Klagenfurt Airport (KLU)?

    Klagenfurt Airport (KLU) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
    · Sixt
    · Europcar
    · Thrifty
    · Budget
    · Hertz

Your guide to booking Boston to Klagenfurt flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Klagenfurt Airport.
    - Hotel Aragia
    - Pension Zlami

More options for your flight from Boston to Klagenfurt

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

Car rentals in Klagenfurt
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