The gateway city to the Italian Riviera is Genoa (Genova in Italian).
It is home to a large, international airport with flights to many
European cities.
Riviera - Ligurian Sea
Alternatively, visitors can fly to the Nice Cote d'Azur Airport in
France and catch a train into Italy. An alternate route to the
Riviera is to fly to the Pisa Airport and catch a train from there.