diff --git a/flags.go b/flags.go
new file mode 100644
index 0000000..dd32f4e
--- /dev/null
+++ b/flags.go
@@ -0,0 +1,57 @@
+package viper
+
+import "github.com/spf13/pflag"
+
+// FlagValueSet is an interface that users can implement
+// to bind a set of flags to viper.
+type FlagValueSet interface {
+	VisitAll(fn func(FlagValue))
+}
+
+// FlagValue is an interface that users can implement
+// to bind different flags to viper.
+type FlagValue interface {
+	HasChanged() bool
+	Name() string
+	ValueString() string
+	ValueType() string
+}
+
+// pflagValueSet is a wrapper around *pflag.ValueSet
+// that implements FlagValueSet.
+type pflagValueSet struct {
+	flags *pflag.FlagSet
+}
+
+// VisitAll iterates over all *pflag.Flag inside the *pflag.FlagSet.
+func (p pflagValueSet) VisitAll(fn func(flag FlagValue)) {
+	p.flags.VisitAll(func(flag *pflag.Flag) {
+		fn(pflagValue{flag})
+	})
+}
+
+// pflagValue is a wrapper aroung *pflag.flag
+// that implements FlagValue
+type pflagValue struct {
+	flag *pflag.Flag
+}
+
+// HasChanges returns whether the flag has changes or not.
+func (p pflagValue) HasChanged() bool {
+	return p.flag.Changed
+}
+
+// Name returns the name of the flag.
+func (p pflagValue) Name() string {
+	return p.flag.Name
+}
+
+// ValueString returns the value of the flag as a string.
+func (p pflagValue) ValueString() string {
+	return p.flag.Value.String()
+}
+
+// ValueType returns the type of the flag as a string.
+func (p pflagValue) ValueType() string {
+	return p.flag.Value.Type()
+}
diff --git a/flags_test.go b/flags_test.go
new file mode 100644
index 0000000..5489278
--- /dev/null
+++ b/flags_test.go
@@ -0,0 +1,66 @@
+package viper
+
+import (
+	"testing"
+
+	"github.com/spf13/pflag"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBindFlagValueSet(t *testing.T) {
+	flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError)
+
+	var testValues = map[string]*string{
+		"host":     nil,
+		"port":     nil,
+		"endpoint": nil,
+	}
+
+	var mutatedTestValues = map[string]string{
+		"host":     "localhost",
+		"port":     "6060",
+		"endpoint": "/public",
+	}
+
+	for name, _ := range testValues {
+		testValues[name] = flagSet.String(name, "", "test")
+	}
+
+	flagValueSet := pflagValueSet{flagSet}
+
+	err := BindFlagValues(flagValueSet)
+	if err != nil {
+		t.Fatalf("error binding flag set, %v", err)
+	}
+
+	flagSet.VisitAll(func(flag *pflag.Flag) {
+		flag.Value.Set(mutatedTestValues[flag.Name])
+		flag.Changed = true
+	})
+
+	for name, expected := range mutatedTestValues {
+		assert.Equal(t, Get(name), expected)
+	}
+}
+
+func TestBindFlagValue(t *testing.T) {
+	var testString = "testing"
+	var testValue = newStringValue(testString, &testString)
+
+	flag := &pflag.Flag{
+		Name:    "testflag",
+		Value:   testValue,
+		Changed: false,
+	}
+
+	flagValue := pflagValue{flag}
+	BindFlagValue("testvalue", flagValue)
+
+	assert.Equal(t, testString, Get("testvalue"))
+
+	flag.Value.Set("testing_mutate")
+	flag.Changed = true //hack for pflag usage
+
+	assert.Equal(t, "testing_mutate", Get("testvalue"))
+
+}
diff --git a/viper.go b/viper.go
index a671c1f..b253c75 100644
--- a/viper.go
+++ b/viper.go
@@ -149,7 +149,7 @@
 	override       map[string]interface{}
 	defaults       map[string]interface{}
 	kvstore        map[string]interface{}
-	pflags         map[string]*pflag.Flag
+	pflags         map[string]FlagValue
 	env            map[string]string
 	aliases        map[string]string
 	typeByDefValue bool
@@ -166,7 +166,7 @@
 	v.override = make(map[string]interface{})
 	v.defaults = make(map[string]interface{})
 	v.kvstore = make(map[string]interface{})
-	v.pflags = make(map[string]*pflag.Flag)
+	v.pflags = make(map[string]FlagValue)
 	v.env = make(map[string]string)
 	v.aliases = make(map[string]string)
 	v.typeByDefValue = false
@@ -467,13 +467,13 @@
 	if val == nil {
 		if flag, exists := v.pflags[lcaseKey]; exists {
 			jww.TRACE.Println(key, "get pflag default", val)
-			switch flag.Value.Type() {
+			switch flag.ValueType() {
 			case "int", "int8", "int16", "int32", "int64":
-				val = cast.ToInt(flag.Value.String())
+				val = cast.ToInt(flag.ValueString())
 			case "bool":
-				val = cast.ToBool(flag.Value.String())
+				val = cast.ToBool(flag.ValueString())
 			default:
-				val = flag.Value.String()
+				val = flag.ValueString()
 			}
 		}
 	}
@@ -618,15 +618,10 @@
 // name as the config key.
 func BindPFlags(flags *pflag.FlagSet) (err error) { return v.BindPFlags(flags) }
 func (v *Viper) BindPFlags(flags *pflag.FlagSet) (err error) {
-	flags.VisitAll(func(flag *pflag.Flag) {
-		if err = v.BindPFlag(flag.Name, flag); err != nil {
-			return
-		}
-	})
-	return nil
+	return v.BindFlagValues(pflagValueSet{flags})
 }
 
-// Bind a specific key to a flag (as used by cobra)
+// Bind a specific key to a pflag (as used by cobra)
 // Example(where serverCmd is a Cobra instance):
 //
 //	 serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
@@ -634,6 +629,29 @@
 //
 func BindPFlag(key string, flag *pflag.Flag) (err error) { return v.BindPFlag(key, flag) }
 func (v *Viper) BindPFlag(key string, flag *pflag.Flag) (err error) {
+	return v.BindFlagValue(key, pflagValue{flag})
+}
+
+// Bind a full FlagValue set to the configuration, using each flag's long
+// name as the config key.
+func BindFlagValues(flags FlagValueSet) (err error) { return v.BindFlagValues(flags) }
+func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) {
+	flags.VisitAll(func(flag FlagValue) {
+		if err = v.BindFlagValue(flag.Name(), flag); err != nil {
+			return
+		}
+	})
+	return nil
+}
+
+// Bind a specific key to a FlagValue.
+// Example(where serverCmd is a Cobra instance):
+//
+//	 serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
+//	 Viper.BindFlagValue("port", serverCmd.Flags().Lookup("port"))
+//
+func BindFlagValue(key string, flag FlagValue) (err error) { return v.BindFlagValue(key, flag) }
+func (v *Viper) BindFlagValue(key string, flag FlagValue) (err error) {
 	if flag == nil {
 		return fmt.Errorf("flag for %q is nil", key)
 	}
@@ -678,15 +696,15 @@
 
 	// PFlag Override first
 	flag, exists := v.pflags[key]
-	if exists && flag.Changed {
-		jww.TRACE.Println(key, "found in override (via pflag):", flag.Value)
-		switch flag.Value.Type() {
+	if exists && flag.HasChanged() {
+		jww.TRACE.Println(key, "found in override (via pflag):", flag.ValueString())
+		switch flag.ValueType() {
 		case "int", "int8", "int16", "int32", "int64":
-			return cast.ToInt(flag.Value.String())
+			return cast.ToInt(flag.ValueString())
 		case "bool":
-			return cast.ToBool(flag.Value.String())
+			return cast.ToBool(flag.ValueString())
 		default:
-			return flag.Value.String()
+			return flag.ValueString()
 		}
 	}