From Dar es Salaam to Zanzibar

From Dar es Salaam, the flights to Zanzibar with local airlines are affordable (between 60-200 USD return). It’s only about 20 minutes flight time for the 72km flight. However, most people prefer to take the Ferry (about 80USD return).

Azam Marine
http://www.azammarine.com/

In East Africa most of the flights happen with middle-sized aircraft. Therefore, most of the schedules are not published on IATA, and one cannot do a search on a normal flights sites (kayaak, travelocity, trivago, opodo, etc.) to find them. One needs to do a bit of legwork finding the individual flights. Here we have listed the various regional/local airlines. The slightly bigger companies are Precision and Coastal:

Airlines that fly from Dar es Salaam to Zanzibar

Precision Air, Coastal Aviation, Zan Air, Auric Air, As Salaam Air

Airlines that fly from Dar es Salaam to Arusha/Kilimanjaro

Most airlines below fly to Kilimanjaro Airport (DAR-JRO)
Some fly to Arusha airport (DAR-ARK)

Search engines for low cost flying in East Africa:

Fly Ezee is a website that puts together the various airlines and searches for flights throughout east africa. Particularly useful is this list of local airlines
http://flyezee.com/Airlines

Air Viva is also a similar search engine
https://air-viva.com/en/

List of airlines (Big planes):

Fastjet
http://www.fastjet.com

Precision Air
https://www.precisionairtz.com/

Air Tanzania
http://www.airtanzania.co.tz

Blue Sky Aviation
They seem to operate the Air Tanzania planes)
http://www.blueskyaviation.co.ke/en

Fly540
They look like an african EasyJet
https://www.fly540.com/

Kenya Airways (based in Kenia)
https://www.kenya-airways.com

Skyward Express (based in Kenia)
http://skywardexpress.co.ke/

List of airlines (Small planes):

Coastal Aviation
http://www.coastal.co.tz/

Flight Link
http://www.flightlink.co.tz/

Auric Air
http://www.auricair.com/en

Zan Air
http://www.zanair.com/

Regional Air
http://www.regionaltanzania.com/en

Air Excel
http://www.airexcelonline.com/en

As Salaam Air
http://www.assalaamair.com/en

Aerolink (Ugandan airline)
http://www.aerolinkuganda.com/General/Map

AeroNav (charters)
http://www.aeronavaircharter.com