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Seattle to Taipei fares held near a $398 median over 22 sampled days in the last 30, with minimal spread — timing barely moves the price.
Written from this route's 30-day price index (22 daily samples). Article last regenerated Nov 7, 2026.
See full numbers and stats on the SEA → TPE price history page.
The data shows a remarkably stable fare environment for Seattle to Taipei. Across 22 sampled days within the last 30, prices ranged from just $387 to $400 — a spread of only 3%. That's about as tight as pricing gets for an international long-haul route, and it suggests this is a market with consistent demand and limited fare-class churn rather than one prone to sudden discounts or spikes.
Because the spread is so narrow, there isn't a meaningful 'soften' point in the booking horizon visible in this data. Typically, wider spreads signal that early or late bookings carry a premium while a middle window offers savings, but with fares bunched between $393 and $400 for the middle half of samples, there's no strong evidence that waiting or booking far ahead changes the outcome much. The $398 median is a reliable number to anchor expectations around — if you see something notably below $390, that's a genuinely good fare relative to recent history, but you're not likely to find a dramatic discount by timing your purchase differently.
No dominant carrier was identifiable in this dataset, so we can't speak to airline-specific patterns or whether certain carriers consistently undercut others on this route. The honest takeaway: with a spread this small, the usual advice about booking windows and day-of-week tricks has little to offer here. Treat $398 as the going rate, watch for anything near the $387 low, and don't expect much movement either way. The caveat worth flagging is that 22 days of sampled data, while solid, is still a snapshot of a 30-day window — longer-term seasonal shifts (holiday travel, school breaks) aren't captured here and could move fares outside this range.
Why we regenerated this article: Price spread tightened by 11 points. 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 Nov 7, 2026. Fares shift continuously — confirm at booking.