If it's only a filling it would be a nominal fee basically ranging in a three digit figure. Now for crowns or a cap as you mention options are many, choice would depend on the tooth to be crowned/capped. Price ranges from three digit to a more expensive four digit lithium disilicate crowns.
Next Steps
Follow up with dentist near you, you can use practo to locate.
Health Tips
Look at options which will help and serve at longevity.