Boston → Bangkok flights

Boston–Bangkok fares cluster near $467 — limited room to game it

Key takeaways

• Median fare sits at $467, with the bottom quartile (p25) barely below it at $465
• Observed range spans $423 to $502, a 19% spread — moderate, not volatile
• Middle 50% of fares (p25–p75) is tightly packed between $465 and $467, suggesting most days price similarly
• Sample size is thin at just 12 snapshots, so day-of-week or carrier patterns aren't reliably visible here
• Fares near the $423 low represent genuine outliers worth grabbing if seen, not the norm

30-day price trend

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

The full picture

The data shows a fairly stable pricing picture for Boston to Bangkok: a median of $467 against a range of $423 to $502. A 19% spread is moderate — enough to reward some flexibility, but this isn't a route where fares swing wildly day to day. Notably, the p25 and p75 values are nearly identical ($465 and $467), which tells us the bulk of observed fares bunch tightly around the median rather than spreading across a wide middle range. The real variation comes from the tails — occasional dips toward $423 and spikes toward $502.

With only 12 snapshots in this dataset, we can't make confident claims about a specific booking window where prices reliably soften — that would require a longer rolling history to separate signal from noise. What we can say is that if you see a fare approaching the $423-$440 range, it's trending toward the low end of what's been observed and is worth booking rather than waiting, since the upside (further savings) is limited while the downside (fares drifting toward $500) is a real possibility based on the observed ceiling.

No dominant carrier was identifiable from this data, so we can't speak to airline-specific pricing behavior or whether certain carriers consistently undercut others on this long-haul route. The honest takeaway: this is a long international itinerary with a moderate, not extreme, spread. Treat $467 as your benchmark — fares meaningfully below that are good value, fares above it aren't unusual but also aren't a bargain. Given the small sample size, treat any day-of-week booking advice for this route with skepticism until more data accumulates.

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