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Houston → Cancun flights

Houston to Cancún fares median at $131 across 30 daily snapshots; book when prices dip toward the $121 p25 floor for best value.

Target $121–$131 on IAH–CUN — the sweet spot is tight

Key takeaways

  • Median fare is $131 across 30 daily snapshots — a reliable anchor for budgeting this route.
  • The bottom quartile sits at $121, meaning 25% of observed fares came in at or below that figure — a realistic floor, not a fluke.
  • The top quartile reaches $140, so anything above that starts to look expensive relative to recent norms.
  • At $161, the observed high is 34% above the low — a moderate spread suggesting fares do move, but not wildly.
  • The $10 gap between p25 ($121) and median ($131) is narrow, so the upside of waiting for a deal is limited compared to the risk of prices climbing toward $140+.

30-day price trend

IAH → CUN · cheapest cached fare per day · last 30 days · 14%
$117 low$161 high

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

The full picture

Houston (IAH) to Cancún (CUN) is a short-haul leisure route with a reassuringly tight price band. The 30-day snapshot range of $120–$161 represents a 34% spread — moderate by leisure-route standards — and the interquartile range of just $121 to $140 tells the more useful story: most fares cluster within a $19 window. That compression means you're unlikely to find a dramatic last-minute collapse in price, but equally unlikely to get badly burned if you book a few weeks out without agonizing over timing.

On routes like this, fares typically soften when airlines are filling off-peak departure windows or responding to seat availability. With a p25 of $121 and a median of $131, the practical guidance is: if you see a fare at or below $125, that's in the bottom quartile of recent observations and worth locking in. If you're sitting above $140, you're in the upper quartile — still not outrageous for a beach route, but worth a few days of monitoring before committing. There's no data here pointing to a specific advance-purchase window that reliably unlocks lower fares, so chasing a mythical 'perfect' booking day is probably not worth the effort on this route.

Carrier-level patterns aren't distinguishable from this dataset, so we can't attribute the low-fare observations to a specific airline's seat sale or schedule. What the data does support is a straightforward heuristic: budget $131, be pleased at $121, and reconsider above $145. One honest caveat — 30 snapshots reflect a single rolling window of cached fares and may not capture seasonal demand swings around major holidays, spring break, or hurricane season, all of which can push IAH–CUN pricing well outside this observed band.

Ready to look at fares?

Search IAHCUN on Aviasales →See the price history →
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Why we regenerated this article: Price spread tightened by 18 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 Aug 8, 2026. Fares shift continuously — confirm at booking.

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