Flyers can also get a free checked bag for flights departing May 28 through Aug. 18, using promo code “FREEBAG.” But if you want these deals, you’ll need to hurry.

Famously, the hybrid giant Southwest Airlines, allowed free checked bags until 2025. However, these three low-cost carriers have long sought to generate additional revenue by levying fees on bags.

If you frequently fly Frontier and don't mind paying an annual fee, it may be worth picking up the airline's card. But you ...

As Southwest Airlines—one of the last holdouts—finally joins the masses and starts charging passengers for checked bags, CBS News looks at the eye-popping amount of money such charges bring in ...