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Cheap flights from Chicago to Las Vegas from £83

CHI — LAS
5 Nov — 12 Nov1
1 adult
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 Wednesday 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 flights from Chicago to Las Vegas

Mon 16/1120:30 -
1 stop12h 07m
Mon 23/1123:26 -
Nonstop3h 44m
Deal found 2/10£172
Tue 3/1113:20 -
1 stop6h 05m
Sat 7/1105:55 -
2 stops6h 35m
Deal found 5/10£174
Mon 16/1113:20 -
1 stop6h 05m
Tue 24/1113:50 -
1 stop4h 45m
Deal found 5/10£175
Tue 10/1110:10 -
1 stop5h 15m
Sat 14/1108:05 -
2 stops7h 00m
Deal found 5/10£176
Sat 7/1113:25 -
1 stop5h 10m
Mon 9/1123:35 -
1 stop5h 40m
Deal found 5/10£178
Tue 1/1206:05 -
1 stop6h 55m
Sat 5/1205:55 -
2 stops6h 35m
Deal found 5/10£179
Sat 7/1115:40 -
1 stop7h 15m
Tue 10/1115:09 -
1 stop6h 45m
Deal found 5/10£179
Wed 28/1012:49 -
1 stop7h 32m
Wed 28/1023:34 -
1 stop7h 58m
Deal found 5/10£179
Mon 26/1020:25 -
Nonstop3h 55m
Mon 26/1000:10 -
Nonstop3h 30m
Deal found 5/10£181
Tue 27/1018:07 -
Nonstop4h 16m
Fri 30/1006:00 -
Nonstop3h 46m
Deal found 5/10£182
Mon 2/1105:45 -
Nonstop4h 00m
Wed 4/1117:00 -
Nonstop3h 25m
Deal found 5/10£182
Mon 2/1106:20 -
1 stop5h 55m
Tue 10/1113:25 -
1 stop6h 22m
Deal found 5/10£183

Find flight deals from Chicago to Las Vegas

Round-trip from

£171

One-way from

£83

Popular in

October

Cheapest in

January

Average price

£282
Frontier
  • Frontier
  • 16/11-24/11
  • 2 total stops
  • 20h 36m total
  • Chicago to Las Vegas
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Southwest
  • Southwest
  • 20/1-31/12
  • 1 total stop
  • 7h 45m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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

Tue 24/11

09:59-16:26

1 stop8h 27m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£90

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Thu 17/12

10:05-13:25

1 stop5h 20m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£91

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Thu 17/12

12:34-16:30

1 stop5h 56m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£95
Fastest return journey

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Thu 29/10

11:50-13:45

Nonstop3h 55m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£120

ChicagoLas Vegas

ORD Chicago O'Hare Intl - LAS Las Vegas Harry Reid Intl

ORDLAS

Chicago O'Hare Intl

Sat 19/12

21:47-00:01

Nonstop4h 14m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£126

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Sat 5/12

18:15-20:20

Nonstop4h 05m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£126

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Tue 3/11

20:50-22:55

Nonstop4h 05m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£126

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Wed 25/11

13:05-20:48

1 stop9h 43m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£133

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Sat 20/3

13:00-20:01

1 stop9h 01m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£133

ChicagoLas Vegas

MDW Chicago Midway - LAS Las Vegas Harry Reid Intl

MDWLAS

Chicago Midway

Sat 3/4

16:30-23:20

1 stop8h 50m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£133

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 41 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Chicago to Las Vegas

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 £188). Flying from Chicago to Las Vegas in October is currently the most expensive (average of £280). 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?

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 41% versus a flight at midday.

Weekly flight availability from Chicago to Las Vegas

The most flights from CHI to LAS are scheduled on a Sunday (63 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 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 £211 and £365 in November.
The cheapest return price found within the last 5 days was £171 on Frontier (16 Nov–24 Nov).

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 151 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

  • 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 34 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 4h 10m. There are 1516 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 £190. Frontier is priced at 25% 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 (79%), Frontier (78%) or Volaris (78%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Las Vegas.

  • Can I find deals for flights from Chicago to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Chicago to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Las Vegas.

  • 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 £188). Flying from Chicago to Las Vegas in October is currently the most expensive (average of £280). 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.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Furnace Creek
Henderson

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Alternative routes for Chicago to Las Vegas

O'Hare Intl to Las Vegas flights
St. Louis to Las Vegas flights

Top airline flying from Chicago to Las Vegas

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£190Average£217FlexibilityNo cancel feeOn-time62%
Search Frontier flights

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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.

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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.

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