Washington → Mexico City flights

Median $234 DCA→MEX — budget $207 or less for a real deal

Key takeaways

• Median fare is $234 — a reasonable anchor for budgeting a round trip from DCA to MEX.
• Bottom 25% of fares came in at $207 or below — that's the threshold worth waiting for if your schedule is flexible.
• The low observed was $157, showing genuine deals exist, though they represent the thinner end of the distribution rather than the norm.
• An 87% spread between low ($157) and high ($293) signals this route is volatile — timing your search matters more than average on a low-spread route.
• Top-quartile fares hit $259 or above — booking late or during demand spikes can push costs 24% above the median without much warning.

30-day price trend

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

The full picture

The DCA–MEX fare landscape is notably wide. With an 87% spread between the lowest observed fare ($157) and the highest ($293), this is not a route where you can set a casual price alert and expect consistency. The interquartile range — $207 to $259 — is where most realistic shopping outcomes land, and that $52 corridor is your practical planning range. The median of $234 is a fair budget anchor, but the data make clear that roughly half of available fare snapshots beat that number.

On a route with this level of price variance, booking horizon matters. While the dataset doesn't include timestamps tied to departure dates, wide spreads like this typically reflect both last-minute premium pricing (pushing fares toward that $293 ceiling) and occasional promotional or off-peak windows that produce fares in the $157–$180 range. The practical implication: shopping three to six weeks out, rather than within a week of departure or more than three months ahead, tends to intersect with the more competitive portion of most mid-haul pricing curves. Watch the $207 marker — if you see a fare at or below that level, it's in the bottom quartile of what this route has recently offered.

No dominant carrier pattern was visible in the data provided, so it would be misleading to point to a single airline as the reliable low-fare option. Check all nonstop and one-stop options between Reagan National and Mexico City Juárez, as itinerary structure (nonstop vs. connecting) can explain a significant portion of the price range you'll encounter. One honest caveat: 30 daily snapshots capture one narrow slice of time, and seasonal demand shifts — particularly around U.S. and Mexican holidays — can move this entire distribution up or down by $50 or more.

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