WooCommerce shipping method filter based on shipping-class and ship to state.

WooCommerce shipping method filter based on shipping-class and ship to state.
<?php

add_filter( 'woocommerce_available_shipping_methods', 'custom_shipping_methods' );

function custom_shipping_methods( $available_methods ) { 

$carrier = 'ups';

foreach ( WC()->cart->cart_contents AS $item ) { 

if ( has_term( 'large-item', 'product_shipping_class', $item['product_id'] ) ) { 

$carrier = 'usps';

continue;

}

}

$states = array( 'AK', 'HI' );

if ( ! in_array( WC()->customer->get_state(), $states ) ) { 

$available_methods = wp_filter_object_list( $available_methods, array( 'method_id' => $carrier ), 'NOT' );

}

return $available_methods;

}

Add this code in your theme function.php file.