Old Sep 13, 17, 8:29 am
  #1  
Lewis42
 
Join Date: Mar 2016
Location: Cologne
Programs: FB Plat, IHG RA Spire, TK Elite+, HH Diamond, LH SEN, Marriott Titanium
Posts: 971
OW / *A / ST: 1.1k+ PRG -> WAS / ATL / ORD / YYZ

It appears that a Saturday stay is required but I have not looked into the fare rules.

Most offers are on OW and *A, less on ST.

Seems to be from end of September through to the end of the calendar.

Example...

https://goo.gl/flights/15r2

Enjoy
Lewis42 is offline