The rebels, who are fighting for an independent homeland for the tropical island's minority ethnic Tamils, have bombed military and economic targets near the airport and in the north of the island several times this year.
Emirates will start normal day and night operations from next Sunday, the airline's Area Manager for Sri Lanka Tissa Bibile said.
Colombo's Bandaranaike International Airport shut late night services in May following several night time bombing attacks by low-flying Tamil Tiger aircraft which crossed the flight paths of international airliners.
The curfew was lifted last week following the installation of an advanced radar system to detect low-flying aircraft.
"The airline will return to a schedule of 17 services a week between Colombo and Dubai, and four services a week from Colombo to Singapore and Jakarta," Bibile told AFP.
However, SriLankan, which accounts for two thirds of the traffic at the country's only international airport, is undecided about the resump