Are there nonstop flights from Tasiilaq (AGM) to Sermiligaaq (SGG)?

Yes. Air Greenland fly this route. Flight time is about 35m.

Tasiilaq → Sermiligaaq

Tasiilaq Heliport (AGM) to Sermiligaaq Heliport (SGG)・65 km

Nonstop flights available (1 airline). Flight time about 35m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.