Finnair has low fares from $434 to $450 round trip from San Francisco to Copenhagen, Denmark; Bergen or Oslo, Norway or Gothenburg, Sweden for a few dates from August 15 through September. Gothenburg GOT is the lowest fare at $435 with most low fare dates. Most low fare dates are Tuesday flights.
Finnair is a recent airline partner addition for Alaska Airlines Mileage Plan. These San Francisco to Helsinki nonstop flights book in economy O class and earn 50% flight miles in Alaska Mileage Plan. That means an average of 6,000 Alaska miles for a round trip ticket.
Finnair San Francisco SFO – Helsinki HEL – Gothenburg GOT – Helsinki HEL – San Francisco SFO
Earns 5,924 Alaska Airlines Mileage Plan miles
Want Overnight Transit in Helsinki? Book online travel agency ticket.
Google Flights shows low $435 Finnair fares for itineraries with a 20 hour overnight layover in Helsinki, yet these flight options do not appear when I check Finnair website flights. They are available through online travel agencies like Expedia.com tickets.
Expedia.com ticket Finnair
San Francisco SFO – Helsinki HEL (20 hour layover 4pm-noon) – Gothenburg GOT – Helsinki HEL (21 hour layover 7pm-4pm)– San Francisco SFO
Finnair San Francisco SFO – Helsinki HEL – Copenhagen CPH – Helsinki HEL – San Francisco SFO
Earns 5,992 Alaska Airlines Mileage Plan miles
Bergen, Norway is the route for maximum Alaska miles. Bergen is also a fantastic destination for hiking the surrounding mountains or cruising fjords. 4 day passes for unlimited fjord ferries is a good value compared to single ticket prices.
Finnair San Francisco SFO – Helsinki HEL (17.5 hours overnight 4pm-9:30am) – Arlanda ARN – Bergen BGO – Arlanda ARN – Helsinki HEL (22 hours overnight 6:30pm-4:30pm)– San Francisco SFO
$449.96 round trip SFO-BGO Expedia ticket earns 6,120 Alaska Mileage Plan miles with overnight in Helsinki in both directions.