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Cheap Flights from Chicago O'Hare International to Las Vegas

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Compare Chicago O'Hare International to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

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Flight deals from Chicago O'Hare International to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.SAR 144 per passenger.Departing Sun, 1 Jun.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Sun, 1 Jun, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 144, select.
Las Vegas.SAR 146 per passenger.Departing Fri, 30 May.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Fri, 30 May, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 146, select.
Las Vegas.SAR 242 per passenger.Departing Sun, 27 Jul.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 27 Jul, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 242, select.
Las Vegas.SAR 244 per passenger.Departing Sun, 3 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 3 Aug, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 244, select.
Las Vegas.SAR 262 per passenger.Departing Wed, 15 Oct.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Wed, 15 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 262, select.
Las Vegas.SAR 262 per passenger.Departing Sat, 13 Sep.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Sat, 13 Sep, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 262, select.
Las Vegas.SAR 505 per passenger.Departing Sat, 1 Nov.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Sat, 1 Nov, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 505, select.
Las Vegas.SAR 560 per passenger.Departing Wed, 18 Mar.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 18 Mar, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From SAR 560, select.

Find the cheapest month to fly from Chicago O'Hare International to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Las Vegas flights are currently cheapest in June.
May
from SAR 146
Jun
from SAR 144
Jul
from SAR 242
Aug
from SAR 244
Sep
from SAR 262
Oct
from SAR 262
Nov
from SAR 505
Dec
from SAR 560
Jan
from SAR 560
Feb
from SAR 560
Mar
from SAR 560
Apr
Find prices

Direct flights from Chicago O'Hare International to Las Vegas

Alternative Chicago O'Hare International to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Las Vegas? You could fly into the following airports instead.

Chicago to Las Vegas: Flight information

The things to know before you go.
Cheapest flight foundSAR 144
Cheapest month to flyJune
Average flight time4 hrs, 5 mins
Most popular airlineAmerican Airlines
Average flights per week424

Finding cheap flights from Chicago O'Hare International to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from Chicago O'Hare International to Las Vegas is SAR 323. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 5 minutes is the average flight time from Chicago O'Hare International to Las Vegas.
American Airlines, United and Southwest Airlines fly direct from Chicago O'Hare International to Las Vegas.
As of May 2025, there are 424 flights per week flying from Chicago O'Hare International to Las Vegas.
The cheapest month to fly from Chicago O'Hare International to Las Vegas is usually May 2025.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from SAR 323.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Las Vegas on Friday, 30 May 2025.
Yes – the average flight time is 4 hours and 5 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 21°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to Las Vegas.

How to find cheap flights to Las Vegas from Chicago O'Hare International

Looking for cheap tickets from Chicago O'Hare International to Las Vegas? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Chicago O'Hare International to Las Vegas. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Las Vegas from Chicago O'Hare International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Chicago O'Hare International-Las Vegas ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Las Vegas from Chicago O'Hare International.
  • Set up a Price Alert. You can easily track the fare of your cheap Chicago O'Hare International-Las Vegas flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Chicago O'Hare International and Las Vegas? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Chicago O'Hare International and Las Vegas. We scour the internet for the best Business, Premium Economy and First Class flight fares to Las Vegas, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Chicago O'Hare International to Las Vegas flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Las Vegas from Chicago O'Hare International with hotels and car hire

    Once you've secured your cheap flight ticket from Chicago O'Hare International to Las Vegas, discover the best prices and exclusive rates for hotels in Las Vegas or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from Chicago to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.