From Indonesia, you may apply for a visa to Vietnam either through Vietnamese embassy in Jakarta or apply for a visa on arrival.
Visa on arrival - Visa at Embassy of Vietnam In Jakarta, Indonesia
Embassy of Vietnam in Jakarta, Indonesia
Jalan Teuka Umar 25, Jakarta Pusat
Phone: (21) 3100357/8/9
Fax: (21) 3100359 or 3149615
From other travelers experience, people apply for a visa in Jakarta used to face 2-3 days waiting and a cost of $120 for the same visa.
Vietnam visa on arrival service will help you get visa for Vietnam fast, cheap and convenience without going and queuing at embassy or consulate. Now you can stay at home or office to fill Vietnam visa form online and get approval letter from Vietnam Immigration Department with support from visa agents in Vietnam.
Vietnam visa on arrival is supported by Vietnam Immigration Office. To get visa on arrival at Vietnam airports, you simply fill online application form at: https://www.vietnamvisaonline.net/apply/ or download vietnam-visa-application-form.doc, complete and send back to us via firstname.lastname@example.org
This video tutorial will show you how to apply for a visa-on-arrival to Vietnam, the process involves quite a few steps that must be completed before you can pick up your visa at Vietnam airport.