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Houston → Buenos Aires flights

Fares from Houston (IAH) to Buenos Aires (EZE) median at $375 across 30 snapshots — book early and stay below the $500 p75 threshold to avoid paying nearly double.

Target $313–$375 for Houston–Buenos Aires; avoid peak spikes

Key takeaways

  • Median fare is $375, but the bottom 25% of snapshots came in at or below $313 — a meaningful target for patient bookers.
  • The lowest recorded fare was $295, while the high hit $653, a spread of 121% that signals real volatility on this route.
  • Staying below the $500 p75 mark is a practical filter — once fares cross that level, you're in the more expensive half of observed prices.
  • With a 121% spread, this route rewards flexibility: locking in near the $313–$375 range represents genuine savings versus booking blind.
  • 30 daily snapshots back these figures, a solid sample for directional guidance, though seasonal demand shifts can push prices outside this observed window.

30-day price trend

IAH → EZE · cheapest cached fare per day · last 30 days · 4%
$295 low$653 high

See full numbers and stats on the IAHEZE price history page.

The full picture

The Houston IAH to Buenos Aires EZE route shows a median fare of $375, but the distribution tells a more useful story. A full quarter of the 30 daily snapshots captured fares at or below $313 — meaning budget-friendly windows do appear, they just don't stick around. The $295 floor suggests genuine sale inventory surfaces occasionally, while the $653 ceiling is a reminder that this long-haul South American route can get expensive fast, particularly around Argentine holidays, U.S. peak travel periods, and school-break windows.

The 121% spread between low and high is notably wide for a single route, which has a practical implication: booking opportunistically matters more here than on a tightly priced domestic corridor. Rather than anchoring to the median, treat $313 (p25) as your benchmark — if you see fares in that range, the data suggests you're in the bottom quartile and should strongly consider confirming. Fares above $500 (p75) indicate you're already in the more expensive half of observed prices, and waiting further in that zone carries risk rather than reward. For a route of this distance (~5,400 miles), the typical booking advice of 4–8 weeks out for international South America travel is consistent with capturing fares in the lower range.

Day-of-week departure patterns and carrier-specific behavior aren't directly visible in this dataset, so claims about flying on a particular weekday producing savings would go beyond what the data supports. What is clear is that the interquartile range ($313 to $500) represents the realistic planning band for most travelers — a $187 swing that's wide enough to make timing meaningful. One honest caveat: these snapshots reflect cached fares at the moment of capture and may not fully represent last-minute availability or flash sales that appear and disappear within hours.

Ready to look at fares?

Search IAHEZE on Aviasales →See the price history →
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Why we regenerated this article: Median fare ↑ 19% ($315 → $375). 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 Aug 8, 2026. Fares shift continuously — confirm at booking.

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