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Miami → Buenos Aires flights

Miami to Buenos Aires fares typically run around $239; track prices over several weeks to catch bottom-quartile fares near $196.

MIA–EZE fares cluster near $239, but outliers push past $270

Key takeaways

Median fare across 30 days of snapshots sits at $239
Bottom quartile (25th percentile) fares come in at $196, worth waiting for
Top quartile fares climb to $253, with the observed ceiling at $272
Spread of 39% between low and high — this route has meaningful room to save by watching prices
Sample reflects 30 daily snapshots, a solid base for the patterns described here

30-day price trend

MIA → EZE · cheapest cached fare per day · last 30 days · ↑ 9%

$196 low$272 high

See full numbers and stats on the MIA → EZE price history page.

The full picture

Fares on Miami to Buenos Aires ranged from $196 to $272 over the 30-day sample, a 39% spread that signals real volatility rather than a flat, predictable market. With a median of $239 and a 25th percentile of $196, there's a meaningful tranche of cheaper fares available to travelers who can afford to wait and watch rather than book the first price they see. The 75th percentile at $253 suggests that even on pricier days, fares rarely run far past the median — the real outliers are on the low end.

Given this spread, the data supports a strategy of monitoring prices over multiple weeks rather than booking reflexively. Because this is a long-haul international route to South America, fares tend to soften when booked further from departure, though our snapshot data doesn't let us pinpoint an exact optimal window — we can only confirm that the bottom-quartile fares ($196) do appear within the 30-day sample, meaning they're not rare or theoretical. Travelers with flexible dates and the ability to check back periodically stand the best chance of landing near that lower band.

We don't have visibility into a dominant carrier or clear day-of-week booking patterns from this dataset, so we won't speculate on which airline or weekday tends to be cheaper — that would be guessing dressed up as insight. The honest takeaway: budget around $239 as your expected fare, treat anything near $196 as a good deal worth booking quickly, and be aware that a 39% spread means patience can pay off, but there's no guaranteed trigger point in this data for exactly when to pull the trigger.

Ready to look at fares?

Search MIA → EZE on Aviasales →See the price history →

Related travel pages

Why we regenerated this article: Bottom quartile ↓ 18% ($240 → $196). We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.

AI-authored from this route's 30-day price index. Article last regenerated Oct 10, 2026. Fares shift continuously — confirm at booking.