Hide Free Shipping When Table Rate Option is Available

wc-hide-shipping-based-on-shipping.php

/**
 * Hide all free shipping options when the given shipping option is available to choose
 * Code snippets should be added to the functions.php file of your child theme
 *
 * @return array
 */
function hide_shipping_when_option_is_available( $rates, $package ) {
    // set the desired option
    $shipping_op = 'betrs_shipping:10-2';
 
    if( array_key_exists( $shipping_op, $rates ) ) {
        foreach( $rates as $key => $option ) {
            if( $option->method_id == 'free_shipping' )
                unset( $rates[ $key ] );
        }
    }
 
    return $rates;
}
add_filter( 'woocommerce_package_rates', 'hide_shipping_when_option_is_available', 10, 2 );