The carrier is making changes to its domestic and international offerings this summer.

Frontier Airlines is instituting a "planned, seasonal pause" of its service at McGhee Tyson Airport.

They involve 14 airports across the US. See all the eliminated routes here!

Frontier Airlines is preparing to pull back from San José, Costa Rica, removing its service at Juan Santamaría Airport from the schedule as part of a wider network adjustment by the low-cost U.S.

In a bid to fill gaps left by defunct Spirit Airlines, Frontier Airlines added eight routes, including between Fort Lauderdale and Detroit, to its schedule this week.

Frontier Airlines is adding three domestic nonstop routes from DFW International Airport to three major airports, the Denver-based carrier said Wednesday. The airline will begin flying three times per ...

Frontier Airlines launches service on eight routes previously operated by Spirit Airlines, expanding its network across Florida, the Caribbean, and Latin America.