Usually airline sales are not special, but Alitalia as listed 3 short flights from Rome at a very attractive rate for XPs earning.
You would earn 30 XPs as these are international flights at a cost of under €6-6.50 each!
These fares even work during August in peak vacation season. Here is the info on the Alitalia site and 3 examples to Malta, Corsica and Belgrade. These are bookable via Google Flights!
Rome to Belgrade from €199!