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Houston → Buenos Aires flights

Houston (IAH) to Buenos Aires (EZE) fares median at $434 across 30 daily snapshots; booking when fares dip toward the $387 p25 mark is your clearest edge.

Target $387–$434 for Houston–Buenos Aires flights

Key takeaways

  • Median fare is $434, based on 30 daily snapshots of the cheapest available cached fares on this route.
  • The bottom quartile sits at $387, meaning roughly one in four sampled days showed fares at or below that level — a realistic target for patient bookers.
  • The floor hit $315 at its lowest, but the ceiling reached $500, producing a 59% spread — wide enough that timing your search does meaningfully affect what you pay.
  • The interquartile range ($387–$455) is where most competitive fares cluster; fares above $455 represent the pricier quarter of observations.
  • With a spread of nearly 60%, this route shows high fare volatility — checking fares across multiple weeks rather than booking on first search is well worth the effort.

30-day price trend

IAH → EZE · cheapest cached fare per day · last 30 days · 15%
$315 low$500 high

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

The full picture

Houston to Buenos Aires is a long-haul South American route with genuinely meaningful price variation. Across 30 daily fare snapshots, the cheapest available tickets ranged from a low of $315 to a high of $500 — a 59% spread that tells you this is not a route where prices sit still. The median of $434 is a useful anchor, but the fact that 25% of observations came in at or below $387 suggests that fares soften with some regularity. If your travel dates are flexible, patience here carries a measurable payoff.

The interquartile range of $387–$455 is where the bulk of competitive fares land. Anything below $387 should be treated as a genuine deal worth acting on quickly; anything above $455 puts you in the more expensive quartile and is worth waiting out if your schedule allows. The absolute low of $315 is an outlier — real, but not something to bank on. Set a fare alert targeting $390 or below and treat anything in that neighborhood as a strong signal to book.

No carrier-level patterns are visible in this dataset, and the data doesn't capture departure-day pricing shifts with enough granularity to make day-of-week booking claims responsibly. What the wide spread does suggest is that fares on this route respond to factors like advance purchase window and seat availability in ways that create real opportunities. One honest caveat: 30 snapshots capture a single rolling window and may not reflect seasonal demand shifts — fares to Buenos Aires can move differently around Southern Hemisphere summer (December–February) and Argentine holidays, so context outside this dataset matters.

Ready to look at fares?

Search IAHEZE on Aviasales →See the price history →
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AI-authored from this route's 30-day price index. Article last regenerated Jun 20, 2026. Fares shift continuously — confirm at booking.

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