Boston → Tokyo flights

Boston–Tokyo fares hover near $572 — bottom quartile is $516

Key takeaways

• Median fare sits at $572, with a range from $515 to $662 over the sample window.
• Bottom quartile (p25) fares land at $516, barely above the observed low of $515
• Upper quartile fares jump to $572 and above, showing the top of the range is where volatility lives
• Spread of 29% between low and high suggests meaningful timing upside if you can stay flexible
• Sample is thin at only 12 snapshots — treat patterns as directional, not definitive

30-day price trend

See full numbers and stats on the BOS → NRT price history page.

The full picture

The data shows Boston to Tokyo fares ranging from $515 to $662, with a median of $572 across 12 snapshots. That 29% spread is wide enough to matter — the difference between a bottom-quartile fare ($516) and the high end ($662) is over $140, enough to justify some booking flexibility if your travel dates aren't fixed. Notably, the median and p75 are close together ($572 each), which tells us most fares cluster in the lower-to-middle part of the range, with a smaller number of higher-priced outliers pulling the high end up.

With only 12 data points, we can't confidently map out a booking curve across the full horizon — this isn't enough sample to say prices reliably soften at a specific number of weeks out. What we can say is that the bulk of observed fares sit between $516 and $572, so if you're seeing a quote in that band, you're likely at or near the better end of what's typical for this route recently. Quotes creeping toward $600+ are in outlier territory based on this window.

We don't have visibility into a dominant carrier or day-of-week pattern in this dataset, so we won't speculate on airline-specific pricing behavior or claim certain departure days are cheaper — that's not supported by what's here. The honest takeaway: this is a moderately volatile route with a decent gap between typical and worst-case pricing, but the sample size is small enough that we'd treat any single snapshot with some caution rather than timing a purchase around it precisely.

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