We used to tour for other bands, a lot. Which meant trying to find ways to save on travel. FWIW, if you have the means/desire/ability, and depending on your location, one of the best tricks we used was this:
Wait until Southwest Visa doubled its bonus points for credit card signup - they should be running a promotion again sometime soon. This equalled 50,000 southwest points. You have to monitor a deal site like slickdeals who will alert you to the sale. When this occurred, we would both open a credit card to a total of 100,000 points. This is equivalent to 4 free cross-country round trip tickets or even more same-side-for-the-country tickets. When all was said and done, we would then close the accounts. There is a yearly fee though, but it is less than the cost of a single, short flight.
It's not a solution for everyone obviously, but it has always worked well for us.