Chicago to Las Vegas flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are low right now
$146 is $51 (26%) below the usual $197 for Chicago → Las Vegas.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Chicago → Las Vegas drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $146 (cheapest month) |
| November 2026 | $161 |
| December 2026 | $197 |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | $339 |
| April 2027 | No fares found yet |
| May 2027 | $329 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 29 – Nov 2 4 nights · leave Thu$146 −26% vs usual$146 −26% vs usual Book
Frontier Airlines 1 stop · 4h 55m -
Oct 24 – 27 3 nights · leave Sat$160 −19% vs usual$160 −19% vs usual Book
Frontier Airlines 1 stop · 7h 51m
-
Nov 15 – 19 4 nights · leave Sun$161 −18% vs usual$161 −18% vs usual Book
Allegiant Air Nonstop · 3h 46m -
Dec 2 – 4 2 nights · leave Wed$197$197 Book
Frontier Airlines Nonstop · 4h 13m
-
Nov 12 – 15 3 nights · leave Thu$202$202 Book
Allegiant Air Nonstop · 3h 46m
-
Oct 26 – 29 3 nights · leave Mon$212 +8% vs usual$212 +8% vs usual Book
Frontier Airlines Nonstop · 4h 16m
-
Oct 21 – 28 7 nights · leave Wed$226 +15% vs usual$226 +15% vs usual Book
Frontier Airlines 1 stop · 4h 56m
-
Oct 28 – 31 3 nights · leave Wed$238 +21% vs usual$238 +21% vs usual Book
Frontier Airlines 1 stop · 6h 58m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Las Vegas
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Airport transfer to Las Vegas
Fixed prices from LAS on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Las Vegas · Oct 29 – Nov 2Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
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Chicago to Las Vegas: questions
How much is a flight from Chicago to Las Vegas?
The cheapest round trip we have found right now is $146, leaving October 29 and returning November 2. The usual price on this route is about $197, so this fare is 26% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Chicago to Las Vegas?
October 2026, with round trips from $146. The most expensive month in our data is March (from $339). Based on the 5 months ahead we have prices for.
Are there nonstop flights from Chicago to Las Vegas?
Yes. Nonstop from $161 round trip. 39% of the 33 date combinations we track are nonstop.
What is the cheapest day to fly from Chicago to Las Vegas?
Leaving on a Wednesday. Typical fare $247, vs $263 across all days.
About this route
We track round-trip economy fares from Chicago (United States) to Las Vegas (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $146, departing October 29 and returning November 2, about 26% below the usual $197. Right now we're following 33 upcoming date combinations on this route. The cheapest month to fly in our data is October, from $146. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.