Air Canada has the low fare at $594 from Los Angeles LAX to Copenhagen for travel departures beginning in September. Oneworld with American, British Airways and US Airways has offered LAX-CPH for $692 for the past few weeks. Air Canada has cut that fare by $100. You can fly United LAX-LHR and connect to SAS outbound for about $30 more.
LAX – Copenhagen is ground zero for Scandinavia fare wars. Norwegian Airlines will fly you for under $500 round trip on this route on many dates. Air Canada is the only other airline to post fares under $600. The field is wide open for other airlines in mid-$600s with Delta and Air France/KLM and Lufthansa/Swiss Airlines in mid-$600s.
Low fares are posted through May 2016.
Air Canada booked as all United Airlines codeshares on United.com
Los Angeles LAX – Toronto YYZ – Copenhagen, Denmark CPH
$593.70 September 7 – September 17, 2015