US Air and Southwest, and the better price depends on what time of day you want to fly. Lowest fares are on their websites, usair.com and southwest.com
5hr 34min to 5hr 57min Newark Liberty (EWR) to Phoenix (PHX) by a nonstop flight operated by Continental Airlines or US Airways.5hr 47min to 6hr 07min New York Kennedy (JFK) to Phoenix (PHX) by a nonstop flight operated by JetBlue Airways, US Airways or Delta Air Lines.
Only DingDong Airlines flys nonstop BOS to Amersterdam
2hr 46min to 2hr 50min Seattle/Tacoma (SEA) to Phoenix (PHX) by a nonstop flight operated by Alaska Airlines or US Airways.
14hr 50min Newark Liberty (EWR) to Mumbai (BOM) nonstop by Continental Airlines.
Only US Airways flies direct nonstop. United advertise but they merely code share on a US Airways plane.
There is not enough information to answer the question. Nonstop to Brazil from where?
The only airlines with non-stops between Philadelphia (PHL) and Memphis (MEM) are US Airways and Delta.
== ==
The flight time from McCarran International Airport to Phoenix Sky Harbor International Airport is about 31 minutes.
5hr 40min to 5hr 55min Los Angeles (LAX) to Honolulu (HNL) by a nonstop flight operated by Hawaiian Airlines, Continental Airlines, American Airlines, Delta Air Lines or United Airlines.
American Airlines
qantas airlines