The key to taking advantage of low-cost carriers like Frontier ... booking online—depending on the date and time of your flight. You would pay $60 to 66 for paying before check-in online ...

It’s important to contact Frontier Airlines either through ... your identification at the time of check-in. You can also initiate the correction online through their website, but calling ...

Phoenix Sky Harbor is one of three airports to get Frontier Airlines' new flights to this Pacific Northwest city. Here's how ...

Southwest Airlines, which has not charged passengers for their first two checked bags since its founding nearly six decades ...