Washington → Cancun flights

DCA→CUN: $174 is the norm — but watch for $304 spikes

Key takeaways

• Median fare is $174 across 30 daily snapshots — a reliable anchor for budgeting this route.
• Half of all sampled fares fell between $171 and $187 (p25–p75), meaning the typical price window is unusually tight — just a $16 range.
• The low of $171 is nearly flush with the median, suggesting true bargains below $170 are rare; don't hold out for a dramatic dip.
• The high reached $304 — a 78% spread from bottom to top — so while the floor is stable, demand spikes or last-minute searches can more than double the base price.
• A $187 budget covers 75% of observed fares; anything above that puts you in outlier territory worth avoiding with earlier booking.

30-day price trend

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

The full picture

Washington (DCA) to Cancún is a route with a surprisingly stable price floor. With a median of $174 and a 25th–75th percentile band of just $171–$187, the data suggests that on most days, fares are tightly compressed near the bottom of their range. That $16 interquartile spread is narrow by any standard, and it tells a clear story: this isn't a route where patient shoppers are rewarded with dramatic swings below $170. The floor is the floor.

What makes this route worth watching carefully, however, is the 78% spread between the lowest observed fare ($171) and the highest ($304). That high-end figure isn't the median — it's an outlier — but it's a real price that appeared in the 30-day snapshot window. Fares tend to drift toward that upper range when demand concentrates (holiday weekends, spring break windows) or when searches happen close to departure. The practical implication: booking once you see fares in the $171–$187 band is a reasonable trigger. Waiting for sub-$170 fares based on this data is unlikely to pay off, while waiting too long risks landing in the $200–$300 zone.

No dominant carrier pattern is visible from this dataset, so routing and airline competition on DCA–CUN likely keep the floor competitive without a single airline dictating price. One honest caveat: 30 snapshots capture cached fares at a point in time and may not reflect the full range of departure dates or cabin classes — actual bookable fares for your specific travel window could differ. Treat the $171–$187 band as a credible benchmark, not a guarantee.

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