Set “flat rate” shipping method as default in woocommerce

I have a woocommerce website and I have set 2 shipping methods:
– Flat Rate
– Local pickup

I would like to set the “Flat rate” shipping method as default (selected) in the cart or checkout page.

Any help should be appreciated.

Answer

1) You can use the following code (to set “flat rate” shipping method as default) In cart page:

add_action( 'woocommerce_before_cart', 'set_default_chosen_shipping_method', 5 );
function set_default_chosen_shipping_method(){
    //
    if( count( WC()->session->get('shipping_for_package_0')['rates'] ) > 0 ){
        foreach( WC()->session->get('shipping_for_package_0')['rates'] as $rate_id =>$rate)
            if($rate->method_id == 'flat_rate'){
                $default_rate_id = array( $rate_id );
                break;
            }

        WC()->session->set('chosen_shipping_methods', $default_rate_id );
    }
}

Code goes in function.php file of your active child theme (active theme or in any plugin file).

Tested and Works in WooCommerce 3+

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2) You can also reorder the shipping rates in your shipping zones settings (but it doesn’t really works as the last chosen shipping method take the hand).