Which airlines fly to Klagenfurt?

When flying to Klagenfurt from United States, momondo travelers will most often fly with that one popular airline: Lufthansa. Depending on what airport in United States you fly from, you may be able to find flights with that popular airline.

$514 Cheap Flights to Klagenfurt in 2025/26

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Find the cheapest flights from the United States to Klagenfurt

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One-way

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Cheap round-trip flights

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4:50 pm - 10:35 amJFK-KLU

35h 45m2 stops

11:15 am - 1:35 pmKLU-JFK

56h 20m2 stops

$779Multiple Airlines

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Fri, Feb 13 - Sun, Feb 22

7:45 pm - 11:25 pmMIA-KLU

22h 40m2 stops

2:40 pm - 3:40 pmKLU-MIA

30h 00m2 stops

$793Lufthansa

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Wed, Mar 11 - Sun, Mar 15

7:45 pm - 11:25 pmMIA-KLU

22h 40m2 stops

2:40 pm - 3:40 pmKLU-MIA

30h 00m2 stops

$794Lufthansa

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Wed, Mar 11 - Sun, Mar 15

9:00 am - 2:00 pmJFK-KLU

23h 00m2 stops

3:00 pm - 3:00 pmKLU-JFK

54h 00m2 stops

$938Multiple Airlines

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Mon, May 11 - Sun, May 17

8:25 pm - 11:25 pmJFK-KLU

21h 00m3 stops

8:15 pm - 10:30 pmKLU-JFK

32h 15m3 stops

$986Multiple Airlines

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Mon, May 11 - Sun, May 17

8:25 pm - 11:25 pmJFK-KLU

21h 00m3 stops

8:15 pm - 3:55 pmKLU-JFK

25h 40m2 stops

$994Multiple Airlines

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Mon, May 11 - Sun, May 17

9:45 pm - 11:25 pmJFK-KLU

19h 40m1 stop

3:00 pm - 3:00 pmKLU-JFK

54h 00m2 stops

$1,017Multiple Airlines

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Mon, May 11 - Sun, May 17

2:15 pm - 11:25 pmBOS-KLU

28h 10m2 stops

3:00 pm - 1:50 pmKLU-BOS

28h 50m1 stop

$1,059Austrian Airlines

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Wed, Mar 25 - Sun, Mar 29

9:45 pm - 2:00 pmJFK-KLU

10h 15m1 stop

3:00 pm - 8:05 pmKLU-JFK

11h 05m1 stop

$1,103Austrian Airlines

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Mon, May 11 - Sun, May 17

10:05 am - 2:00 pmJFK-KLU

21h 55m2 stops

5:45 am - 9:17 pmKLU-JFK

21h 32m2 stops

$1,165Air Canada

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Thu, Apr 30 - Mon, May 4

Fly from

Route

Depart

Return

Price

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Fri 2/13

4:50 pm-10:35 am

2 stops35h 45m

Klagenfurt

Sun 2/22

11:15 am-1:35 pm

2 stops56h 20m

$779

MiamiKlagenfurt

MIA - KLU

MIAKLU

Miami

Wed 3/11

7:45 pm-11:25 pm

2 stops22h 40m

Klagenfurt

Sun 3/15

2:40 pm-3:40 pm

2 stops30h 00m

$793

MiamiKlagenfurt

MIA - KLU

MIAKLU

Miami

Wed 3/11

7:45 pm-11:25 pm

2 stops22h 40m

Klagenfurt

Sun 3/15

2:40 pm-3:40 pm

2 stops30h 00m

$794

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Mon 5/11

9:00 am-2:00 pm

2 stops23h 00m

Klagenfurt

Sun 5/17

3:00 pm-3:00 pm

2 stops54h 00m

$938

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Mon 5/11

8:25 pm-11:25 pm

3 stops21h 00m

Klagenfurt

Sun 5/17

8:15 pm-10:30 pm

3 stops32h 15m

$986

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Mon 5/11

8:25 pm-11:25 pm

3 stops21h 00m

Klagenfurt

Sun 5/17

8:15 pm-3:55 pm

2 stops25h 40m

$994

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Mon 5/11

9:45 pm-11:25 pm

1 stop19h 40m

Klagenfurt

Sun 5/17

3:00 pm-3:00 pm

2 stops54h 00m

$1,017

BostonKlagenfurt

BOS - KLU

BOSKLU

Boston Logan Intl

Wed 3/25

2:15 pm-11:25 pm

2 stops28h 10m

Klagenfurt

Sun 3/29

3:00 pm-1:50 pm

1 stop28h 50m

$1,059

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Mon 5/11

9:45 pm-2:00 pm

1 stop10h 15m

Klagenfurt

Sun 5/17

3:00 pm-8:05 pm

1 stop11h 05m

$1,103

New YorkKlagenfurt

JFK - KLU

JFKKLU

New York John F Kennedy Intl

Thu 4/30

10:05 am-2:00 pm

2 stops21h 55m

Klagenfurt

Mon 5/4

5:45 am-9:17 pm

2 stops21h 32m

$1,165

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Klagenfurt flights insights and trends

Explore insights for your Klagenfurt flight to craft the best travel plan

How long does it take to fly to Klagenfurt?

If you’re flying from a popular airport in United States, such as Los Angeles or Miami, and flying into Klagenfurt, then you can expect flight times to average 13h 45m and 14h 55m, respectively.

Cheap Klagenfurt flight deals and tips

Summary info about Klagenfurt flight prices, duration and airlines

Best One-Way Price	$514
Best Round-Trip Price	$793
Fastest flight time	14h 55m

The best one-way flight price to Klagenfurt from United States in the last 72 hours is $514 (Seattle/Tacoma Intl to Klagenfurt).

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The best round-trip flight price to Klagenfurt from United States in the last 72 hours is $793 (Miami to Klagenfurt).

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The fastest flight to Klagenfurt from United States takes 14h 55m (Seattle/Tacoma Intl to Klagenfurt).

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Frequently asked questions about flying to Klagenfurt

Is there an alternative airport near Klagenfurt?

Finding an alternative and possibly cheaper destination airport near Klagenfurt is possible. If you are planning a flight to Klagenfurt, consider booking flights to Klagenfurt Airport (2 mi from Klagenfurt city center).

Is there a cheaper alternative to flying into Klagenfurt?

With an average price of $152 per person, Klagenfurt Airport is the cheapest airport to fly into when planning your trip to Klagenfurt. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

When did momondo last update prices for flights to Klagenfurt Airport?

Prices for flights to Klagenfurt Airport refresh daily.

How many operators does momondo search for flights to Klagenfurt Airport?

As of November 2025, there is 1 operator available to choose from for flights to Klagenfurt Airport.

How old do you have to be to fly 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 to Klagenfurt Airport.

What documentation or ID do you need to fly to Klagenfurt Airport?

The required travel and health documents for your Klagenfurt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Klagenfurt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal to Klagenfurt?

Finding the right flight to Klagenfurt is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Klagenfurt quick and easy, saving you time and money.

Can I find flights to Klagenfurt with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Klagenfurt to just show those with flexible booking policies.

How can momondo help me find flights to Klagenfurt?

Once you have performed a search for flights to Klagenfurt, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Klagenfurt right now. Can momondo alert me if prices change?

If you are not ready to book a flight to Klagenfurt now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Klagenfurt and let you know when they change.