we’re thrilled to further expand our route map,” Josh Flyr, the vice president of network and operations design at Frontier Airlines, said in a statement. “More destinations served means ...

Southwest and Spirit Airlines. Cincinnati is served by Allegiant Air and Delta, while Phoenix has service by American and Southwest. The new routes mean Frontier is doubling the number of cities ...

Frugal San Diego travelers who don't mind getting less service when they fly got some good news on Tuesday when Frontier Airlines announced three new nonstop routes. The additional cities brings ...