Fare is still alive and kicking..
OSL->JFK for 1100 EUR in J roundtrip:
https://www.google.com/flights?lite=0#flt=ARN,/m/05l64,/m/01lfy.SFO,LAX,ORD,/m/02_286,BOS.2019-04-02.OSLLIS0TP761~LISJFK0TP209*SFO,LAX,ORD,/m/02_286,BOS.ARN,/m/05l64,/m/01lfy.2019-04-09.JFKLIS0TP208~LISOSL1TP764;c:USD;e:1;a:STAR_ALLI ANCE,ONEWORLD,SKYTEAM*STAR_ALLIANCE,ONEWORLD,SKYTE AM;sc:b;sd:1;t:b;sp:2.USD.124430*2.USD.124430
-James