Seven years ago, budget airlines were on a roll.
With rock-bottom fares and tons of flights to vacation hot spots, ultra-low-cost carriers like Spirit Airlines and Frontier Airlines raked in cash by wooing travelers with the chance to fly for less than the cost of a meal out — especially if you could fit all your stuff into one backpack.
Now, U.S. discounters might be up against their biggest test yet.
A great solo travel tip spotted this week on The Points Guy Articles.
