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Seattle to Tokyo fares had a $412 median over the last 30 days; most fares sat between $395-$423, with occasional drops worth watching for.
Written from this route's 30-day price index (30 daily samples). Article last regenerated Nov 7, 2026.
See full numbers and stats on the SEA → NRT price history page.
Over the last 30 days, Seattle to Tokyo fares showed a split personality: a tightly clustered middle band from $395 to $423 (the range where half of all sampled fares landed), alongside a handful of much cheaper fares as low as $215. That gap between the low and the p25 mark suggests the $215 fare was an outlier — a rare fare-sale or error fare — rather than something to expect on a given search.
For most travelers, the realistic planning number is the $412 median, not the $215 floor. If you see something near or below $395, that's genuinely in the cheaper quartile of what's been available and worth booking rather than holding out for. The data here doesn't show a clear booking-window trend (how fares move as departure approaches), so we can't say with confidence whether prices soften closer to departure or further out — only that the bulk of fares have held steady in that $395–$423 range throughout the sampled period.
We don't have visibility into day-of-week patterns or a dominant carrier for this route from the data provided, so we won't speculate on whether midweek departures or a particular airline are driving the cheaper fares. The honest takeaway: budget around $412, treat anything near $400 as a solid deal, and don't bank on repeating that $215 low — it's the exception in this data, not the rule.
Why we regenerated this article: Price spread widened by 91 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.