Route · Chicago → Las Vegas
Chicago to Las Vegas flights
31 departure days with a recorded one-way fare between October 2026 – December 2026, measured on October 11, 2026. Cheapest: $71 on Nov 12. Typical day: about $155.
The numbers for this route
| Cheapest recorded one-way | $71 | Nov 12, nonstop |
|---|---|---|
| Typical (median) one-way | $155 | half the measured days were between $112 and $214 |
| Days the cheapest fare was nonstop | 55% | of 31 days with a recorded fare |
| Shortest nonstop among them | 3h 43m | flight time as the seller lists it |
One-way fares in US dollars per traveler, recorded for departures in October 2026 – December 2026; measured October 11, 2026. "Typical" is the median of the days that had a recorded fare; "cheapest was nonstop" is how often that day's cheapest fare had no stop.
Cheapest day each month
| Month | Cheapest | Day | Days measured | Search |
|---|---|---|---|---|
| October 2026 | $83 | Oct 29 · nonstop | 14 | Search this day |
| November 2026 | $71 | Nov 12 · nonstop | 12 | Search this day |
| December 2026 | $134 | Dec 30 | 5 | Search this day |
Airlines and airports
Airlines behind the recorded fares, most frequent first: Frontier Airlines (17 days), Allegiant Air (7 days), Southwest Airlines (5 days), Alaska Airlines (2 days). A low-cost carrier's fare usually excludes a carry-on bag and seat choice; check what the fare includes at the seller.
Chicago airports in this search: ORD O'Hare International Airport · MDW Chicago Midway International Airport.
Las Vegas airports in this search: LAS Harry Reid International Airport.
Questions about Chicago → Las Vegas flights
What is the cheapest day to fly from Chicago to Las Vegas?
Of the 31 departure days we measured (October 2026 – December 2026), the lowest one-way fare we recorded is $71, for a departure on Nov 12 on a nonstop flight. Measured on October 11, 2026; the price you book is the seller's price at that moment.
How much is a one-way flight from Chicago to Las Vegas?
On a typical day about $155: that is the median of the cheapest fare on each measured day, and half of the days fell between $112 and $214 (measured on October 11, 2026).
Is there a nonstop flight from Chicago to Las Vegas?
Yes. The shortest nonstop flight among the recorded fares takes 3h 43m, and on 55% of the measured days the cheapest fare was a nonstop flight.
Which airlines have the cheapest flights from Chicago to Las Vegas?
The airlines that carried the cheapest recorded fare most often were Frontier Airlines (17 days), Allegiant Air (7 days) and Southwest Airlines (5 days). A low-cost fare often excludes a carry-on bag and seat choice, so check what it includes.
Which month is cheapest for Chicago to Las Vegas?
In the window we measured (October 2026 – December 2026), November 2026 had the lowest fare: $71 on Nov 12, from 12 measured days that month.
Can I compare hotels in Las Vegas too?
Yes. The hotels in Las Vegas page lists rated hotels with the price each seller quoted for a measured stay, and links to the seller to book.
Related
How to read these numbers
- Recorded, then dated. Fares are the cheapest one-way fares the seller's search engine (Aviasales) had recorded per day; hotel prices are what the seller quoted for one measured stay. Each block says when it was measured. A day with no recorded fare is not a day without flights.
- Search for your dates. Every link opens a live search on Bookallo for the route or city — the price you book is the seller's price at that moment.
- Free to use. Bookallo adds no fee. We may earn a commission from the seller when you book through our links, at no extra cost to you.