Other airlines serving Bulgaria include Aeroflot, Air France, Alitalia, Austrian Airlines, British Airways, El Al Israel Airlines, KLM, LOT Polish Airlines, Lufthansa, Olympic Airlines and Swissair . Buses run approximately every ten minutes to the city centre during the day and every 20 minutes between 2100-0030. Coaches are available by arrangement through tour operators. Taxis are also available, although taxi drivers may not use their meters and travellers are advised to agree the fare beforehand. Bus service to Varna city centre departs every 20 minutes.
Coach service is available by arrangement with various tour operators.
Taxi service is also available. Bus service departs every 20 minutes to the city centre. Coach service is available by prior arrangement with tour operators. Taxi service is also available. The main international ports are Varna and Bourgas.