Swiss International Airlines have round trip airfares travelling from Boston, Chicago, Los Angeles, Miami and San Francisco to Athens Greece starting from $517, including taxes and fees. This makes one stop in Zurich.
There’s wide availability between Sept thru early Dec 2017.
From Miami (MIA) – $517 (available departures Sept 6 thru Dec 8)
From Los Angeles (LAX) – $536 (available departures Sept 26 thru Dec 7)
From San Francisco (SFO) – $557 (available departures Oct 10 thru Dec 7)
From Boston (BOS) – $577 (available departures Sept 6 thru Dec 8)
From Chicago (ORD) – $590 (available departures Sept 6 thru Dec 5)
This must be booked directly with Swiss International Airlines because prices are higher using online travel sites. See screenshots below for sample flights.
If you are based in New York, I suggest the recent . It happens to be cheaper than what Swiss is offering out of JFK.
Iconic One Theme | Powered by Wordpress