Another option with premium Qatar Airways are attractive round trip flights from Europe to incredible Nepal. Apart of mountain hikking you may also consider to go south of Nepal for some jungle trekking to spot rhinos, elephants or even rate tigers.. (Chitwan National Park located close to Indian borders is one of the last strongholds of the Royal Bengal tiger..). Close to Chitwan National Park you may also consider to visit Lumbini, the birthplace of Lord Buddha and one of the four holy places of Buddhism. Return flights from Europe to Kathmandu are now available already for €396..
if interested in this promotion with Qatar Airways please look for flights departing from France, Spain, Switzerland, Sweden, Austria, Germany or Brussels. This promo sale is available for bookings made till 6th of November 2015. Discounted flights are in travel period within 15th of January till 30th of June 2016. Please refer to below booking samples to Kathmandu from each of the origins.
Tourist visa is possible to get upon arrival in Kathmandu, in order to be allowed to do trekking you would need to obtain Trekking Permit and TIMS card. This is for instance possible to obtain at Nepal Tourism Offices in Kathmandu which is easily reachable by walk (15 mins) from Thamel district. (Main tourist area in Kathmandu).
Booking sample of cheap return flights from Europe to incredible Nepal from €396! In this case you would be departing from Paris to Kathmandu on 13th of March. Your return flight from Nepal back to France would be on 30th of March 2016.