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Boston → Toronto flights

Median fare from Boston to Toronto is $100 over 12 days tracked; prices are either at the floor or near $139, with little in between.

BOS–Toronto hovers near $100 — but a third of fares jump to $139

Key takeaways

  • Median fare sits at $100, matching the observed low — a strong anchor price for this route.
  • Top quartile fares reach $139, a 39% jump from the median, suggesting a two-tier pricing pattern rather than gradual drift.
  • Spread of 39% is moderate-to-wide, so timing can meaningfully affect what you pay.
  • Only 12 days of snapshots were sampled — enough to see a pattern, not enough to call it definitive.
  • No dominant carrier was identifiable in this data, so airline-specific booking advice isn't supported here.

30-day price trend

BOS → YYZ · cheapest cached fare per day · last 13 days · ↑ 47%
$100 low$147 high

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

The full picture

Over the 12-day window we tracked, fares between Boston and Toronto clustered at two levels: a floor around $100 and a ceiling near $139, with the median matching the low end. That's a 39% spread — enough to notice, but the pattern looks more like a binary "cheap fare available or not" situation than a smooth curve of rising prices. When the $100 fare is in stock, it appears to be the norm rather than the exception, since the median and low are identical.

We don't have enough historical depth here to say when in the booking horizon — weeks out versus days out — prices typically soften. With only 12 snapshots, we can describe the current price distribution with some confidence, but we can't responsibly generalize about how fares move as departure approaches. What the data does support is this: roughly half the fares sampled were at or near the $100 floor, and the upper quartile jumped sharply to $139, so there's a real chance of paying 39% more if availability shifts.

No single carrier stood out as dominant in this dataset, so we can't speak to whether one airline is driving the cheap fares or the expensive ones. The honest takeaway is that $100 looks like an achievable target on this short Boston–Toronto hop, and the jump to $139 appears to be a distinct second tier rather than gradual inflation — but with a 12-day sample, treat this as a directional read, not a seasonal forecast.

Ready to look at fares?

Search BOS → YYZ on Aviasales →See the price history →
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AI-authored from this route's 30-day price index. Article last regenerated Oct 10, 2026. Fares shift continuously — confirm at booking.

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