In this guide, we'll walk you through the process of showcasing only the free shipping option when it's available in your WooCommerce store. This ensures a simplified and seamless checkout experience for your customers.

Step : Access Your WordPress Dashboard

1. Begin by logging into your WordPress dashboard, then go to Apperiances -> theme file editor.
2. Select parent theme.
3. Then open the funtion.php file and add the below code there

How do I show only Free Shipping?

Hides everything but free_shipping if it’s available and is compatible with Shipping Zones.

/**
 * Hide shipping rates when free shipping is available.
 * Updated to support WooCommerce 2.6 Shipping Zones.
 *
 * @param array $rates Array of rates found for the package.
 * @return array
 */
function my_hide_shipping_when_free_is_available( $rates ) {
	$free = array();
	foreach ( $rates as $rate_id => $rate ) {
		if ( 'free_shipping' === $rate->method_id ) {
			$free[ $rate_id ] = $rate;
			break;
		}
	}
	return ! empty( $free ) ? $free : $rates;
}
add_filter( 'woocommerce_package_rates', 'my_hide_shipping_when_free_is_available', 100 );

How do I show only Local Pickup and Free Shipping?

Hides everything but free_shipping and local_pickup if it’s available and is compatible with Shipping Zones.

/**
 * Hide shipping rates when free shipping is available, but keep "Local pickup" 
 * Updated to support WooCommerce 2.6 Shipping Zones
 */

function hide_shipping_when_free_is_available( $rates, $package ) {
	$new_rates = array();
	foreach ( $rates as $rate_id => $rate ) {
		// Only modify rates if free_shipping is present.
		if ( 'free_shipping' === $rate->method_id ) {
			$new_rates[ $rate_id ] = $rate;
			break;
		}
	}

	if ( ! empty( $new_rates ) ) {
		//Save local pickup if it's present.
		foreach ( $rates as $rate_id => $rate ) {
			if ('local_pickup' === $rate->method_id ) {
				$new_rates[ $rate_id ] = $rate;
				break;
			}
		}
		return $new_rates;
	}

	return $rates;
}

add_filter( 'woocommerce_package_rates', 'hide_shipping_when_free_is_available', 10, 2 );

Show only free shipping in all states except…

Show only free shipping in all states except the exclusion list. Hide free shipping if the customer is in one of the states listed:

/**
 * Hide ALL shipping options when free shipping is available and customer is NOT in certain states
 *
 * Change $excluded_states = array( 'AK','HI','GU','PR' ); to include all the states that DO NOT have free shipping
 */
add_filter( 'woocommerce_package_rates', 'hide_all_shipping_when_free_is_available' , 10, 2 );

/**
 * Hide ALL Shipping option when free shipping is available
 *
 * @param array $available_methods
 */
function hide_all_shipping_when_free_is_available( $rates, $package ) {
 
	$excluded_states = array( 'AK','HI','GU','PR' );
	if( isset( $rates['free_shipping'] ) AND !in_array( WC()->customer->shipping_state, $excluded_states ) ) :
		// Get Free Shipping array into a new array
		$freeshipping = array();
		$freeshipping = $rates['free_shipping'];
 
		// Empty the $available_methods array
		unset( $rates );
 
		// Add Free Shipping back into $avaialble_methods
		$rates = array();
		$rates[] = $freeshipping;
 
	endif;
 
	if( isset( $rates['free_shipping'] ) AND in_array( WC()->customer->shipping_state, $excluded_states ) ) {
 
		// remove free shipping option
		unset( $rates['free_shipping'] );
 
	}

	return $rates;
}