To compare between a few different booking services, I built a particular itinerary and priced it out on each online travel agency or portal. (upgradedpoints.com)
While I've included each of the stops on my particular itinerary, these can change slightly depending on weather. (ordinarytraveler.com)
For example, American charges 40,000 AAdvantage miles for this particular itinerary. (rewardexpert.com)