Houston → Cancun flights

Houston–Cancún fares cluster near $105 — book early for sub-$110 odds

Key takeaways

• Median fare is $105, based on 30 daily snapshots of the cheapest available cached fares.
• The bottom quartile sits at $101 or less — realistic if you catch the market in a softer window.
• 75% of observations came in under $115, meaning prices above that level are genuinely elevated for this route.
• The spread is 39% (low $99, high $138), indicating meaningful volatility — this route can swing nearly $40 between its best and worst moments.
• At $99, the floor is only ~6% below the median, so dramatic last-minute bargains are not what this route is known for.

30-day price trend

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

The full picture

Houston (IAH) to Cancún (CUN) is a short-haul leisure market — roughly two hours of flying — and the pricing data reflects that: fares are low in absolute terms but not especially stable. The $39 spread between the observed low ($99) and high ($138) represents a 39% range, which is wide enough to matter. Most of the action, though, happens in a tighter corridor. With the 25th and 75th percentiles landing at $101 and $115 respectively, half of all snapshots fell into just a $14 window. That compression tells you the 'normal' price on this route is reliably around $103–$110 — the outlier highs near $138 are the ones worth avoiding.

On booking timing, the data doesn't capture departure dates, so we can't pinpoint an exact advance-purchase sweet spot. What the distribution does suggest is that fares near or below the $101 p25 threshold appear roughly a quarter of the time — these are real prices, not flukes, but they're not guaranteed either. A practical approach is to monitor fares in the $99–$105 range and treat anything above $115 as a signal to wait or search alternate departure days. There's no evidence in this dataset of dramatic last-minute drops; the $99 floor is only 6% below the median, which argues against gambling on a late purchase.

One honest caveat: 30 snapshots give us a solid directional picture, but they represent cached lowest fares at a single daily moment — actual availability at checkout may vary, and prices can move intraday. Treat the $105 median as a reliable benchmark, not a guarantee. If you see a fare in the $99–$101 range, the data suggests that's toward the bottom of what this market typically offers, and waiting materially longer is unlikely to produce a substantially better deal.

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