Are there nonstop flights from Patras (GPA) to Paris (CDG)?

No. The fastest connection is via Milan, about 3h 16m of total flying time.

What is the fastest connection from Patras (GPA) to Paris (CDG)?

via Milan ≈ 3h 16m, via Zurich ≈ 3h 18m, via Luxembourg ≈ 3h 23m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Patras Araxos Agamemnon Airport (GPA) to Charles de Gaulle International Airport (CDG)・1,932 km

No nonstop flights. The fastest connection is via Milan (MXP), about 3h 16m of flying time (layover not included).

With milesANA 15,000 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

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