Frontier's latest promotion features domestic travel to Denver, Las Vegas, San Diego, and more. Most of the fares are matched by American, Delta, and United, so Frontier has competition.
Alaska Airlines' latest sale offers domestic, Mexico, and Canada travel from early January through March 2010. Competitors like American, Delta, Mexicana, and more trump several sale fares.
AirTran's latest sale offers travel to U.S. and Caribbean destinations through spring. The fares are solid and Delta, JetBlue, Midwest, and other carriers jump on the low-fare bandwagon.
With fares from $47 one-way, this sale may help you avoid the post-holiday blues this winter. Many of Southwest's fares fall short; luckily, American, JetBlue, and more carriers fill in the gaps.
Low-cost king Southwest has just put the season's busiest travel dates on sale, with flights starting at $58 one-way or $116 round-trip. American, United, Virgin America, and more compete.
