With prices starting at $118 round-trip, Northwest's holiday sale fares are comparable to those of other airlines, including American and United. AirTran, Delta, and Frontier are also competing on some routes and travel dates.
Through Thursday, November 5, Southwest is offering flights to cities across the country including Chicago, Las Vegas, and San Francisco. Travel is valid through early February and JetBlue, AirTran, American, and others match or beat prices.
