**How Do You Check Into Your Flight from Finnair?** Finnair Airlines Check-In Policy allows passengers to check in online, via mobile, or at the airport. **Finnair Airlines Check-In Policy** requires check-in 45 minutes before departure for domestic flights. **Online Check-in:** Visit Finnair's website or use their mobile app. **Enter Details:** Provide your booking reference or ticket number and personal details. **Select Seats:** Choose your preferred seats, if available. **Print Boarding Pass:** Download and print your boarding pass or save it on your mobile device. **Baggage Drop:** If you have checked baggage, drop it off at the airport's designated counters. **Arrive Early:** Arrive at the airport with sufficient time before your flight's departure. **Security Check:** Proceed through security screening with your boarding pass and identification. **Boarding:** Await your boarding time and proceed to the gate for boarding. For more information on Finnair flight booking, call their customer care helpline at 1-800-102-1233 or **+1-800-315-2771** (OTA), or visit Airlinesreservation247.com and contact them. They are available 24/7 for passenger assistance.