Chicago → Lisbon flights

Chicago–Lisbon fares cluster near $443 — $363 lows are rare

Key takeaways

• Median fare is $442, and three-quarters of observed prices were $443 or below.
• The bottom quartile ($401–$443) represents the typical range you should expect, not a rare deal.
• Low of $363 was seen, but it's an outlier against a tightly packed set of fares near the high end.
• 22% spread between low and high is moderate — some room to save, but not a volatile market.
• Only 12 snapshots were sampled, so treat these patterns as a rough guide, not a guarantee.

30-day price trend

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

The full picture

The data shows a fairly narrow band of pricing for Chicago to Lisbon, with most fares landing between $401 and $443 — a 22% spread from the single lowest fare of $363 to the high of $443. That's a moderate range: enough to reward some flexibility, but not the kind of wild swing that suggests waiting indefinitely will pay off. The median of $442 sits right at the top of the observed range, which tells us that the $363 low was likely a brief anomaly rather than a recurring opportunity.

With only 12 days of snapshots, we can't responsibly point to a clear softening pattern across the booking horizon — the sample is too thin to say prices reliably drop at a certain number of weeks out. What we can say is that if you see something near or below the $401 p25 mark, it's worth booking, since the data suggests fares more often cluster near $440 than dip meaningfully lower. Treat anything under $400 as a good outcome relative to this route's recent history.

No dominant carrier was visible in the data, so we can't speak to airline-specific booking patterns or whether one carrier is driving the lower fares. The honest takeaway: this is a route where prices are relatively stable and skew toward the higher end of the range, with occasional — but not predictable — dips. Given the small sample size, these figures should be treated as a directional snapshot rather than a firm forecast, and it's worth checking fares closer to your travel dates to confirm the pattern holds.

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