Washington → Cancun flights

Washington–Cancún fares cluster near $192 — budget $170–195

Key takeaways

• Median fare is $192, based on 17 daily snapshots of the cheapest available cached fares on this route.
• The bottom quartile sits at $172, meaning roughly one in four observed fares came in at or below that level — a realistic target for patient bookers.
• The full range spans $165–$205, a spread of about 24% — moderate enough that timing alone won't swing your budget dramatically.
• The top quartile threshold is $194, so fares above $205 should be treated as a signal to pause and wait rather than book.
• With a 24% spread, the ceiling is only $40 above the floor — overpaying is unlikely, but grabbing the low end requires some flexibility.

30-day price trend

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

The full picture

Washington Dulles/Reagan to Cancún is a well-served leisure corridor, and the fare data reflects that competitive pressure. Over 17 daily snapshots, the cheapest available fares sat in a surprisingly tight band: the median landed at $192, and three-quarters of all observations came in at $194 or below. That kind of compression suggests the route has consistent baseline demand and enough carrier competition to prevent dramatic price spikes — but also limits how low you can realistically push the fare.

The most actionable number here is the 25th-percentile fare of $172. Fares at or below that level appeared in roughly the bottom quarter of our sample, which means they're real but not guaranteed. If your travel dates are flexible by even a few days, monitoring this route for a brief dip toward $165–$172 is a reasonable strategy. Given the narrow spread, the downside of missing that window and paying the median instead is modest — about $20–$27. That calculus changes if you're booking multiple seats, where the difference compounds.

Carrier-level patterns aren't directly visible in this dataset, and day-of-week booking effects on this route aren't something we can responsibly isolate from 17 samples. What the data does suggest is that you shouldn't wait indefinitely hoping for a structural price collapse — the $165 floor appears to be a genuine outlier, not a recurring baseline. A practical approach: set a fare alert at $175 or below, book confidently if you see anything at or under $185, and treat anything above $200 as reason to check again in a few days rather than a reason to panic.

One honest caveat: 17 snapshots is a functional sample but not a large one. Seasonal demand shifts — spring break, summer peak, holiday windows — can move Cancún fares significantly outside the range captured here, and this data may not fully reflect those swings.

Ready to look at fares?