Los Angeles to Rome Italy $420 RT on Norwegian Air (Limited Travel Dec-Feb) Nonstop

Norwegian Air, a low-cost, long-haul airline, have round trip airfares travelling from Los Angeles (LAX) to Rome Italy (FCO). This is nonstop.
Travel Availability:
Departs LAX: Dec 5, Jan 9; Feb 3, 7, 10, 24;
Returns: Dec 12, 16; Jan 13, 16; Feb 3, 7, 10, 14, 21; March 3, 5, 10, 12, 17
Use dates above and book it directly with Norwegian
Norwegian Air is a low-cost air carrier. Check on their baggage allowance and fees before you decide on booking.
Sample attached