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Houston → Rio de Janeiro flights

Houston (IAH) to Rio de Janeiro fares show a $393 median across 30 snapshots — book early and monitor for dips toward the $342 floor.

Target $342–$393 for Houston–Rio; spread is wide enough to matter

Key takeaways

  • Median fare is $393, based on 30 daily snapshots of the cheapest cached fares on this route.
  • Bottom quartile sits at $342, meaning roughly one in four snapshots showed fares at or below that level — a realistic target for patient bookers.
  • The top quartile reaches $424, so waiting too long risks fares climbing into the $424–$484 range.
  • A 42% spread between low ($342) and high ($484) means timing genuinely affects what you pay — this is not a flat-fare route.
  • The $142 gap between floor and ceiling is large enough to justify setting a fare alert and checking prices over several weeks rather than booking on impulse.

30-day price trend

IAH → GIG · cheapest cached fare per day · last 30 days · 23%
$342 low$484 high

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

The full picture

The Houston-to-Rio de Janeiro market shows meaningful price volatility by the standards of a long-haul South American route. With a median of $393 and a floor of $342, there is real money on the table — roughly $50 off median, or about 13% — for travelers who track fares consistently rather than booking on first search. The 42% spread between the absolute low and high ($342 vs. $484) is wide, signaling that inventory management and load factors are actively shifting prices on this corridor. In practical terms, that $484 ceiling is not a rare outlier to ignore.

On a route of this distance and price point, fares typically soften in two windows: well in advance (roughly 6–10 weeks out, when airlines seed inventory with promotional fares) and occasionally close-in when premium cabins fill but economy seats remain. The p25 of $342 aligning exactly with the observed low suggests that the cheapest fares appeared in clusters — not randomly — which is consistent with periodic fare sales rather than steady day-to-day decline. If you see fares in the $342–$370 range, the data suggests that is genuinely toward the bottom of what this route offers; don't expect to do much better.

The data does not surface a dominant carrier or day-of-week pattern with enough resolution to make specific airline or departure-day recommendations confidently. One honest caveat: 30 snapshots capture a single rolling window and may not reflect seasonal demand shifts — Rio's peak summer (December–February) and Carnival period historically push fares higher, and those surges may not be fully represented here. Use this range as a baseline, not a guarantee.

Ready to look at fares?

Search IAHGIG on Aviasales →See the price history →
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Related travel pages

Why we regenerated this article: Price spread widened by 11 points. 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 Sep 5, 2026. Fares shift continuously — confirm at booking.

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