If you wanted to change the display pattern of the currency in the single trip pages then you can do so by activating the child theme.

Please refer to below-given link to know how you can create and activate the child theme:

Child Theme

After activating the child theme in your child theme’s  functions.php add below given code.

function wp_travel_customize_sale_price_display( $s, $c, $d ) {
  return sprintf( esc_html__('%1s %2s', 'wp-travel' ), number_format( $d , 2 ), $c );
}
add_filter( 'wp_travel_itinerary_sale_price', 'wp_travel_customize_sale_price_display', 99, 3 );


function wp_travel_customize_price_display( $s, $c, $d ) {
  global $wp_travel_itinerary;
  if ( $wp_travel_itinerary && $wp_travel_itinerary->is_sale_enabled() ) {
  	 return  sprintf( esc_html__(' %1s %2s', 'wp-travel' ), number_format( $d , 2 ), $c );
    // return $s;
  }
  return sprintf( esc_html__('%1s %2s', 'wp-travel' ), number_format( $d , 2 ), $c );
}
add_filter( 'wp_travel_itinerary_price', 'wp_travel_customize_price_display', 99, 3 );



Before Adding code:

After adding code: