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Houston → Santiago flights

Median fares on IAH–SCL sit at $431 across recent snapshots; the floor hit $376, suggesting occasional softening worth monitoring over a 2–4 week booking window.

Budget around $431 for Houston–Santiago, but watch for $376 dips

Key takeaways

  • Median fare is $431 — that's the price you should use as your planning anchor for Houston–Santiago.
  • The low recorded was $376, about 13% below median, indicating periodic dips are possible but not guaranteed.
  • Both p25 and p75 sit at $431, meaning most snapshots clustered tightly at median — the $376 low is an outlier, not a trend.
  • Spread of 15% is right at the threshold of meaningful variability — barely enough to justify aggressive timing strategies.
  • Sample size is only 7 days — treat these figures as early signals, not a statistically robust forecast.

30-day price trend

IAH → SCL · cheapest cached fare per day · last 7 days · 15%
$376 low$431 high

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

The full picture

The fare data for Houston (IAH) to Santiago (SCL) tells a notably compressed story: with both the 25th and 75th percentile pinned at $431, the vast majority of daily snapshots returned the exact same cheapest fare. That kind of clustering suggests limited seat-level competition at the low end of the market on most days — the route likely has few carriers fighting aggressively for the bottom bucket. Your realistic planning number is $431, and you should treat anything below that as a bonus rather than an expectation.

The one exception is the $376 low, which represents roughly a 13% discount from the median. Dips like that do happen — typically when carriers release unsold inventory or run short promotional windows — but with only 7 daily snapshots in this dataset, it's impossible to say how frequently that floor appears or how long it holds. A reasonable approach is to set a fare alert at or below $390 and check back across a 2–4 week window before your intended travel date. Booking too far in advance on long-haul South American routes can sometimes mean paying a premium before consolidation sales kick in, though that pattern isn't directly visible in this data.

Carrier and day-of-week patterns aren't discernible from the current dataset, so any guidance on that front would be speculation. What the data does support: $431 is the line to beat, $376 is achievable but rare in this sample, and the spread — while technically at the 15% threshold — is driven almost entirely by a single outlier. Book confidently near median if your schedule is set; if you have flexibility, a brief monitoring period of two to three weeks may occasionally surface that lower floor. The honest caveat here is that seven snapshots is a thin basis for confident timing advice — treat this as directional guidance and revisit as the sample grows.

Ready to look at fares?

Search IAHSCL 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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