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Cheap flights from Chicago to Las Vegas from £64

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LAS
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in August or January, 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 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 23 March 2026.

Mon 11/520:52
ORD
-
LAS
Nonstop4h 02m
Spirit Airlines
Sat 16/523:51
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 23/3£112
Wed 6/512:40
ORD
-
LAS
1 stop13h 14m
Multiple Airlines
Wed 13/523:51
LAS
-
ORD
Nonstop3h 34m
Multiple Airlines
Deal found 22/3£113
Thu 7/520:52
ORD
-
LAS
Nonstop4h 02m
Spirit Airlines
Thu 28/523:51
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 21/3£127
Thu 7/520:52
ORD
-
LAS
Nonstop4h 02m
Spirit Airlines
Thu 14/523:51
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 22/3£128
Wed 6/512:40
ORD
-
LAS
1 stop13h 14m
Frontier
Tue 12/500:29
LAS
-
ORD
1 stop18h 08m
Frontier
Deal found 22/3£129
Thu 7/513:59
ORD
-
LAS
1 stop8h 52m
Multiple Airlines
Thu 14/523:51
LAS
-
ORD
Nonstop3h 34m
Multiple Airlines
Deal found 22/3£136
Thu 7/513:59
ORD
-
LAS
1 stop8h 52m
Frontier
Thu 14/518:08
LAS
-
ORD
1 stop10h 31m
Frontier
Deal found 22/3£142
Mon 22/621:59
ORD
-
LAS
Nonstop3h 51m
Spirit Airlines
Tue 30/607:30
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 21/3£147
Fri 24/419:59
ORD
-
LAS
1 stop15h 32m
Alaska Airlines
Mon 27/419:42
LAS
-
ORD
1 stop15h 31m
Alaska Airlines
Deal found 19/3£148
Sun 3/507:55
ORD
-
LAS
1 stop8h 30m
Multiple Airlines
Sun 10/523:51
LAS
-
ORD
Nonstop3h 34m
Multiple Airlines
Deal found 19/3£150
Fri 15/520:52
ORD
-
LAS
Nonstop4h 02m
Multiple Airlines
Mon 18/506:30
LAS
-
ORD
1 stop12h 07m
Multiple Airlines
Deal found 19/3£157
Sat 11/416:10
ORD
-
LAS
1 stop8h 36m
Alaska Airlines
Mon 13/419:07
LAS
-
ORD
1 stop17h 14m
Alaska Airlines
Deal found 19/3£163

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 23 March 2026.

Round-trip from

£112

One-way from

£64

Popular in

March

Cheapest in

August

Average price

£257

Good one-way deal

£26 or less
Spirit Airlines
  • Spirit Airlines
  • 11/5-16/5
  • Nonstop
  • 7h 36m total
  • Chicago to Las Vegas
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 23/6
  • Nonstop
  • 3h 51m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
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 858,174 searches. Data last updated 23 March 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 - LAS

ORDLAS

Chicago O'Hare Intl

Wed 6/5

06:15-08:15

Nonstop4h 00m

Las Vegas Harry Reid Intl

Wed 13/5

17:10-22:55

Nonstop3h 45m

£170

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 26/7

06:22-13:58

1 stop9h 36m

Las Vegas Harry Reid Intl

Fri 31/7

11:11-23:39

1 stop10h 28m

£208

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 15/5

16:15-23:05

2 stops8h 50m

Las Vegas Harry Reid Intl

Mon 18/5

05:00-13:15

1 stop6h 15m

£241
Fastest return journey

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 13/9

07:15-09:22

Nonstop4h 07m

Las Vegas Harry Reid Intl

Thu 17/9

23:40-05:10

Nonstop3h 30m

£268

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 7/5

08:00-14:35

2 stops8h 35m

Las Vegas Harry Reid Intl

Thu 14/5

08:45-18:50

2 stops8h 05m

£275

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 9/4

21:47-23:59

Nonstop4h 12m

Las Vegas Harry Reid Intl

Sat 11/4

14:37-20:25

Nonstop3h 48m

£279

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 18/6

14:55-22:44

1 stop9h 49m

Las Vegas Harry Reid Intl

Sun 21/6

07:00-17:30

1 stop8h 30m

£283

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 3/4

18:25-23:55

2 stops7h 30m

Las Vegas Harry Reid Intl

Mon 6/4

23:40-12:50

1 stop11h 10m

£343

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 12/5

08:50-13:59

1 stop7h 09m

Las Vegas Harry Reid Intl

Tue 19/5

17:13-06:20

2 stops11h 07m

£414

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 22/5

16:15-23:05

2 stops8h 50m

Las Vegas Harry Reid Intl

Sun 24/5

09:40-23:55

2 stops12h 15m

£448

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 23 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
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

How far ahead should I book a flight from Chicago to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Chicago to Las Vegas. Price data was last updated on 13 March 2026.

The best time to book flights from Chicago to Las Vegas is 40 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.

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 £43). Flying from Chicago to Las Vegas in March is currently the most expensive (average of £100). 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 23 March 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 at midday, which can drop the price by up to 27% versus a flight in the afternoon.

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 23 March 2026.

The most flights from CHI to LAS are scheduled on a Friday (62 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (32 on average).

How much does it cost for a return flight from Chicago to Las Vegas?

How often are flights from Chicago to Las Vegas delayed?

About 17% 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 13% of flights being delayed.

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 47 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 0 airlines have 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. 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 are the most reliable airlines from Chicago to Las Vegas?

    Consider Turkish Airlines (88%), United Airlines (85%) or Air Canada (84%) 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 £126, our data shows the cheapest flight currently is £26. When looking at the most popular route, (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), you can expect to pay £111 for that flight.

  • 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 £43). Flying from Chicago to Las Vegas in March is currently the most expensive (average of £100). 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
Furnace Creek
Henderson
Kingman

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Alternative routes for Chicago to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
St. Louis to Las Vegas flights

Fly with Cheapflights

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.

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