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Klagenfurt

$820+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KLU
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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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 julio 29, 2025.

Round-trip from

$1,612
(Austrian Airlines)
From San Francisco to Klagenfurt
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Find flight deals from San Francisco to Klagenfurt

Cheapest flights from San Francisco to Klagenfurt
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 julio 29, 2025.

This Austrian Airlines deal was found by Cheapflights users on 7/28. 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. 11/78:35 amSFO - KLU
2 stops20h 20mAustrian Airlines
mar. 11/115:45 amKLU - SFO
2 stops24h 49mAustrian Airlines
Deal found 7/28$820

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 julio 29, 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. 8/7

9:05 pm-11:25 pm

2 stops17h 20m

Klagenfurt

dom. 8/10

3:00 pm-12:40 pm

2 stops54h 40m

$1,612

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing Klagenfurt

Get insights into the airlines that provide service to Klagenfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Klagenfurt. Reviews last updated julio 29, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines from San Francisco to Klagenfurt to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Klagenfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from San Francisco to Klagenfurt that include hotel bookings?

    Yes. In addition to deals on San Francisco to Klagenfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Klagenfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Klagenfurt.

  • Can I find deals for business class flights from San Francisco to Klagenfurt?

    Yes. Cheapflights offers flight deals from San Francisco to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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