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Everything you should know
Flight Deals
Cheap Flights from Chicago to Las Vegas (CHI-LAS)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Chicago to Las Vegas
Thu, Mar 11 - Thu, Mar 18
9:29 pm - 11:17 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 48mnonstop
3:12 pm - 8:35 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 23mnonstop
$248Allegiant Air
Thu, Dec 24 - Tue, Dec 29
12:27 pm - 2:21 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 54mnonstop
2:55 pm - 8:12 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 17mnonstop
$248Allegiant Air
Fri, Jan 8 - Sun, Jan 10
7:30 am - 9:53 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 23mnonstop
12:15 am - 6:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 45mnonstop
$248Frontier
Wed, Dec 9 - Mon, Dec 14
8:30 am - 8:27 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
13h 57m1 stop Atlanta Hartsfield-Jackson
11:15 pm - 5:01 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 46mnonstop
$248Frontier
Wed, Dec 2 - Sat, Dec 5
9:00 am - 5:04 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
10h 04m1 stop Seattle/Tacoma Intl
6:00 am - 4:33 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
8h 33m1 stop Dallas/Fort Worth
$248Multiple Airlines
Mon, Feb 22 - Sat, Feb 27
7:30 am - 9:58 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 28mnonstop
4:58 pm - 5:26 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
10h 28m1 stop Seattle/Tacoma Intl
$249Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
9:00 am - 5:04 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
10h 04m1 stop Seattle/Tacoma Intl
3:44 pm - 1:15 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
19h 31m1 stop San Diego
$257Alaska Airlines
Thu, Feb 18 - Tue, Feb 23
9:59 pm - 12:08 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 09mnonstop
11:25 pm - 5:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 35mnonstop
$258American Airlines
Tue, Feb 9 - Fri, Feb 12
6:45 am - 8:50 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 05mnonstop
11:25 pm - 5:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 35mnonstop
$259American Airlines
Tue, Feb 23 - Wed, Mar 3
2:06 pm - 7:54 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
7h 48m1 stop Portland
7:55 pm - 5:26 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
7h 31m1 stop Seattle/Tacoma Intl
$259Alaska Airlines
Recent one-way flight deals from Chicago to Las Vegas
Tue, Dec 22
7:58 pm - 9:38 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
15h 40m1 stop San Diego
$124Alaska Airlines
Mon, Jan 18
1:33 pm - 8:41 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
21h 08m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
$124Frontier
Wed, Jan 27
6:00 am - 10:29 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
18h 29m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl
$124Frontier
Tue, Feb 9
7:40 am - 2:49 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
9h 09m1 stop San Diego
$125Alaska Airlines
Tue, Dec 22
9:02 pm - 10:56 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 54mnonstop
$126Allegiant Air
Thu, Mar 4
9:29 pm - 11:17 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 48mnonstop
$127Allegiant Air
Mon, Jan 18
12:33 pm - 8:58 amRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
22h 25m1 stop Phoenix-Mesa Gateway
$127Multiple Airlines
Wed, Jan 6
6:45 am - 8:50 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 05mnonstop
$135American Airlines
Tue, Feb 23
9:59 pm - 12:08 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 09mnonstop
$135American Airlines
Fri, Dec 11
1:01 pm - 9:17 amRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
22h 16m1 stop Phoenix-Mesa Gateway
$136Multiple Airlines
Recent last minute flight deals from Chicago to Las Vegas
Sun, Nov 15 - Thu, Nov 19
8:37 pm - 10:23 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 46mnonstop
6:35 am - 11:47 amLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 12mnonstop
$254Allegiant Air
Sun, Nov 15 - Sun, Nov 22
8:37 pm - 10:23 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 46mnonstop
6:35 am - 11:47 amLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 12mnonstop
$262Allegiant Air
Sat, Nov 14 - Thu, Nov 26
4:36 pm - 11:25 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
8h 49m1 stop Dallas/Fort Worth
6:40 am - 12:53 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
16h 13m1 stop Denver Intl
$264Frontier
Sun, Nov 15 - Thu, Nov 26
6:30 am - 10:51 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
6h 21m1 stop Denver Intl
3:24 pm - 12:53 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
7h 29m1 stop Denver Intl
$273Frontier
Thu, Nov 12 - Thu, Dec 3
8:52 pm - 10:38 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 46mnonstop
9:25 am - 12:11 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
24h 46m1 stop Phoenix Sky Harbor Intl
$309Multiple Airlines
Thu, Nov 12 - Thu, Nov 19
8:52 pm - 10:38 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 46mnonstop
4:09 pm - 12:26 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
18h 17m1 stop Phoenix Sky Harbor Intl
$319Multiple Airlines
Wed, Nov 11 - Fri, Nov 27
6:07 pm - 8:23 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 16mnonstop
6:00 am - 11:46 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 46mnonstop
$375United Airlines
Sat, Nov 14 - Wed, Nov 25
7:16 pm - 9:24 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 08mnonstop
12:10 am - 5:59 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 49mnonstop
$375American Airlines
Sat, Nov 14 - Thu, Nov 26
7:04 pm - 11:42 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
6h 38m1 stop Dallas/Fort Worth
10:05 am - 3:53 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 48mnonstop
$385American Airlines
Sat, Nov 14 - Tue, Nov 17
12:47 pm - 2:58 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 11mnonstop
11:00 am - 4:47 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 47mnonstop
$463United Airlines
Recent direct flight deals from Chicago to Las Vegas
Thu, Mar 11 - Thu, Mar 18
9:29 pm - 11:17 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 48mnonstop
3:12 pm - 8:35 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 23mnonstop
$248Allegiant Air
Thu, Dec 24 - Tue, Dec 29
12:27 pm - 2:21 pmRFD Chicago Greater Rockford-LAS Las Vegas Harry Reid Intl
3h 54mnonstop
2:55 pm - 8:12 pmLAS Las Vegas Harry Reid Intl-RFD Chicago Greater Rockford
3h 17mnonstop
$248Allegiant Air
Fri, Jan 8 - Sun, Jan 10
7:30 am - 9:53 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 23mnonstop
12:15 am - 6:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 45mnonstop
$248Frontier
Fri, Jan 8 - Sun, Jan 10
7:30 am - 9:53 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 23mnonstop
12:15 am - 6:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 45mnonstop
$248Frontier
Thu, Feb 18 - Tue, Feb 23
9:59 pm - 12:08 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 09mnonstop
11:25 pm - 5:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 35mnonstop
$258American Airlines
Thu, Jan 21 - Sat, Jan 23
2:30 pm - 4:44 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 14mnonstop
2:18 pm - 8:08 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 50mnonstop
$259United Airlines
Fri, Dec 4 - Mon, Dec 7
8:42 pm - 10:53 pmORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 11mnonstop
7:00 am - 12:46 pmLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 46mnonstop
$259United Airlines
Tue, Feb 9 - Fri, Feb 12
6:45 am - 8:50 amORD Chicago O'Hare Intl-LAS Las Vegas Harry Reid Intl
4h 05mnonstop
11:25 pm - 5:00 amLAS Las Vegas Harry Reid Intl-ORD Chicago O'Hare Intl
3h 35mnonstop
$259American Airlines
Tue, Dec 8 - Thu, Dec 10
10:00 am - 11:55 amMDW Chicago Midway-LAS Las Vegas Harry Reid Intl
3h 55mnonstop
12:20 am - 5:40 amLAS Las Vegas Harry Reid Intl-MDW Chicago Midway
3h 20mnonstop
$269Southwest
Thu, Jan 7 - Fri, Jan 8
7:50 pm - 9:50 pmMDW Chicago Midway-LAS Las Vegas Harry Reid Intl
4h 00mnonstop
12:10 am - 5:35 amLAS Las Vegas Harry Reid Intl-MDW Chicago Midway
3h 25mnonstop
$269Southwest
Booking Insights
Price, demand and travel trends for Chicago to Las Vegas flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Delays
Layovers
More
How much is a round-trip flight from Chicago to Las Vegas?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to Las Vegas departing in december.What is the cheapest Chicago to Las Vegas flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.Chicago Greater Rockford Airport (RFD) to Las Vegas (LAS) is the cheapest Chicago to Las Vegas route, averaging $275 round-trip. Other Chicago to Las Vegas routes average $354, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Chicago to Las Vegas?
Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Chicago to Las Vegas. It’s 12% cheaper than the average day, while Friday is the most expensive, with prices 12% higher.
What’s the cheapest month to fly from Chicago to Las Vegas?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Chicago to Las Vegas, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•January is the cheapest month to fly from Chicago to Las Vegas at $255 round-trip.
•October ($355) and June ($353) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 39% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.When are flights from Chicago to Las Vegas the cheapest?
Flights from Chicago to Las Vegas are cheapest 9 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
Round-trip flights from Chicago to Las Vegas typically range from $243 to $416. The lowest price found in the past 5 days was $248, on Frontier.
Which airline is the cheapest to fly from Chicago to Las Vegas?
Frontier ($248) and Allegiant Air ($248) are the cheapest airlines to fly round-trip from Chicago to Las Vegas according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Chicago and Las Vegas?
United Airlines and American Airlines offer the most frequent nonstop flights from Chicago to Las Vegas, at 48 and 42 flights per week respectively. Southwest is another good option, operating 36 flights per week. Based on KAYAK flight data over the last 3 months.
How often are flights from Chicago to Las Vegas delayed?
Over the last 3 months Chicago to Las Vegas flights were delayed 20% of the time. Delayed flights averaged 3h 01m behind schedule.
What’s the most punctual time of day to fly from Chicago to Las Vegas?
Morning flights have the fewest delays. Evening departures experience delays most often.
Which day of the week has the fewest delays on Chicago to Las Vegas flights?
Tuesday has the fewest flight delays on the Chicago to Las Vegas route, at only 15% of flights delayed. Sunday has the most delays at 23%.
Which airline is the most punctual on Chicago to Las Vegas flights?
Allegiant Air is the most punctual airline on Chicago to Las Vegas flights. 89% of flights were on time in the past 3 months.
What’s the most popular layover airport when flying from Chicago to Las Vegas?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Chicago O'Hare Intl (ORD) is the most popular layover for the Chicago to Las Vegas route. 49% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.
What is the cheapest layover airport when flying from Chicago to Las Vegas?
Flights via Fort Lauderdale (FLL) offer the most affordable fares, with an average round-trip price of $146. Based on KAYAK data over the past 3 months.
Which route with a layover is the fastest from Chicago to Las Vegas?
Des Moines (DSM) offers the shortest 1-stop connection from Chicago to Las Vegas at 4h 59m one-way, 48m longer than the 4h 11m direct flight. Based on KAYAK data over the past 3 months.
When flying from Chicago to Las Vegas which airport offers the shortest layover?
Des Moines (DSM) had the shortest average connection time for Chicago to Las Vegas layovers at 2h 49m over the past 3 months.
How many nonstop flights run daily between Chicago and Las Vegas?
There are 18 to 21 flights per day from Chicago to Las Vegas, about 134 flights per week. Sunday has the most departures, with 16% of weekly flights.
What time of day do most flights depart from Chicago to Las Vegas?
Based on KAYAK flight schedules for the upcoming 3 months.Most nonstop flights from Chicago to Las Vegas depart in the morning, accounting for 43% of nonstop departures. Around 8 flights are scheduled in that window over the next three months.
Expert advice
Expert advice for your flight from Chicago to Las Vegas
AI-powered summary based on content written by travel experts. AI can make mistakes.
Our travel experts
Key details for Chicago to Las Vegas flights
Low season | December |
|---|---|
High season | April |
Cheapest flight | $124 |
When to book flights from Chicago to Las Vegas
Are your dates flexible? Find out the best times to travel from Chicago to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Flights from Chicago to Las Vegas: the best tips from KAYAK users' own experiences
Insights shared by verified travelers who flew the route from Chicago to Las Vegas
Your Chicago to Las Vegas flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Chicago to Las Vegas flights
Get tips on when to book, when to fly and what to know before your trip.Prefer to fly direct from Chicago to Las Vegas?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to Las Vegas Harry Reid Intl.
Direct departures
Chicago to Las Vegas Harry Reid Intl
Monday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Tuesday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
Wednesday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Thursday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
Friday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Saturday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Sunday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
Direct returns
Las Vegas Harry Reid Intl to Chicago
Monday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Tuesday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
Wednesday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Thursday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
Friday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Saturday
American Airlines,Frontier,Southwest, +1 more
American Airlines,Frontier, +2 more
Sunday
Allegiant Air,American Airlines,Frontier, +2 more
Allegiant Air,American Airlines, +3 more
More options for your flight from Chicago to Las Vegas
Complete your trip to Las Vegas with a hotel stay or car rental
Other airlines flying from Chicago to Las Vegas
Flights from the other most popular airlines that fly from Chicago to Las Vegas according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Information on your arrival and departure airports
Cabin class types available on flights from Chicago to Las Vegas
Cabin classes available on flights from Chicago to Las Vegas. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Chicago and Las Vegas
Flights from domestic origins to Las Vegas
More flights to Las Vegas. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.