Divide the price of the ticket by the number of miles a ticket can be purchased for. (lifehacker.com)
Consult the MileagePlus airline partner page to see how many miles your ticket will earn. (upgradedpoints.com)
You do not have to worry about finding a frequent flyer seat at a certain mileage level (the 25000 miles tickets almost are impossible to find and book). (thedigeratilife.com)