Chicago → Boston flights

Chicago–Boston fares center near $101, but sample is thin

Key takeaways

• Median fare of $101 sits close to the observed low of $90, suggesting that price is a realistic target rather than a rare dip.
• Bottom quartile fares ($101 and below) make up a large share of the data, meaning near-median prices aren't unusual on this route.
• Top quartile fares reach $123+, with a high of $137 — a roughly 35% premium over the cheapest fares seen.
• 52% spread between low and high indicates meaningful price variability, so timing still matters even on a short-haul route.
• Only 12 days of snapshots were available, which limits confidence in any fine-grained pattern.

30-day price trend

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

The full picture

Fares between Chicago and Boston have ranged from $90 to $137 over the tracked period, with a median of $101. That median sitting just above the observed low is a good sign for travelers — it suggests that paying close to the cheapest available fare isn't a rare event but a reasonably common outcome. The 52% spread between low and high, however, shows there's real room for prices to climb well above typical levels, particularly during higher-demand windows.

With the data available, we can't pinpoint a specific day or week within the booking horizon where prices reliably soften — the sample doesn't show a clear trend over time, just a distribution of fares from $90 to $137. What we can say is that the bottom quartile of fares (around $101 and below) appears frequently enough that waiting for a deal in that range is a reasonable strategy, rather than assuming you need to catch an exceptionally rare low fare. The top quartile, starting around $123, represents the segment of fares worth avoiding if you have flexibility.

No dominant carrier or clear day-of-week pattern is visible in this dataset, so we can't make claims about specific airlines or weekday effects on this route. The honest caveat here is sample size: with only 12 days of snapshots, this is a thin window for a route that likely sees fare movement tied to business travel demand, weather disruptions, and seasonal shifts. Treat the $101 median as a solid reference point for budgeting, but verify against current listings closer to your travel date rather than relying on this snapshot alone.

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