Ultra-low-cost, Allegiant, has launched four nonstop flights from Portland, connecting the West Coast and the Heartland.

Allegiant Airlines has launched twice-weekly low-cost flights from Stockton Metropolitan Airport to Denver International Airport. Here's what to know.

An especially strong March and a record-setting day in April seem to foreshadow a positive summer for Dulles International ...

There's no such thing as a free flight, and that's true for all but the youngest travelers among us (ages 2 and under). Many or all of the products on this page are from partners who compensate us ...

Allegiant begins service today from Cincinnati/Northern Kentucky International Airport (CVG) to Gulf Shores, Alabama and ...