Upvote:1
It certainly is a viable idea and it is being done by business travelers though not for the same purpose.
Going forward all rates and sizes are taking from current USPS information
If you will be able to fit your luggage into a 12"x12"x5.5" box and ship it to your destination using priority mail you can certainly save money if you do not insure the package for more then a standard $100 making the insurance $500 makes the the cost identical to the $25 you will pay for a checked bag on a flight.
Now if you consider other aspects of the situation:
And the last but not least if you are able to fit your belongings into 12"x12"x5.5" box you can just as easily fit it into a carry-on bag like this Samsonite.
So before you decide to do or not to do this check your reasoning for why are you actually trying to do this.