British Airways/Oneworld airlines have several cities in Italy and Nice, France on sale for travel departures Jan 8 – May 10, 2018. British Airways AARP discount rates reduce the ticket prices from $500s to mid-$400s and low $500s.
LAX – Milan MXP or LIN $479.20
LAX – Rome FCO $515.82
LAX – Venice VCE $447.31
LAX – Nice NCE $527.43
Some of these routes are available at lower ticket prices, especially if Aer Lingus flight options are available.