The cheapest order to fly Buenos Aires, Santiago and Lima from Sao Paulo
There are 6 ways to fly these cities. They do not cost the same. The cheapest works out at about R$3,040 a person and the most expensive at R$3,425, a difference of R$385 for visiting exactly the same places.
Fly them in this order
Sao Paulo → Buenos Aires → Santiago → Lima → Sao Paulo
About R$3,040 per person in flights, based on fares recently seen on these routes.
Shown in Brazilian reals, converted from US dollars at today’s rate, so every amount is approximate. In dollars the cheapest order is about $568. You pay in the airline’s currency.
Every order, priced
- Sao Paulo → Buenos Aires → Santiago → Lima → Sao PauloR$3,040cheapest order
- Sao Paulo → Lima → Santiago → Buenos Aires → Sao PauloR$3,056R$16 more per person
- Sao Paulo → Lima → Buenos Aires → Santiago → Sao PauloR$3,259R$219 more per person
- Sao Paulo → Santiago → Lima → Buenos Aires → Sao PauloR$3,264R$225 more per person
- Sao Paulo → Buenos Aires → Lima → Santiago → Sao PauloR$3,414R$375 more per person
- Sao Paulo → Santiago → Buenos Aires → Lima → Sao PauloR$3,425R$385 more per person
Why Buenos Aires first
- Sao Paulo to Buenos AiresR$599
- Buenos Aires to SantiagoR$808
- Santiago to LimaR$653
- Lima to Sao PauloR$979
- Out of Sao Paulo, Buenos Aires is the cheapest first stop at about R$599. Santiago would be R$835.
- Going home, the cheapest flight leaves from Santiago at about R$862, but the cheapest order ends in Lima at R$979 because the rest of the route is cheaper that way.
- Lima to Buenos Aires is about R$765, but the other way round is R$1,172. Same two cities, R$407 apart on direction alone.
- The dearest order pays R$1,172 for Buenos Aires to Lima, a flight the cheapest order never takes.
Between the cities
- Buenos Aires to Santiago: about 1,140 km (710 miles) as the crow flies. No train or bus we would suggest instead of flying.
- Santiago to Lima: about 2,470 km (1530 miles) as the crow flies. No train or bus we would suggest instead of flying.
Entry rules for Argentina, Chile and Peru depend on your passport. Check them with the IATA Travel Centre before you book.
How much the order matters here
Getting the order right is worth R$385 a person on this trip, 13% of what the cheapest way round costs. Of the 72 trips we price in full, that is number 62 for how much the order matters, one of the smaller gaps: on this trip your dates are likely to matter more than the order.
What these numbers are
Cached one-way fares, 12 of 12 legs priced from real observations, put together on October 29, 2026, from fares departing October 29, 2026 onwards. Right for comparing one order with another, not a quote for your dates.
A plan prices your own dates and weighs hours as well as fares, so it can pick a different order from this page.
Put dates on it
Same cities on real dates, plus what one search cannot show: layovers long enough to count as a free city, two tickets that beat one, and cheaper days either side. No account and no card.
One press starts it on January 2, 2027 to January 16, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.
Plan Buenos Aires, Santiago and Lima from Sao Paulo nowOpen the form instead and pick your own datesSigned out, 3 plans a day per address, priced from cached fares and the free sources, so some legs may be estimates and the plan says which. Signed in, legs are checked live, with 2 free trips you can change afterwards.