How to Find the Best Cheap Flights to South America in 2026
South America is an increasingly competitive flight market — and that competition works in your favor. With hundreds of airlines flying routes to South America every day and thousands of fares updating in real time, cheap flights to South America from the US are genuinely available if you know where and when to look. United, Delta, American Airlines, LATAM, Avianca, Copa Airlines and Aerolíneas Argentinas compete on major US-to-South America routes — from Miami, Houston, New York and Atlanta — keeping prices lower than most travelers expect. Mytrip searches all of them simultaneously, so you see every option side by side rather than jumping between different sites. Have you ever found a great flight deal to South America, only to watch the price jump $200 the next day? That frustrating guessing game is something every traveler has faced. For your 2026 trip, Mytrip has got your back. Our price lists are updated daily across every major US-to-South America route, showing you exactly where the real deals are right now. View our flight deals to South America 2026.
When is the cheapest time to fly to South America from the US? Shoulder seasons (March–May and September–November) typically offer the best value — prices are moderate, the weather is good and the crowds are manageable. April–June offers competitive fares for most South American destinations. Peak travel season (December–February, South America's summer) commands the highest fares — if your dates are flexible, even shifting by a week, you can save a lot. The growing number of South American airlines and international carriers means your choice of arrival airport directly affects your total fare. Our price list works as a live comparison tool — filter by airline, number of stops, airport and travel dates so your itinerary matches your exact requirements. Start planning your South America trip.
The US-to-South America flight market is competitive because full-service carriers constantly compete with connecting options for the same passengers — keeping fares lower than many travelers expect. Mytrip's price list captures this dynamic in real time, showing you the latest cheap flights to South America across every major US departure city. Once you find a fare that aligns with your 2026 plans, act quickly — the best prices don't last. If you're not quite ready to commit, Mytrip's Flexible Ticket option lets you lock in today's price while keeping your options open for last-minute changes at a small additional cost. Explore our Flexible Ticket options and book a refundable flight to South America.
