call : +1-888-449-3560 Rescheduling a flight with Finnair is a smooth process if you understand the airline’s policies and follow the correct steps. Whether your plans change due to personal reasons or unexpected circumstances, Finnair provides flexible options to adjust your booking.call : +1-888-449-3560 Rescheduling a flight with Finnair is a smooth process if you understand the airline’s policies and follow the correct steps. Whether your plans change due to personal reasons or unexpecte