Through Friday, Frontier's newly announced sale puts more than 1,900 routes on sale to destinations like Las Vegas, Orlando, and Washington, D.C., among others. But compare fares with Frontier's competition: American, Delta, and AirTran.
Aer Lingus' latest Europe sale features destinations in Eastern and Western Europe including Barcelona, Krakow, London, Paris, and Rome. American, Delta, Lufthansa, and US Airways offer competitive, and sometimes cheaper, rates.
Visit the Marvelous City, and the future site of the 2016 summer Olympic Games, with US Airways. Flights to Rio de Janeiro, Brazil start at $653 round-trip from the East Coast and $938 from the West Coast. Copa Airlines and Continental try to compete.
AirTran just announced its latest sale featuring more than 40 departure cities and over 3,300 routes. On its heels is American with a similar fare promotion. Head to head, one airline is a clear winner with US Airways also competing.
