This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LAS
20 Sep — 27 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in January or November, booked 83 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Chicago to Las Vegas
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Chicago to Las Vegas
Explore the most affordable flight options available from Chicago to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.
Tue 15/913:21 -
Nonstop4h 09m
Wed 30/915:10 -
1 stop7h 13m
Deal found 17/8£147
Wed 30/906:00 -
1 stop7h 21m
Wed 7/1023:50 -
Nonstop3h 48m
Deal found 16/8£148
Fri 30/1007:00 -
Nonstop4h 18m
Sun 1/1106:05 -
Nonstop3h 52m
Deal found 17/8£184
Sat 3/1014:21 -
1 stop7h 17m
Mon 5/1020:23 -
1 stop15h 02m
Deal found 19/8£205
Wed 2/1209:20 -
1 stop6h 50m
Sat 5/1206:00 -
1 stop5h 54m
Deal found 20/8£206
Thu 8/1020:05 -
Nonstop4h 08m
Sat 10/1016:38 -
Nonstop3h 51m
Deal found 21/8£208
Sat 5/916:30 -
Nonstop4h 09m
Sat 19/914:20 -
Nonstop3h 52m
Deal found 20/8£211
Sun 6/912:45 -
Nonstop3h 59m
Wed 9/907:20 -
Nonstop3h 48m
Deal found 21/8£214
Sat 26/907:20 -
1 stop13h 07m
Fri 2/1010:23 -
1 stop6h 58m
Deal found 20/8£214
Sat 10/1016:20 -
1 stop5h 51m
Tue 13/1023:43 -
Nonstop3h 32m
Deal found 21/8£215
Best flights from Chicago to Las Vegas
Discover carefully curated flight deals from Chicago to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.
Sat 10/1016:20 -
1 stop5h 51m
Wed 14/1009:00 -
Nonstop3h 52m
Deal found 17/8£215
Thu 17/1214:25 -
1 stop8h 20m
Tue 22/1208:55 -
1 stop5h 54m
Deal found 20/8£225
Wed 2/906:05 -
1 stop7h 59m
Sat 5/907:00 -
1 stop10h 21m
Deal found 18/8£255
Fri 20/1111:36 -
1 stop7h 23m
Mon 23/1118:15 -
1 stop23h 15m
Deal found 19/8£283
Mon 25/115:51 -
1 stop6h 16m
Tue 26/123:30 -
Nonstop3h 32m
Deal found 17/8£215
Sun 10/114:55 -
1 stop9h 54m
Sun 17/109:10 -
1 stop6h 11m
Deal found 18/8£250
Thu 22/1014:21 -
1 stop7h 17m
Sat 24/1017:29 -
2 stops10h 11m
Deal found 20/8£268
Sat 19/1217:45 -
1 stop6h 33m
Sun 20/1207:00 -
Nonstop3h 50m
Deal found 16/8£263
Tue 8/907:20 -
1 stop8h 51m
Sat 12/915:11 -
2 stops13h 09m
Deal found 16/8£288
Wed 7/1015:40 -
Nonstop4h 09m
Thu 8/1023:43 -
Nonstop3h 32m
Deal found 20/8£276
Wed 7/1007:20 -
2 stops14h 20m
Mon 12/1020:23 -
1 stop15h 02m
Deal found 18/8£293
Direct flights from Chicago to Las Vegas
Explore direct flight options from Chicago to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.
Fri 30/1007:00 -
Nonstop4h 18m
Sun 1/1106:05 -
Nonstop3h 52m
Deal found 17/8£184
Thu 8/1020:05 -
Nonstop4h 08m
Sat 10/1016:38 -
Nonstop3h 51m
Deal found 21/8£208
Sat 5/916:30 -
Nonstop4h 09m
Sat 19/914:20 -
Nonstop3h 52m
Deal found 20/8£211
Sun 6/912:45 -
Nonstop3h 59m
Wed 9/907:20 -
Nonstop3h 48m
Deal found 21/8£214
Tue 1/1220:23 -
Nonstop4h 11m
Fri 4/1216:25 -
Nonstop3h 48m
Deal found 21/8£216
Wed 30/1221:47 -
Nonstop4h 12m
Sat 2/116:50 -
Nonstop3h 50m
Deal found 18/8£216
Sat 10/1007:20 -
Nonstop4h 07m
Sat 10/1016:38 -
Nonstop3h 51m
Deal found 21/8£217
Thu 26/1107:20 -
Nonstop4h 10m
Sat 28/1123:58 -
Nonstop3h 32m
Deal found 21/8£218
Sat 19/1220:20 -
Nonstop4h 18m
Fri 25/1208:40 -
Nonstop3h 49m
Deal found 19/8£219
Fri 20/1107:20 -
Nonstop4h 10m
Mon 23/1116:11 -
Nonstop3h 49m
Deal found 18/8£222
Fri 20/1107:20 -
Nonstop4h 10m
Wed 25/1108:44 -
Nonstop3h 48m
Deal found 17/8£225
Wed 30/1221:47 -
Nonstop4h 12m
Mon 4/123:50 -
Nonstop3h 41m
Deal found 21/8£228
Last-minute flights from Chicago to Las Vegas
Discover last-minute flight deals from Chicago to Las Vegas. Data last updated 21 August 2026 and is based on user searches.
Sat 5/916:30 -
Nonstop4h 09m
Sat 19/914:20 -
Nonstop3h 52m
Deal found 20/8£211
Sat 5/913:00 -
1 stop6h 57m
Tue 8/923:50 -
Nonstop3h 30m
Deal found 18/8£218
Sun 6/912:45 -
Nonstop3h 59m
Wed 9/907:20 -
Nonstop3h 48m
Deal found 21/8£214
Tue 8/921:20 -
Nonstop4h 00m
Wed 16/914:20 -
Nonstop3h 52m
Deal found 17/8£208
Wed 9/909:29 -
Nonstop4h 04m
Wed 16/915:06 -
1 stop5h 40m
Deal found 19/8£215
Thu 10/915:52 -
1 stop9h 25m
Wed 16/907:00 -
1 stop10h 21m
Deal found 17/8£217
Tue 15/913:21 -
Nonstop4h 09m
Wed 30/915:10 -
1 stop7h 13m
Deal found 17/8£147
Fri 25/916:35 -
Nonstop4h 08m
Mon 28/923:50 -
Nonstop3h 32m
Deal found 20/8£216
Sat 26/907:20 -
1 stop13h 07m
Fri 2/1010:23 -
1 stop6h 58m
Deal found 20/8£214
Sun 27/920:17 -
1 stop15h 25m
Tue 29/917:28 -
1 stop17h 54m
Deal found 18/8£206
Wed 30/906:00 -
1 stop7h 21m
Wed 7/1023:50 -
Nonstop3h 48m
Deal found 16/8£148
One-way flights from Chicago to Las Vegas
Search for one-way flight options from Chicago to Las Vegas. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.
Sun 4/1020:55 -
Nonstop4h 10m
Deal found 20/8£86
Tue 22/906:30 -
1 stop15h 08m
Deal found 20/8£94
Sun 20/907:20 -
1 stop8h 51m
Deal found 21/8£103
Thu 8/1020:05 -
Nonstop4h 08m
Deal found 20/8£104
Sat 5/916:30 -
Nonstop4h 09m
Deal found 18/8£107
Sun 1/1107:30 -
1 stop26h 34m
Deal found 19/8£109
Wed 30/1221:47 -
Nonstop4h 12m
Deal found 20/8£110
Tue 22/907:07 -
1 stop7h 18m
Deal found 21/8£112
Fri 9/1018:20 -
Nonstop4h 08m
Deal found 20/8£112
Sat 5/914:30 -
1 stop7h 51m
Deal found 21/8£114
Fri 18/918:59 -
1 stop15h 49m
Deal found 18/8£115
Find flight deals from Chicago to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 August 2026.
Customise your flight search to find flights from Chicago to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 21 August 2026.
Use the filters below to find and compare flights from Chicago to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Sat 10/10
16:20-20:11
1 stop5h 51m
Las Vegas Harry Reid Intl
Wed 14/10
09:00-14:52
Nonstop3h 52m
£215
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Mon 25/1
15:51-20:07
1 stop6h 16m
Las Vegas Harry Reid Intl
Tue 26/1
23:30-05:02
Nonstop3h 32m
£215
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Thu 17/12
14:25-20:45
1 stop8h 20m
Las Vegas Harry Reid Intl
Tue 22/12
08:55-16:49
1 stop5h 54m
£225
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Sun 10/1
14:55-22:49
1 stop9h 54m
Las Vegas Harry Reid Intl
Sun 17/1
09:10-17:21
1 stop6h 11m
£250
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Wed 2/9
06:05-12:04
1 stop7h 59m
Las Vegas Harry Reid Intl
Sat 5/9
07:00-19:21
1 stop10h 21m
£255
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Sat 19/12
17:45-22:18
1 stop6h 33m
Las Vegas Harry Reid Intl
Sun 20/12
07:00-12:50
Nonstop3h 50m
£263
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Thu 22/10
14:21-19:38
1 stop7h 17m
Las Vegas Harry Reid Intl
Sat 24/10
17:29-05:40
2 stops10h 11m
£268
Fastest return journey
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Wed 7/10
15:40-17:49
Nonstop4h 09m
Las Vegas Harry Reid Intl
Thu 8/10
23:43-05:15
Nonstop3h 32m
£276
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Fri 20/11
11:36-16:59
1 stop7h 23m
Las Vegas Harry Reid Intl
Mon 23/11
18:15-19:30
1 stop23h 15m
£283
ChicagoLas Vegas
ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl
ORDLAS
Chicago O'Hare Intl
Tue 8/9
07:20-14:11
1 stop8h 51m
Las Vegas Harry Reid Intl
Sat 12/9
15:11-06:20
2 stops13h 09m
£288
Flights are sorted by cheapest return flights first.
Deals found on 20/8
Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Chicago to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Chicago with our price prediction graph.
CHI-LAS
ORD-LAS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Las Vegas
CHI-LAS
ORD-LAS
What is the cheapest month to book a flight from Chicago to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Chicago to Las Vegas (average of £181). Flying from Chicago to Las Vegas in June is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to LAS?
Find hourly flight availability from Chicago to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 August 2026.
When flying from Chicago to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at midday.
Weekly flight availability from Chicago to Las Vegas
Explore weekly flight availability from Chicago to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 August 2026.
The most flights from CHI to LAS are scheduled on a Wednesday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
How much does it cost for a return flight from Chicago to Las Vegas?
Airfare is below average for this route at the moment.
Chicago to Las Vegas flights typically cost between £170 and £304 in September.The cheapest return price found within the last 5 days was £147 on Frontier (15 Sept–30 Sept).
How often are flights from Chicago to Las Vegas delayed?
About 20% of weekly flights between Chicago and Las Vegas have experienced delays in the past year, with the average delay time being 152 minutes.
What is the most punctual flight time for Chicago to Las Vegas flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Las Vegas flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
How far ahead should I book a flight from Chicago to Las Vegas?
The best time to book flights from Chicago to Las Vegas is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Chicago to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Las Vegas from Chicago?
Las Vegas Harry Reid Intl (LAS) is the airport you will fly into if you book a flight from Chicago to Las Vegas. You should not have trouble finding flights to Harry Reid Intl from Chicago; the airport handles an average of 30 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Las Vegas airport from Chicago. It is only a 6.2 mi journey from Harry Reid Intl (LAS) to Las Vegas’s city center.
How long is the flight from Chicago to Las Vegas?
Departing from Chicago to Las Vegas will take you 5h 51m. There are 1510 mi between Chicago and Las Vegas. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Chicago to Las Vegas round-trip?
Flying on Frontier is currently your cheapest option to Las Vegas, with prices starting at £185. Frontier is priced at 21% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from Chicago to Las Vegas?
Consider Air Canada (81%), Avianca (80%) or Frontier (67%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Las Vegas.
What are the cheapest flights from Chicago to Las Vegas?
While on average a flight from Chicago to Las Vegas is generally £180, our data shows the cheapest flight currently is £142. When looking at the most popular route, (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), you can expect to pay £247 for that flight.
Can I find deals for business class flights from Chicago to Las Vegas?
Yes. Cheapflights offers flight deals from Chicago to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Chicago to Las Vegas (average of £181). Flying from Chicago to Las Vegas in June is currently the most expensive (average of £263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.
Discover the top airline that operate flights from Chicago to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 21 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Chicago to Las Vegas?
Deals for Chicago to Las Vegas flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Chicago to Las Vegas?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Las Vegas.
Can Cheapflights find flights from Chicago to Las Vegas with no change fees?
Yes! Cheapflights helps users easily find flights from Chicago to Las Vegas with no change fees.
Can Cheapflights notify me if prices for flights from Chicago to Las Vegas become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from Chicago today and book when prices fit your budget.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.