Houston → Rio de Janeiro flights

Houston–Rio runs tight: budget around $390 for this route

Key takeaways

• $390 is both the median and the floor across 11 daily snapshots — the price rarely goes lower.
• The top of the observed range is $433, a spread of just 11% from low to high.
• P25 and P75 both sit at $390 and $433 respectively, meaning fares split cleanly between two price tiers with little in between.
• With only 11 samples, conclusions are directional — treat this as a strong signal, not a guaranteed floor.
• The narrow spread suggests limited room to time the market; grabbing $390 when available is the practical play.

30-day price trend

See full numbers and stats on the IAH → GIG price history page.

The full picture

Fares between Houston (IAH) and Rio de Janeiro (GIG) display an unusually compressed range in our data. Across 11 daily snapshots, the cheapest available fares ran from $390 to $433 — an 11% spread that is notably tighter than most long-haul international routes. The median sits squarely at $390, which also happens to be the observed low, suggesting that when this route is priced competitively it tends to land at a consistent floor rather than offering a wide band of opportunity.

The interquartile structure reinforces this picture: P25 is $390 and P75 is $433, implying fares on this route essentially move between two discrete price points rather than sliding gradually. That binary behavior is a practical cue — when you see $390, it represents the better tier, and waiting for something cheaper is unlikely to pay off based on the data at hand. By contrast, the $433 fares aren't dramatically more expensive, so the urgency to pounce isn't extreme either. Still, if your travel budget is fixed, targeting the $390 tier is a clear and achievable goal.

One honest caveat: this analysis rests on 11 data points, which is a thinner sample than we'd prefer for high-confidence guidance. The tight spread could reflect a genuinely stable fare environment on IAH–GIG, or it could simply be an artifact of sampling during a narrow time window. Carrier-level patterns and day-of-week dynamics aren't distinguishable from this dataset, so we've avoided speculation on those fronts. Monitor fares over a few days; if $390 appears, the data gives no strong reason to expect it to drop further.

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