Event Tickets > For ticketed events, it filter the event cost to only consider ticket price if on sale.

functions.php

<?php
/**
  * For ticketed events, it filter the event cost to only consider ticket price if on sale.
  * 
  * From: https://gist.github.com/vicskf/e9f4763809d825a2b768fe83a945c2fd
  */

add_filter( 'tribe_get_cost', 'custom_tribe_get_cost', 10, 3 );

function custom_tribe_get_cost ( $cost, $post_id, $with_currency_symbol ) {

	if ( ! tribe_events_has_tickets( $post_id ) ) {
		return $cost;
	}

	$currency_symbol = '';
	if ( $with_currency_symbol ){
		$currency_symbol = get_post_meta( $post_id, '_EventCurrencySymbol', true );
	}

	$prices = array();

	foreach ( Tribe__Tickets__Tickets::get_all_event_tickets( $post_id ) as $ticket ) {
		
		if ( tribe_events_ticket_is_on_sale( $ticket ) ) {
			if ( !empty( $ticket->price ) ) {
				$prices[] = $currency_symbol . $ticket->price;
			}
		}

	}
	
	$cost = implode( ", ", $prices );
	
	return $cost;
}