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Cheap flights from San Francisco to Klagenfurt from $514

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Klagenfurt departing on 12/24. 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

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Find the cheapest flights from San Francisco to Klagenfurt

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
12:50 pm - 1:50 pm
SFO
-
KLU
16h 00m2 stops
Austrian Airlines Logo
3:15 pm - 1:20 pm
KLU
-
SFO
31h 05m2 stops
$2,638Austrian Airlines
Sun, Dec 28 - Tue, Dec 30
Lufthansa Logo
1:30 pm - 1:50 pm
SFO
-
KLU
15h 20m2 stops
Lufthansa Logo
3:15 pm - 2:50 pm
KLU
-
SFO
32h 35m2 stops
$2,771Lufthansa
Sat, Dec 27 - Mon, Dec 29
Austrian Airlines Logo
8:20 am - 1:50 pm
SFO
-
KLU
20h 30m2 stops
Austrian Airlines Logo
3:15 pm - 7:19 pm
KLU
-
SFO
37h 04m2 stops
$3,349Austrian Airlines
Sat, Dec 27 - Fri, Jan 2
Lufthansa Logo
6:50 pm - 1:50 pm
SFO
-
KLU
34h 00m2 stops
Lufthansa Logo
3:15 pm - 12:40 pm
KLU
-
SFO
54h 25m2 stops
$3,422Lufthansa
Sun, Dec 28 - Fri, Jan 2
Lufthansa Logo
1:30 pm - 1:50 pm
SFO
-
KLU
15h 20m2 stops
Lufthansa Logo
4:00 pm - 2:50 pm
KLU
-
SFO
55h 50m2 stops
$3,451Lufthansa
Sun, Dec 28 - Sat, Jan 3
Lufthansa Logo
1:30 pm - 1:50 pm
SFO
-
KLU
15h 20m2 stops
Lufthansa Logo
4:00 pm - 2:50 pm
KLU
-
SFO
55h 50m2 stops
$3,501Lufthansa
Sat, Dec 27 - Sat, Jan 3

Austrian Airlines flights from San Francisco to Klagenfurt

Our best Austrian Airlines deals on San Francisco to Klagenfurt flight tickets
Austrian Airlines
Dec 26
SFO8:20 amSan Francisco
17h 10m
2 stops
KLU10:30 amKlagenfurt
Dec 30
KLU3:15 pmKlagenfurt
37h 04m
2 stops
SFO7:19 pmSan Francisco
$1,993
Find similar
Austrian Airlines
Dec 25
SFO12:50 pmSan Francisco
16h 00m
2 stops
KLU1:50 pmKlagenfurt
Dec 30
KLU3:15 pmKlagenfurt
30h 25m
2 stops
SFO12:40 pmSan Francisco
$2,133
Find similar
Austrian Airlines
Dec 28
SFO12:50 pmSan Francisco
16h 00m
2 stops
KLU1:50 pmKlagenfurt
Dec 30
KLU3:15 pmKlagenfurt
31h 05m
2 stops
SFO1:20 pmSan Francisco
$2,638
Find similar

Lufthansa flights from San Francisco to Klagenfurt

Our best Lufthansa deals on San Francisco to Klagenfurt flight tickets
Lufthansa
Dec 24
SFO9:40 pmSan Francisco
31h 10m
2 stops
KLU1:50 pmKlagenfurt
Dec 29
KLU3:15 pmKlagenfurt
30h 25m
2 stops
SFO12:40 pmSan Francisco
$1,964
Find similar
Lufthansa
Dec 24
SFO9:40 pmSan Francisco
31h 10m
2 stops
KLU1:50 pmKlagenfurt
Dec 28
KLU3:15 pmKlagenfurt
56h 35m
2 stops
SFO2:50 pmSan Francisco
$1,976
Find similar
Lufthansa
Dec 25
SFO9:40 pmSan Francisco
27h 50m
2 stops
KLU10:30 amKlagenfurt
Dec 28
KLU3:15 pmKlagenfurt
56h 35m
2 stops
SFO2:50 pmSan Francisco
$2,026
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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 18, 2025.
Use the filters below to find and compare flights from San Francisco to Klagenfurt that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sun 12/28

12:50 pm-1:50 pm

2 stops16h 00m

Klagenfurt

Tue 12/30

3:15 pm-1:20 pm

2 stops31h 05m

$2,638

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sat 12/27

1:30 pm-1:50 pm

2 stops15h 20m

Klagenfurt

Mon 12/29

3:15 pm-2:50 pm

2 stops32h 35m

$2,771

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sat 12/27

8:20 am-1:50 pm

2 stops20h 30m

Klagenfurt

Fri 1/2

3:15 pm-7:19 pm

2 stops37h 04m

$3,349

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sun 12/28

6:50 pm-1:50 pm

2 stops34h 00m

Klagenfurt

Fri 1/2

3:15 pm-12:40 pm

2 stops54h 25m

$3,422

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sun 12/28

1:30 pm-1:50 pm

2 stops15h 20m

Klagenfurt

Sat 1/3

4:00 pm-2:50 pm

2 stops55h 50m

$3,451

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Sat 12/27

1:30 pm-1:50 pm

2 stops15h 20m

Klagenfurt

Sat 1/3

4:00 pm-2:50 pm

2 stops55h 50m

$3,501

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Wed 12/24

9:30 pm-9:05 am

3 stops50h 35m

$514

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Wed 12/24

9:40 pm-9:05 am

3 stops50h 25m

$525

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Fri 12/26

9:30 pm-9:20 am

3 stops50h 50m

$542

San FranciscoKlagenfurt

SFO - KLU

SFOKLU

San Francisco

Thu 12/25

8:22 am-9:05 am

3 stops39h 43m

$547

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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When to book flights from San Francisco to Klagenfurt

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Klagenfurt according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Klagenfurt (SFO to KLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Klagenfurt

Fastest flight time

40h 00m

Direct flights

None
The fastest flight from San Francisco to Klagenfurt takes 40h 00m
There are no direct flights from San Francisco to Klagenfurt. There are no popular flight routes from San Francisco to Klagenfurt.
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  • How far is San Francisco to Klagenfurt by plane?

    The straight-line distance from San Francisco to Klagenfurt is 6015.0 mi. By plane, this route typically takes 40h 00m.

  • When did momondo last update prices for flights from San Francisco Airport to Klagenfurt Airport?

    Prices for flights from San Francisco Airport to Klagenfurt Airport refresh daily.

  • How old do you have to be to fly from San Francisco Airport to Klagenfurt Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport 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.

  • How do I get Price Alerts for flights from San Francisco to Klagenfurt?

    Search flight deals from San Francisco to Klagenfurt. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from San Francisco to Klagenfurt with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 San Francisco to Klagenfurt?

Finding the right flight to Klagenfurt from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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 from San Francisco to Klagenfurt with flexible booking policies on momondo?

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

How can momondo help me find flights from San Francisco to Klagenfurt?

Once all potential San Francisco 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 San Francisco to Klagenfurt right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Klagenfurt, momondo offers a useful price alert feature which will track prices for flights to Klagenfurt from San Francisco and alert you when they change.

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