August is the cheapest month to fly this route, with average fares around $630 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $676 | $658 | ||
| June 2026 | $686 | $611 | Peak | |
| July 2026 | $684 | $583 | ||
| August 2026 | $630 | $542 | Best |
Departing on Tuesday offers the lowest average fares at $633. Saturday departures are the most expensive at $711, a difference of $78.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Miami to Santiago is August, with average round-trip fares around $630. The lowest fare found in August is $542.
Tuesday departures are the cheapest, averaging $633 round trip. The most expensive day is Saturday at $711.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $686 compared to $630 in the cheapest month. July is a solid middle-ground option at $684.
Flying in August instead of June can save you approximately $56 per round trip. The cheapest month averages $630 while the most expensive averages $686.
Airlines, flight times, price calendar, and more for Miami to Santiago
View MIA → SCL Details