Washington → Cancun flights

Budget $159–$175 for Washington to Cancún — book early

Key takeaways

• $159 is both the median and the low — and the 25th percentile, meaning at least half of all 30 daily snapshots landed at exactly this floor price.
• 75% of fares came in at $175 or below, so the realistic 'normal' range is narrow: roughly $159–$175.
• The high was $224, about 41% above the floor — a meaningful spike that shows prices can jump sharply when inventory tightens.
• The $16 gap between p25 and p75 is unusually tight, suggesting $159 is a common promotional floor that carriers reset when seats fill.
• Given the flat lower end, there is no meaningful benefit to waiting — if you see $159, that is the best the data predicts you'll do.

30-day price trend

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

The full picture

The fare landscape between Washington Reagan (DCA) and Cancún tells a story of two modes: a sticky floor and an occasional spike. Across 30 daily snapshots, the cheapest available fares sat at $159 on at least half of all days observed — this is simultaneously the median, the low, and the 25th percentile. That kind of compression at the bottom typically indicates a promotional or baseline fare being actively maintained by at least one carrier, rather than prices in free fall. The interquartile range of just $16 (p25 $159 to p75 $175) reinforces this: when you're not at the floor, you're only modestly above it.

The outlier worth noting is the $224 high — a 41% spread from low to high on a route that otherwise looks stable is a real warning. That upper tail almost certainly reflects last-minute or low-inventory windows where the baseline fares have sold out. The practical implication is that the booking window matters less as a 'find a sweet spot' exercise and more as a 'don't miss the floor' discipline. When $159 fares are showing, the data gives you no reason to expect they'll drop further. Waiting risks landing in that $175–$224 band instead.

Carrier-level patterns are not visible in this dataset, so specific airline recommendations aren't warranted. Similarly, day-of-week booking effects are not something the 30-day snapshot structure here can reliably distinguish. One honest caveat: 30 snapshots capture a single rolling window and may not reflect seasonal demand shifts — Cancún fares can behave differently during spring break or hurricane season, periods that could produce highs well beyond the $224 ceiling seen here.

Ready to look at fares?

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• Price history
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