Frontier's summer free bag promotion starts the same day Southwest will end its famous policy.

I was flying from Denver to Orlando on Frontier Airlines. I prepaid for my checked luggage. I only had one carry-on bag and a small personal item, both of which were within the size limits. But when I ...

Checking a bag is something frequent flyers try mightily to avoid. It adds time, extra logistics, and cost to air travel. When little ones come along, however, packing light just isn't always possible ...

With airfares on the rise, budget carriers like Frontier and Spirit look tempting—but hidden fees can flip the math fast.