Which airlines fly to Klagenfurt?

When flying to Klagenfurt from United States, momondo travelers will most often fly with one of these popular airlines: Lufthansa or Austrian Airlines. Depending on what airport in United States you fly from, you may be able to find flights with any of these popular airlines.

$915 Cheap Flights to Klagenfurt in 2026

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Find the cheapest flights from the United States to Klagenfurt

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 2:00 pm

LAX

KLU

40h 35m

2 stops

2:50 pm - 3:15 pm

KLU

LAX

57h 25m

2 stops

$1,246Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

7:45 am - 2:00 pm

LAX

KLU

21h 15m

2 stops

2:50 pm - 10:00 pm

KLU

LAX

40h 10m

2 stops

$1,278Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

7:45 am - 2:00 pm

LAX

KLU

21h 15m

3 stops

2:50 pm - 1:05 pm

KLU

LAX

31h 15m

2 stops

$1,357Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

7:45 am - 2:00 pm

LAX

KLU

21h 15m

3 stops

2:50 pm - 1:05 pm

KLU

LAX

31h 15m

2 stops

$1,358Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

8:30 am - 1:25 pm

SFO

KLU

19h 55m

2 stops

3:00 pm - 12:40 pm

KLU

SFO

30h 40m

2 stops

$1,479Austrian Airlines

Thu, Jul 9 - Mon, Jul 20

5:30 pm - 1:25 pm

LAX

KLU

34h 55m

2 stops

3:00 pm - 3:15 pm

KLU

LAX

33h 15m

2 stops

$1,564Lufthansa

Fri, Jul 10 - Mon, Jul 20

8:30 am - 1:25 pm

SFO

KLU

19h 55m

2 stops

3:00 pm - 12:40 pm

KLU

SFO

30h 40m

2 stops

$1,588Austrian Airlines

Thu, Jul 9 - Sat, Jul 18

9:45 am - 2:00 pm

IAD

KLU

22h 15m

2 stops

5:50 am - 6:58 pm

KLU

IAD

19h 08m

2 stops

$2,275Air Canada

Mon, Jun 8 - Mon, Jun 15

10:20 pm - 2:00 pm

IAD

KLU

33h 40m

2 stops

3:00 pm - 7:25 pm

KLU

IAD

34h 25m

2 stops

$2,320Lufthansa

Sun, Jun 7 - Tue, Jun 16

12:40 pm - 2:00 pm

IAD

KLU

19h 20m

2 stops

5:50 am - 6:58 pm

KLU

IAD

19h 08m

2 stops

$2,349Air Canada

Sat, Jun 6 - Mon, Jun 15

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesKlagenfurt

LAX - KLU

LAXKLU

Los Angeles

Sun 11/8

12:25 pm-2:00 pm

2 stops40h 35m

Klagenfurt

Sun 11/15

2:50 pm-3:15 pm

2 stops57h 25m

$1,246

Los AngelesKlagenfurt

LAX - KLU

LAXKLU

Los Angeles

Sun 11/8

7:45 am-2:00 pm

2 stops21h 15m

Klagenfurt

Sun 11/15

2:50 pm-10:00 pm

2 stops40h 10m

$1,278

Los AngelesKlagenfurt

LAX - KLU

LAXKLU

Los Angeles

Sun 11/8

7:45 am-2:00 pm

3 stops21h 15m

Klagenfurt

Sun 11/15

2:50 pm-1:05 pm

2 stops31h 15m

$1,357

Los AngelesKlagenfurt

LAX - KLU

LAXKLU

Los Angeles

Sun 11/8

7:45 am-2:00 pm

3 stops21h 15m

Klagenfurt

Sun 11/15

2:50 pm-1:05 pm

2 stops31h 15m

$1,358

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Thu 7/9

8:30 am-1:25 pm

2 stops19h 55m

Klagenfurt

Mon 7/20

3:00 pm-12:40 pm

2 stops30h 40m

$1,479

Los AngelesKlagenfurt

LAX - KLU

LAXKLU

Los Angeles

Fri 7/10

5:30 pm-1:25 pm

2 stops34h 55m

Klagenfurt

Mon 7/20

3:00 pm-3:15 pm

2 stops33h 15m

$1,564

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Thu 7/9

8:30 am-1:25 pm

2 stops19h 55m

Klagenfurt

Sat 7/18

3:00 pm-12:40 pm

2 stops30h 40m

$1,588

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Mon 6/8

9:45 am-2:00 pm

2 stops22h 15m

Klagenfurt

Mon 6/15

5:50 am-6:58 pm

2 stops19h 08m

$2,275

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Sun 6/7

10:20 pm-2:00 pm

2 stops33h 40m

Klagenfurt

Tue 6/16

3:00 pm-7:25 pm

2 stops34h 25m

$2,320

Quickest round-trip

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Sat 6/6

12:40 pm-2:00 pm

2 stops19h 20m

Klagenfurt

Mon 6/15

5:50 am-6:58 pm

2 stops19h 08m

$2,349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 San Francisco, and flying into Klagenfurt, then you can expect flight times to average 13h 10m and 14h 25m, respectively.

Cheap Klagenfurt flight deals and tips

Summary info about Klagenfurt flight prices, duration and airlines

Best One-Way Price	$915
Best Round-Trip Price	$1,246
Fastest flight time	21h 20m

The best one-way flight price to Klagenfurt from United States in the last 72 hours is $915 (Boston Logan Intl to Klagenfurt).

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The best round-trip flight price to Klagenfurt from United States in the last 72 hours is $1,246 (Los Angeles to Klagenfurt).

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The fastest flight to Klagenfurt from United States takes 21h 20m (Boston Logan 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).

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 May 2026, 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.