Please follow the check-in time provided by your carrier or travel organiser. Especially during the busiest times, it is good to plan ahead and come to Helsinki Airport in good time before your departure. The check-in times and procedures vary depending on the flight. Always check this information from your own airline or travel agent.
You may encounter congestion at Helsinki Airport if your flight departs in the morning between 6 am and 8.30 am, in the afternoon between 2 pm and 5.30 pm, in the beginning of summer, Christmas and Easter holidays or during school autumn and winter breaks.