Based on joint service of KLM / Air France you may consider to book attractive return flights from Europe to Lima, capital of South American Peru. Cheap return flights from Benelux to Peru are now starting at €485. If interested please look for round trip flights from Brussels, Antwerp or Luxembourgh to Lima. Abovementioned fare includes all taxes and fees as well as checked luggage.
In case of interested in this KLM / Air France promotional sale please look for flights in travel period till end of June and between September and 10th of December 2017. (Based on date of your inbound flight from South America). Blackout period in July and August. Max stay 1 month. This offer is valid for bookings made till 10th of March 2017 or until sold out. Please refer to below booking samples to Lima if interested in this deal.
Booking samples
Belgium - Lima from €498 (Directly with airline)
Travel dates. Vary by each origin. The easiest way to find the lowest fare available are directly with the airline. They are offering +- 3 days searching view. All these European cities are well connected by many low cost airlines. To make a basic idea how to reach them from your hometown you may use service of Skyscanner. To book some afforeable accommodation in Peru you may use Booking.com or consider following promo codes offered by Ebookers, Hotelopia or Venere.
Booking sample of cheap return flights from Benelux to Peru from €485 here, In this case you would be flying from Brussels to Lima on 27th of November. Your return flight from South America to Europe would take place on 10th of December 2017.