$798+ Cheap flights from San Francisco (SFO) to Klagenfurt (KLU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KLU
nov. 27 — dic. 41
1 adult, Economy
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Cheapest flights from San Francisco to KlagenfurtExplore the most affordable flight options available from San Francisco to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.
Explore the most affordable flight options available from San Francisco to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/118:30 amSFO - KLU
2 stops20h 25mMultiple Airlines
jue. 12/185:45 amKLU - SFO
2 stops22h 50mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$798
This Austrian Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:25 amSFO - KLU
2 stops20h 30mAustrian Airlines
mar. 11/185:45 amKLU - SFO
2 stops24h 49mAustrian Airlines
Deal found 10/27![Austrian Airlines logo]()
$866
Cheap flight deals from San Francisco to Klagenfurt
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Klagenfurt (KLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 28, 2025.
Most accurate provider | Expedia 2 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $798 (Gotogate) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 28, 2025.
Use the filters below to find and compare flights from San Francisco to Klagenfurt that are best for you.
Fly from
San Francisco
Fly to
Klagenfurt
Route
Depart
Return
Price
San FranciscoKlagenfurt
SFO - KLU
SFOKLU
San Francisco
jue. 12/11
8:30 am-1:55 pm
2 stops20h 25m
Klagenfurt
jue. 12/18
5:45 am-7:35 pm
2 stops22h 50m
$798
San FranciscoKlagenfurt
SFO - KLU
SFOKLU
San Francisco
vie. 11/14
8:25 am-1:55 pm
2 stops20h 30m
Klagenfurt
mar. 11/18
5:45 am-9:34 pm
2 stops24h 49m
$866
- Most accurate provider: When it comes to deals on San Francisco-Klagenfurt flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Klagenfurt flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Francisco-Klagenfurt flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Klagenfurt flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Klagenfurt flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Klagenfurt
Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.