Morales, long a fierce critic of US policy toward Latin America, received a hero's welcome from a cheering crowd in La Paz airport late Wednesday night.
His return followed a dramatic, unplanned 14-hour layover in Vienna that ignited an international diplomatic row.
Bolivia's government said France, Spain and Portugal refused to let the president's plane through their airspace, forcing it to land in Austria. He was flying home from a summit in Russia.
Several South American presidents were headed to the Bolivian city of Cochabamba on today to show their support for the leftist leader.
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Morales said the incident involving his plane was a provocation to the region, and he urged European nations to "free themselves" from the US "The United States is using its agent (Snowden) and the president (of Bolivia) to intimidate the whole region," he said.
Morales said he never saw Snowden when he was in Russia, and that Bolivia had not received a formal request for asylum for him. While still in Russia he had suggested that he was willing to consider giving Snowden asylum in Bolivia.
Ecuadorean Foreign Minister Ricardo Patino has said that the presidents of Argentina, Venezuela, Peru, Ecuador, Bolivia, Suriname and possibly Uruguay will attend the summit in Cochabamba to discuss the matter. Bolivia said earlier it also would summon the French and Italian ambassadors and the Portuguese consul to demand explanations.