Seattle → Taipei flights

SEA–TPE fares are steady near $375 — spread is tight

Key takeaways

• Median fare sits at $375, with most fares clustering close to that number
• Bottom quartile (p25) is $374, essentially matching the median — little room to game timing
• Top quartile (p75) reaches $414, only a modest premium over the cheapest fares seen
• Overall spread is just 14%, one of the tighter ranges you'll see on a long-haul route
• Sample size is thin at 15 snapshots, so treat these as directional rather than definitive

30-day price trend

See full numbers and stats on the SEA → TPE price history page.

The full picture

The data shows a narrow band for SEA–TPE fares: a $364 low, $414 high, and a median of $375. With a spread of just 14%, this isn't a route where waiting for a dramatic price drop is likely to pay off — the difference between a "good" fare and an "average" fare is often less than $40. When the p25 and median are nearly identical ($374 vs $375), it tells us most observed fares are already bunched near the floor, with only a handful of higher-priced days pulling the p75 up to $414.

Because this dataset captures 15 daily snapshots rather than a full 30-day window, we can't speak with confidence about booking-horizon trends — whether fares soften further out or spike closer to departure. What we can say is that if you see a fare at or below $375, you're already at or better than the midpoint of what's been observed, and there's no strong evidence of dramatic mid-window discounts to wait for. Given the tight overall spread, chasing a specific day of the week or booking window is unlikely to yield outsized savings on this route.

No dominant carrier was identifiable from the data, so we can't comment on airline-specific pricing patterns or whether a particular operator is driving the low end versus the high end of the range. The practical takeaway: treat $375 as a fair benchmark, and don't hesitate to book a fare in the $364–$385 range if you find one, since the data doesn't show a clear pattern suggesting further softening. The honest caveat here is sample size — 15 snapshots is a modest base, and a longer observation window could reveal more texture (or contradict this narrow spread) than what we're seeing now.

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