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Cheap flights from Chicago to Las Vegas from £59

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LAS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in January or February, booked 30 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap 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 17 September 2025.

Round-trip from

£101

One-way from

£59

Popular in

March

Cheapest in

January

Average price

£205

Good one-way deal

£58 or less
Spirit Airlines
  • Spirit Airlines
  • 25/2-27/2
  • Nonstop
  • 7h 40m total
  • Chicago to Las Vegas
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Southwest
  • Southwest
  • 18/1
  • Nonstop
  • 4h 15m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Chicago (CHI) to Las Vegas Harry Reid Intl.
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Find flight deals from Chicago to Las Vegas

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 17 September 2025.

Sun 12/1021:54ORD - LAS
Nonstop4h 05mMultiple Airlines
Sat 18/1018:30LAS - ORD
Nonstop3h 47mMultiple Airlines
Deal found 16/9£101
Tue 7/1006:40ORD - LAS
Nonstop3h 54mMultiple Airlines
Sat 11/1016:29LAS - ORD
1 stop5h 24mMultiple Airlines
Deal found 16/9£102
Tue 7/1006:40ORD - LAS
Nonstop3h 54mMultiple Airlines
Thu 9/1010:06LAS - ORD
1 stop12h 20mMultiple Airlines
Deal found 16/9£103
Thu 30/1016:30ORD - LAS
1 stop8h 42mMultiple Airlines
Wed 5/1100:50LAS - ORD
Nonstop3h 35mMultiple Airlines
Deal found 15/9£103
Sun 5/1006:40ORD - LAS
Nonstop3h 54mMultiple Airlines
Wed 8/1023:03LAS - ORD
1 stop9h 38mMultiple Airlines
Deal found 16/9£104
Mon 6/1010:27ORD - LAS
1 stop15h 21mSpirit Airlines
Thu 9/1006:49LAS - ORD
Nonstop3h 42mSpirit Airlines
Deal found 16/9£106
Sat 4/1017:30ORD - LAS
1 stop8h 20mMultiple Airlines
Fri 10/1018:30LAS - ORD
Nonstop3h 47mMultiple Airlines
Deal found 16/9£107
Mon 20/1006:35ORD - LAS
Nonstop3h 54mSpirit Airlines
Mon 27/1018:30LAS - ORD
Nonstop3h 47mSpirit Airlines
Deal found 15/9£108
Sun 5/1006:40ORD - LAS
Nonstop3h 54mSpirit Airlines
Mon 6/1018:30LAS - ORD
Nonstop3h 47mSpirit Airlines
Deal found 16/9£109
Sat 8/1107:15ORD - LAS
1 stop26h 14mMultiple Airlines
Fri 14/1100:50LAS - ORD
Nonstop3h 35mMultiple Airlines
Deal found 16/9£109
Tue 7/1007:15ORD - LAS
1 stop9h 31mFrontier
Fri 10/1020:05LAS - ORD
1 stop25h 48mFrontier
Deal found 16/9£110
Thu 30/1016:30ORD - LAS
1 stop8h 42mFrontier
Thu 6/1115:20LAS - ORD
1 stop6h 55mFrontier
Deal found 15/9£111

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 17 September 2025.
Use the filters below to find and compare flights from Chicago to Las Vegas that are best for you.

Fly from

Chicago

Fly to

Las Vegas

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 6/10

10:27-23:48

1 stop15h 21m

Las Vegas Harry Reid Intl

Thu 9/10

06:49-12:31

Nonstop3h 42m

£106

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 10/12

13:00-15:05

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 16/12

16:55-22:35

Nonstop3h 40m

£117

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 6/12

20:30-22:35

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 9/12

08:25-21:23

1 stop10h 58m

£122

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 8/12

15:05-21:25

1 stop8h 20m

Las Vegas Harry Reid Intl

Fri 12/12

06:00-14:09

1 stop6h 09m

£131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 8/10

14:20-16:18

Nonstop3h 58m

Las Vegas Harry Reid Intl

Sat 11/10

17:27-23:15

Nonstop3h 48m

£131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 5/10

06:15-08:15

Nonstop4h 00m

Las Vegas Harry Reid Intl

Sat 11/10

18:00-23:40

Nonstop3h 40m

£150

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 8/12

15:05-21:25

1 stop8h 20m

Las Vegas Harry Reid Intl

Wed 17/12

07:25-23:50

1 stop14h 25m

£153

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 20/1

14:59-20:50

1 stop7h 51m

Las Vegas Harry Reid Intl

Tue 27/1

06:00-13:59

1 stop5h 59m

£161

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 19/1

14:59-20:50

1 stop7h 51m

Las Vegas Harry Reid Intl

Mon 26/1

06:00-13:59

1 stop5h 59m

£167

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 4/12

15:05-21:25

1 stop8h 20m

Las Vegas Harry Reid Intl

Sat 13/12

14:57-23:50

1 stop6h 53m

£169

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 results
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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 12 September 2025.

The best time to book flights from Chicago to Las Vegas is 30 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 £689). Flying from Chicago to Las Vegas in July is currently the most expensive (average of £1,020). 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 17 September 2025.

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 48% 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 17 September 2025.

The most flights from CHI to LAS are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

What’s the top stopover airport for flights from Chicago to Las Vegas?

Share of one-stop return flights from Chicago to Las Vegas chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Minneapolis (MSP) – chosen by Cheapflights users on 67% of one-stop itineraries from Chicago to Las Vegas on Cheapflights.

What’s the cheapest stopover airport for flights from Chicago to Las Vegas?

Average return fare for one-stop flights from Chicago to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

San Diego (SAN) is the most affordable one-stop option, with an average return flight price of £167.

What’s the fastest stopover option from Chicago to Las Vegas?

Shortest average travel time for one-stop one-way flights from Chicago to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via San Diego (SAN) have the shortest average one-way travel time for one-stop routes: 7h 51m.

Which airport typically offers the quickest stopover for flights from Chicago to Las Vegas?

Average stopover duration for one-stop one-way flights from Chicago to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Diego (SAN) offer the fastest connection on this route, with an average stopover time of 1h 29m.

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 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 05m. 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 Spirit Airlines is currently your cheapest option to Las Vegas, with prices starting at £33. Spirit Airlines is priced at 82% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Las Vegas one-way?

    The cheapet airlines for a one-way flight from Chicago to Las Vegas are Southwest (£59), Spirit Airlines (£61), and Alaska Airlines (£65).

  • What are the most reliable airlines from Chicago to Las Vegas?

    Consider Spirit Airlines (87%), Turkish Airlines (87%) or Air Canada (83%) 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 £58, our data shows the cheapest flight currently is £53. When looking at the most popular route, (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), you can expect to pay £127 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 £689). Flying from Chicago to Las Vegas in July is currently the most expensive (average of £1,020). 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
Kingman
Henderson
Paradise

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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

Top airline flying from Chicago to Las Vegas

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 858,174 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£33Average£164FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines 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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