$395 Cheap Flights from San Francisco (SFO) to Klagenfurt (KLU)

View $395 flight on Sat, Sep 12, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Klagenfurt (KLU-Woerthersee)

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Cheap Flights from San Francisco to Klagenfurt (SFO-KLU)

Prices were available within the past 7 days and start at $395 for one-way flights and $919 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$919 Roundtrip, found 1 day ago
$919
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $919 found 1 day ago
Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$921 Roundtrip, found 1 day ago
$921
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $921 found 1 day ago
Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$924 Roundtrip, found 1 day ago
$924
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $924 found 1 day ago
Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$925 Roundtrip, found 1 day ago
$925
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $925 found 1 day ago
Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$936 Roundtrip, found 1 day ago
$936
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $936 found 1 day ago
Air Canada
Sat, Sep 12 - Sun, Sep 27
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$944 Roundtrip, found 2 days ago
$944
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Sep 12 from San Francisco to Klagenfurt am Woerthersee, returning Sun, Sep 27, priced at $944 found 2 days ago
Air Canada
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$945 Roundtrip, found 1 day ago
$945
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $945 found 1 day ago
Air Canada
Sat, Sep 12 - Sun, Sep 27
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$949 Roundtrip, found 2 days ago
$949
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Sep 12 from San Francisco to Klagenfurt am Woerthersee, returning Sun, Sep 27, priced at $949 found 2 days ago
Austrian Airlines
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$975 Roundtrip, found 1 day ago
$975
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $975 found 1 day ago
Lufthansa
Tue, Sep 1 - Thu, Sep 10
SFO
San Francisco
KLU
Klagenfurt am Woerthersee
$979 Roundtrip, found 1 day ago
$979
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Sep 1 from San Francisco to Klagenfurt am Woerthersee, returning Thu, Sep 10, priced at $979 found 1 day ago

Alternative airports near Klagenfurt am Woerthersee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Joze Pucnik LJU. Cheapest option available. Average driving time to city center is 55 minutes. Flights from $1,460
LJU
Joze Pucnik
Cheapest
Average driving time to city center55 min
Flights from $1,460

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) cost?
You can find cheap one-way flights from $395 and cheap return flights from $919 San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) with Expedia. Roundtrip flights usually range from $1541 to $11092. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
The cheapest month to fly from SFO to KLU is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
Enter SFO to KLU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
Air Canada is one of the cheapest airlines offering connecting flights from San Francisco, CA (SFO) to Klagenfurt (KLU) with a layover in Pearson Intl. (YYZ), starting from around $1431. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
The earliest flight from San Francisco (SFO) to Klagenfurt (KLU) typically leaves at around 10:35 AM, operated by United and Austrian Airlines. This is a seasonal service active in November, and an early departure can help you make the most of your time in Klagenfurt. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
a Sunday typically has the most flights from San Francisco Intl. (SFO) to Woerthersee (KLU), with approximately 17 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Lufthansa, and Air Canada.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
For flights from San Francisco, CA (SFO) to Klagenfurt (KLU), the most popular departure times are in the early afternoon, from 12pm to 3pm. About 75% of passengers prefer this time window. Major carriers, including United Airlines, Austrian Airlines, and Lufthansa, offer flights during this window. This timing is favored as it allows for a relaxed morning before heading to the airport.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
A flight from SFO to KLU with a layover takes around 23 hours 50 minutes, with the route covering approximately 6,029 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
Select the "Business class" and "First class" filters when looking for SFO to KLU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Klagenfurt from San Francisco Intl. (SFO)?
From San Francisco Intl. (SFO), you can fly typically into Woerthersee (KLU) to reach Klagenfurt. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Roissy-Charles de Gaulle (CDG) before reaching Klagenfurt. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Klagenfurt (KLU-Woerthersee) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Woerthersee
Airlines serving
Austrian Airlines, Lufthansa
Roundtrip price
$919
Distance
6027 mi

Book with confidence

San Francisco to Klagenfurt Flights

The cheapest times to fly from San Francisco to Klagenfurt

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Klagenfurt are during the month of September. You can find some of the cheapest flights from San Francisco to Klagenfurt with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Klagenfurt

Sunday is one of the best days to book for cheap flights from San Francisco to Klagenfurt: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Klagenfurt

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Klagenfurt in 2026. You can also book with separate airlines for your outbound and return journeys, from $395 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Klagenfurt flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Klagenfurt airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Klagenfurt Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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