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IAH–Cancún fares had a $126 median over the last 30 days; book within a few weeks of travel since prices stay fairly tight.
Written from this route's 30-day price index (30 daily samples). Article last regenerated Nov 7, 2026.
See full numbers and stats on the IAH → CUN price history page.
Over the last 30 days, every day in the window had a cached fare for IAH–Cancún, giving a solid, consistent picture of pricing. The median sat at $126, with most fares clustering between $122 and $140 — the middle half of all observed prices. The floor was $115 and the ceiling $147, a 28% spread that's moderate: not enough volatility to suggest dramatic swings, but enough that waiting for a dip below $120 isn't unreasonable if you have flexibility.
Because the spread is moderate rather than tight, there's some benefit to shopping around within a normal booking window — roughly three to six weeks out for leisure routes like this one — rather than assuming any single day will unlock a dramatically better price. The data doesn't show a clear cliff where fares drop sharply closer to departure or further out; it shows a fairly stable band of pricing throughout the window, which suggests this route doesn't reward aggressive last-minute gambles or ultra-early booking strategies specifically.
We don't have visibility into a dominant carrier or specific day-of-week patterns from this dataset, so we can't say whether certain departure days or airlines are driving the cheaper end of the range. What we can say with confidence: if you see a fare at or below $122, you're in the cheaper quartile of what's actually been available, and $140+ is paying toward the top of the recent range. The honest caveat is that this is a snapshot of cached fares over one 30-day period — it reflects recent market behavior well, but it's not a guarantee of future pricing, and seasonal demand shifts (holidays, spring break) could move this band in either direction.
Why we regenerated this article: Scheduled refresh after 35 days. 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 Nov 7, 2026. Fares shift continuously — confirm at booking.