Washington → Sydney flights

Typical fare $739 — but a thin sample means caution

Key takeaways

• $739 was the median — and also the low and 25th/75th percentile, suggesting most observed days clustered at this fare
• $1,145 was the high, pulling the spread to 55% — a wide gap driven by a handful of pricier snapshots
• With only 10 samples, this isn't enough data to confidently call day-of-week or seasonal patterns
• No dominant carrier was identifiable from the data, so airline-specific booking strategies can't be supported here
• The tight clustering at $739 across most percentiles hints that this may be a reliable baseline fare to compare against

30-day price trend

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

The full picture

The data shows a median fare of $739 for Washington–Sydney, with that same figure also representing the low end and both the 25th and 75th percentiles. That clustering suggests $739 was the typical price on most observed days, with occasional spikes pulling the high up to $1,145 — a 55% spread that counts as wide by most route standards. When one number dominates the percentile range like this, it's a reasonably strong signal that fares near $739 are achievable, rather than a fluke low outlier.

We can't respons­ibly say when in the booking window prices soften, because the sample only covers 10 daily snapshots — not enough to map a reliable curve across weeks or months before departure. Long-haul routes like this one to Sydney often show more fare volatility the closer you get to departure, but we don't have the longitudinal data here to confirm that pattern specifically for this route. Treat $739 as a useful target fare rather than a timing strategy.

No dominant carrier emerged clearly from the snapshots, so we can't speak to whether a specific airline is consistently cheaper or pricier on this route. The honest caveat: with just 10 data points, this read is directional at best. A fare at or near $739 looks like a strong deal based on what we've seen, and anything approaching $1,145 is well above the norm — but a larger sample would sharpen this considerably, especially given how far upper-end fares diverged from the median.

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