Latest deals
Insights
FAQs
Price Alerts

Cheap flights from the United States to Klagenfurt from $486

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Klagenfurt departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Klagenfurt

Recent round-trip flight deals from the United States to Klagenfurt

Enter your travel dates to find the best prices.
Austrian Airlines Logo
9:05 pm - 1:50 pm
ORD
-
KLU
33h 45m2 stops
Austrian Airlines Logo
5:45 am - 1:20 pm
KLU
-
ORD
14h 35m1 stop
$907Austrian Airlines
Tue, Jan 27 - Tue, Mar 31
Multiple Airlines Logo
9:05 pm - 1:50 pm
ORD
-
KLU
33h 45m2 stops
Multiple Airlines Logo
5:45 am - 12:55 pm
KLU
-
ORD
14h 10m2 stops
$920Multiple Airlines
Tue, Jan 27 - Tue, Mar 31
Multiple Airlines Logo
6:30 pm - 10:30 am
ORD
-
KLU
33h 00m3 stops
Multiple Airlines Logo
3:15 pm - 5:20 pm
KLU
-
ORD
33h 05m3 stops
$1,028Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
1:13 pm - 10:30 am
ORD
-
KLU
38h 17m3 stops
Multiple Airlines Logo
3:15 pm - 12:45 pm
KLU
-
ORD
28h 30m2 stops
$1,183Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Austrian Airlines Logo
5:50 pm - 1:50 pm
ORD
-
KLU
13h 00m2 stops
Austrian Airlines Logo
3:15 pm - 6:37 pm
KLU
-
ORD
34h 22m2 stops
$1,215Austrian Airlines
Thu, Jan 22 - Thu, Jan 29
Austrian Airlines Logo
12:15 pm - 1:50 pm
MIA
-
KLU
19h 35m2 stops
Austrian Airlines Logo
4:00 pm - 8:35 pm
KLU
-
MIA
34h 35m2 stops
$1,688Austrian Airlines
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
9:50 pm - 1:50 pm
ORD
-
KLU
33h 00m3 stops
Multiple Airlines Logo
3:00 pm - 10:55 am
KLU
-
ORD
26h 55m2 stops
$3,497Multiple Airlines
Tue, Jan 27 - Tue, Mar 31
Multiple Airlines Logo
2:43 pm - 1:50 pm
MIA
-
KLU
17h 07m3 stops
Multiple Airlines Logo
4:00 pm - 2:40 pm
KLU
-
MIA
28h 40m2 stops
$4,186Multiple Airlines
Wed, Feb 18 - Sat, Feb 21

Austrian Airlines flights from United States to Klagenfurt

Our best Austrian Airlines deals on United States to Klagenfurt flight tickets
Austrian Airlines
Jan 27
ORD9:05 pmChicago O'Hare Intl
33h 45m
2 stops
KLU1:50 pmKlagenfurt
Mar 31
KLU5:45 amKlagenfurt
14h 35m
1 stop
ORD1:20 pmChicago O'Hare Intl
$907
Find similar
Austrian Airlines
Jan 22
ORD5:50 pmChicago O'Hare Intl
13h 00m
2 stops
KLU1:50 pmKlagenfurt
Jan 29
KLU3:15 pmKlagenfurt
34h 22m
2 stops
ORD6:37 pmChicago O'Hare Intl
$1,215
Find similar
Austrian Airlines
Feb 18
MIA12:15 pmMiami
19h 35m
2 stops
KLU1:50 pmKlagenfurt
Feb 21
KLU4:00 pmKlagenfurt
34h 35m
2 stops
MIA8:35 pmMiami
$1,688
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated December 9, 2025.
Use the filters below to find and compare flights from the United States to Klagenfurt that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Tue 1/27

9:05 pm-1:50 pm

2 stops33h 45m

Klagenfurt

Tue 3/31

5:45 am-1:20 pm

1 stop14h 35m

$907

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Tue 1/27

9:05 pm-1:50 pm

2 stops33h 45m

Klagenfurt

Tue 3/31

5:45 am-12:55 pm

2 stops14h 10m

$920

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 1/22

6:30 pm-10:30 am

3 stops33h 00m

Klagenfurt

Thu 1/29

3:15 pm-5:20 pm

3 stops33h 05m

$1,028

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 1/22

1:13 pm-10:30 am

3 stops38h 17m

Klagenfurt

Thu 1/29

3:15 pm-12:45 pm

2 stops28h 30m

$1,183

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 1/22

5:50 pm-1:50 pm

2 stops13h 00m

Klagenfurt

Thu 1/29

3:15 pm-6:37 pm

2 stops34h 22m

$1,215

MiamiKlagenfurt

MIA - KLU

MIAKLU

Miami

Wed 2/18

12:15 pm-1:50 pm

2 stops19h 35m

Klagenfurt

Sat 2/21

4:00 pm-8:35 pm

2 stops34h 35m

$1,688

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Tue 1/27

9:50 pm-1:50 pm

3 stops33h 00m

Klagenfurt

Tue 3/31

3:00 pm-10:55 am

2 stops26h 55m

$3,497

MiamiKlagenfurt

MIA - KLU

MIAKLU

Miami

Wed 2/18

2:43 pm-1:50 pm

3 stops17h 07m

Klagenfurt

Sat 2/21

4:00 pm-2:40 pm

2 stops28h 40m

$4,186

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

8:17 am-10:30 am

2 stops17h 13m

$486

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

5:50 am-10:30 am

3 stops19h 40m

$499

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to Klagenfurt from

How to get the cheapest flight ticket from United States to Klagenfurt

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on United States to Klagenfurt flights?

You could potentially save up to 42% on your flight if you consider stops on a United States to Klagenfurt flight.

Cheap United States to Klagenfurt flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Klagenfurt

Fastest flight time

13h 30m

Direct flights

None
The fastest flight from United States to Klagenfurt takes 13h 30m
There are no direct flights from United States to Klagenfurt. There are no popular flight routes from United States to Klagenfurt.
Search flight deals

  • When did momondo last update prices for flights from United States to Klagenfurt Airport?

    Prices for flights from United States to Klagenfurt Airport are refreshed on a daily basis.

  • How old do you have to be to fly from United States 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 from United States to Klagenfurt Airport.

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

    The necessary travel and health documents for your Klagenfurt Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Klagenfurt?

Book flights to Klagenfurt if you plan to visit one of these locations
Bad Kleinkirchheim

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Klagenfurt. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Klagenfurt from United States with this policy.

How can momondo help me find flights from United States to Klagenfurt?

Once all potential United States to Klagenfurt flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for United States to Klagenfurt flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Klagenfurt trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/8
Thu 1/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Austria