December travel from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE) combines U.S. winter departures with Argentine summer arrivals. December is peak season in Buenos Aires and popular for holiday and summer vacations, so book flights early and consider flexible dates to lock in lower fares. Expect one-stop itineraries via Los Angeles (LAX), Dallas (DFW), or other major hubs; total travel time typically ranges from 14 to 22 hours depending on layovers. Packing tips: bring sun protection and light clothing for Buenos Aires, an adapter for electronics, and a carry-on with essentials for possible long layovers. Nearby destinations accessible from ONT include Los Angeles, San Diego, Las Vegas, Palm Springs, and San Francisco, while EZE provides gateway access to Buenos Aires city center, Tigre, Mar del Plata, Ushuaia, and Mendoza. Book now to secure holiday seats—search cheap flights from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE) today.
December arrivals at Ministro Pistarini International Airport (EZE) mean stepping into Argentine summer: expect warm temperatures, lively streets, and high tourism activity in Buenos Aires. Airport operations increase for holiday travel, so anticipate longer immigration and baggage lines and plan ground transportation in advance for trips to Buenos Aires, Tigre, Mar del Plata, Mendoza, or Ushuaia. Currency options include ATMs and official exchange counters; credit cards are accepted widely but carrying pesos is recommended for smaller vendors. For domestic connections, consider allowing extra buffer time or booking through-tickets to streamline transfers.