Chicago to Las Vegas in October 2026
Round trips departing in October · Economy · Prices per person in USD
Prices updated
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 October fares drop below your price.October 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 $336 | 2 $307 | 3 $300 | 4 | |||
| 5 | 6 $314 | 7 | 8 | 9 $293 | 10 $277 | 11 |
| 12 | 13 | 14 | 15 $384 | 16 $324 | 17 | 18 |
| 19 | 20 | 21 $226 | 22 $252 | 23 $243 | 24 $160 | 25 |
| 26 $212 | 27 | 28 $238 | 29 $146 | 30 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in October 2026
Round trip, per person-
Oct 29 – Nov 2 4 nights · leave Thu$146Frontier Airlines 1 stop · 4h 55mBook
-
Oct 24 – 27 3 nights · leave Sat$160Frontier Airlines 1 stop · 7h 51mBook
-
Oct 26 – 29 3 nights · leave Mon$212Frontier Airlines Nonstop · 4h 16mBook
-
Oct 21 – 28 7 nights · leave Wed$226Frontier Airlines 1 stop · 4h 56mBook
-
Oct 28 – 31 3 nights · leave Wed$238Frontier Airlines 1 stop · 6h 58mBook
-
Oct 23 – 25 2 nights · leave Fri$243Frontier Airlines 2 stops · 7h 51mBook
-
Oct 22 – 25 3 nights · leave Thu$252Frontier Airlines 2 stops · 5h 19mBook
-
Oct 23 – 26 3 nights · leave Fri$255Frontier Airlines 1 stop · 7h 51mBook
-
Oct 10 – 13 3 nights · leave Sat$277Frontier Airlines 1 stop · 7h 51mBook
-
Oct 9 – 14 5 nights · leave Fri$293Frontier Airlines 1 stop · 7h 51mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
Good to know for October
October vs other months
Cheapest round trip 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 |
Chicago to Las Vegas in October: questions
What's the cheapest date to fly from Chicago to Las Vegas in October 2026?
Leaving Thursday, October 29 and returning Monday, November 2 (4 nights) for $146 round trip on Frontier Airlines, the cheapest of the 18 date combinations we track that month.
How much is a round trip from Chicago to Las Vegas in October 2026?
From $146. Half of the 18 date combinations we track are under $285. Prices are per person in USD and change often.
Is October a cheap month to fly from Chicago to Las Vegas?
Yes. It's the cheapest of the 5 months ahead we have prices for.