Best Time to Book

Chicago → Las Vegas flights

ORD–LAS fares have run a median of $109 over 12 snapshots, mostly between $94–$110 — a narrow range with limited booking-window signal.

Chicago–Vegas fares cluster near $109 — little room to game it

Key takeaways

Median fare sits at $109, with most observed prices bunched close to the top of the range
Bottom quartile fares reach $94, only about 14% below the median — not a dramatic discount
Low of $83 appears to be an outlier rather than a typical bookable price
Overall spread of 33% is moderate, but driven by one low snapshot rather than a wide, consistent range
Sample size of 12 days is thin — treat patterns here as directional, not definitive

30-day price trend

ORD → LAS · cheapest cached fare per day · last 13 days · ↓ 24%

$83 low$110 high

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

The full picture

The data shows ORD–LAS fares holding fairly steady, with a median of $109 and three-quarters of observed snapshots at $110 or below. That's a tight band: most days, you're paying close to the top of the range rather than finding deep discounts. The one standout is the $83 low, which pulls the spread to 33% but looks more like a single favorable snapshot than a recurring price tier — p25 sits at $94, just $15 under the median, suggesting genuine bargains are modest rather than dramatic.

With only 12 days of snapshots, we can't responsibly map out a booking-window curve — there isn't enough history to say whether prices soften at 3 weeks out versus 6 weeks out, or whether weekday departures consistently undercut weekend ones. What we can say is that the fare ceiling appears to be around $110, and anything at or below $94 is a better-than-typical price worth grabbing when you see it, rather than waiting for a deeper dip that may not materialize.

No dominant carrier was identifiable in this dataset, so we can't speak to airline-specific pricing behavior on this route. The honest takeaway: this is a low-volatility route in our sample, and with just 12 data points, we'd treat any single low fare as an opportunity to act rather than a pattern to time around. A longer observation window would let us say more about optimal booking timing with confidence.

Ready to look at fares?

Search ORD → LAS on Aviasales →See the price history →

Related travel pages

Why we regenerated this article: Bottom quartile ↓ 14% ($109 → $94). We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.

AI-authored from this route's 30-day price index. Article last regenerated Oct 10, 2026. Fares shift continuously — confirm at booking.