American Airlines FinnAir - oneworld alliance oneworld alliance San Francisco SFO Vienna VIE

San Francisco to Vienna $380-$410 Jan-May Oneworld Alliance

a screenshot of a flight schedule

Oneworld Alliance airlines have San Francisco to Vienna, Austria priced around $400 round trip as American Airlines tickets for travel January to March, then $377-$384 for April travel. Lowest fares are departures Sunday to Tuesday outbound.

Many of the itineraries fly Finnair via Helsinki in one or both directions.

American Airlines tickets for Finnair flights

San Francisco SFO – Helsinki HEL – Vienna VIE – Helsinki HEL – SFO

$376.33 round trip  Monday April 29 – Wednesday May 8

a screenshot of a flight schedule