Finnair has begun consultations with 250 customer service staff based at Helsinki airport that could see 25 employees laid off and a further 30 people given part-time contracts.
The move is part of the Oneworld carrier's ongoing €140 million ($178 million) cost-saving plan.
Finnair says it hopes to minimise the number of staff affected by the restructuring.
Meanwhile, passenger traffic at the airline increased 8% year-on-year in October against capacity grown by 5.4%, causing passenger load factor to increase by 1.8 percentage points to 75.5%.
Domestic traffic increased by 4.5%, while capacity dropped by 13.5% with a 10.3 percentage point increase in load factor to 59.8%.
On the cargo front, traffic fell by 3.3% on capacity cut by 6.6%. Cargo load factor improved by 2.5 percentage points to 70.8%.