Redirect to custom URL after logout on Laravel

LoginController.php

<?php

.....
use Illuminate\Http\Request;

class LoginController extends Controller
{
  .....
	/**
     * Logout trait
     *
     * @author
     * @param  Request $request
     * @return void         
     */
    protected function logout(Request $request)
    {
        $this->guard()->logout();

        $request->session()->flush();

        $request->session()->regenerate();

        return redirect()->route('admin.login');/* change your route here*/
    }
}