A Delta mile does not equal an Alaska Airlines mile. The former has a more expensive award chart, imposes fuel surcharges in more situations, and has access to less Saver award space.

All miles are worth different amounts.

In this post, I'll list the top 11 most valuable miles to me and my valuation for those miles. First a few caveats:

I am not including transferable points.

Your ability to book affordable travel depends heavily on your knowledge of the tools available to help you.