May is the cheapest month to fly this route, with average fares around $310 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $310 | $297 | Best | |
| June 2026 | $331 | $244 | ||
| July 2026 | $406 | $304 | Peak | |
| August 2026 | $355 | $329 |
Departing on Wednesday offers the lowest average fares at $321. Sunday departures are the most expensive at $397, a difference of $76.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Buenos Aires to Sao Paulo is May, with average round-trip fares around $310. The lowest fare found in May is $297.
Wednesday departures are the cheapest, averaging $321 round trip. The most expensive day is Sunday at $397.
Based on current pricing trends, booking for May travel offers the best value. Avoid July if possible, as fares average $406 compared to $310 in the cheapest month. August is a solid middle-ground option at $355.
Flying in May instead of July can save you approximately $96 per round trip. The cheapest month averages $310 while the most expensive averages $406.
Airlines, flight times, price calendar, and more for Buenos Aires to Sao Paulo
View EZE → GRU Details