For IB tix, check ur email, the one with 2 pdfs, the first one is the eticket, go to the botttom of page 2, it will tell you the fare, and also look at the tax for YQ. Add fare+yq (and subtract any discounts), multiply by your IB status, 7 for Oro. Then add cabin bonuses.
Similar for AA/BA..

For OW use the OW table.