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Median Houston to GIG fare is $447 over the last 30 days; fares range $407–$498, so booking isn't highly time-sensitive.
Written from this route's 30-day price index (23 daily samples). Article last regenerated Oct 31, 2026.
See full numbers and stats on the IAH → GIG price history page.
Over the last 30 days, Houston to GIG fares have ranged from $407 to $498, with a median of $447. That's a 22% spread between the cheapest and priciest fares sampled — enough to reward some flexibility, but not the kind of wild swing that demands obsessive tracking. A quarter of the fares we saw came in at $407 or below, so there's a real chance of landing near the bottom of the range if you have flexible dates.
The data doesn't show a clear pattern of fares softening at a specific point in the booking horizon — we only have cached fares across a 30-day window, not a view into how prices moved as departure approached. What we can say is that the middle half of fares clustered between $407 and $469, meaning most travelers are likely to pay somewhere in that band rather than at the extremes. If your fare quote falls above $469, it's worth checking alternate dates before booking.
We don't have enough visibility into carrier mix or day-of-week patterns in this dataset to make specific claims about which airline or weekday tends to be cheaper on this route — so we won't guess. The honest takeaway: with a 22% spread and a solid 23-day sample, this route shows moderate price variation. Treat $447 as a reasonable benchmark, aim for the $407–$469 range if you can be flexible, and don't expect a dramatic discount by waiting for a particular booking window, since nothing in the data points to one.
Why we regenerated this article: Price spread tightened by 25 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 Oct 31, 2026. Fares shift continuously — confirm at booking.