Originally Posted by Mwenenzi

A guide, but does not have all ffp's or consider the detailed ffp rules-->https://www.awardhacker.com/
Also consider cash co-payment if any. Real taxes will apply
The "cheapest" means nothing if no availability.
Many ffp's are tending to dynamic awards with no award chart. Or very little standard/saver awards from the chart.
Earn to burn varies by ffp. But many credit cards transfer at the same rate.