Award Travel is matter to taxes and costs and provider-imposed fees that are the duty with the passenger and should be paid at the time the ticket is booked. Award Seats are constrained and might not be out there on all flights or in all markets. Rate alerts on https://www.diigo.com/item/note/aa9i2/93np?k=aabccc58262b97c8b372640a1f40cae8