Finnair nonstop service between Los Angeles LAX and Helsinki 3x weekly begins March 31, 2019 flying A350 aircraft Sunday, Tuesday and Thursday from LAX.
Current ticket prices are as low as $435 round trip for LAX to Copenhagen in April 2019.
These are Economy Light carry on only fares. Pay an additional $45 each way to upgrade to Economy Basic with one checked bag included.
Finnair LAX – Helsinki – Copenhagen – Helsinki – LAX