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Washington → Buenos Aires flights

Washington–Buenos Aires fares show a $362 median across recent snapshots, with a wide $332–$538 range; treat booking-window advice cautiously.

Typical fare $362 — but a thin sample means limited confidence

Key takeaways

  • Median fare of $362 anchors the typical price seen across snapshots
  • Bottom quartile sits at $336, just above the $332 low — a good target if you're flexible
  • Top quartile jumps to $538, matching the observed high, showing real upside risk if you wait or book inflexible dates
  • 62% spread between low and high signals meaningfully variable pricing on this route
  • Only 12 snapshots collected — enough to see a pattern, not enough for high-confidence timing calls

30-day price trend

DCA → EZE · cheapest cached fare per day · last 13 days · ↑ 62%
$332 low$538 high

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

The full picture

The data shows a median fare of $362 for Washington (DCA) to Buenos Aires (EZE), with a floor of $332 and a ceiling of $538. That's a 62% spread from low to high, which is substantial — this isn't a route where prices hover tightly around one number. The bottom quartile ($336) sits just above the observed low, suggesting that a meaningful chunk of fares cluster near the cheap end, while the jump to $538 at the 75th percentile shows that higher fares aren't rare outliers but a real, recurring segment of the pricing distribution.

With only 12 snapshots, we can't responsibly point to a specific booking window where prices reliably soften — that would require a longer observation period to separate genuine patterns from noise. What we can say is that if you're seeing a quote in the $330-$360 range, you're at or near the better end of what this data has shown. If quotes are approaching $450 or more, you're in territory that this sample associates with the pricier half of outcomes, and it may be worth checking alternate dates or waiting to see if a lower fare resurfaces.

No dominant carrier was identifiable from this data, so we can't speak to airline-specific patterns or whether certain carriers consistently price lower on this route. The honest caveat here is twofold: the sample size (12 days) is thin for a long-haul international route like this, and the wide spread means any single snapshot could be an outlier rather than representative. Treat the $362 median as a reasonable reference point for budgeting, but don't anchor too tightly to it when making a go/no-go decision on a specific fare.

Ready to look at fares?

Search DCA → EZE on Aviasales →See the price history →
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Why we regenerated this article: Top quartile ↑ 49% ($362 → $538). We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.

AI-authored from this route's 30-day price index. Article last regenerated Oct 10, 2026. Fares shift continuously — confirm at booking.

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