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Cheap flights from Chicago to Las Vegas from £62

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LAS
19 Mar — 26 Mar1
1 adult

The best prices from Chicago to Las Vegas Harry Reid Intl are usually found in September or August, booked 84 days in advance, depart on a Tuesday or Friday and return on a Wednesday

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 14 March 2025.

Round-trip from

£104

One-way from

£62

Popular in

March

Cheapest in

September

Average price

£245
Spirit Airlines
  • Spirit Airlines
  • 2/4-9/4
  • 3 total stops
  • 25h 35m total
  • Chicago to Las Vegas
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United Airlines
  • United Airlines
  • 17/5
  • Nonstop
  • 4h 12m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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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 14 March 2025.

Wed 2/411:04ORD - LAS
3 stops21h 57mSpirit Airlines
Wed 9/400:55LAS - ORD
Nonstop3h 38mSpirit Airlines
Deal found 12/3£104
Sat 12/413:14ORD - LAS
Nonstop4h 12mUnited Airlines
Tue 15/407:00LAS - ORD
Nonstop3h 45mUnited Airlines
Deal found 12/3£123
Thu 10/406:45ORD - LAS
1 stop11h 25mFrontier
Thu 17/423:15LAS - ORD
Nonstop3h 39mFrontier
Deal found 13/3£126
Wed 9/406:15ORD - LAS
Nonstop3h 55mSouthwest
Sat 12/417:55LAS - ORD
Nonstop3h 45mSouthwest
Deal found 13/3£130
Thu 10/419:39ORD - LAS
Nonstop4h 31mMultiple Airlines
Wed 16/400:55LAS - ORD
Nonstop3h 38mMultiple Airlines
Deal found 13/3£137
Mon 28/419:00ORD - LAS
1 stop6h 25mDelta
Fri 2/500:35LAS - ORD
1 stop9h 45mDelta
Deal found 13/3£183
Wed 23/412:00ORD - LAS
1 stop10h 10mAlaska Airlines
Wed 30/419:14LAS - ORD
1 stop8h 51mAlaska Airlines
Deal found 12/3£188
Thu 15/520:05ORD - LAS
1 stop13h 28mSun Country Air
Sun 18/523:59LAS - ORD
1 stop17h 10mSun Country Air
Deal found 14/3£212

Find flights from Chicago to Las Vegas within your budget

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 14 March 2025.

Fly from

Chicago

Fly to

Las Vegas

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 2/4

11:04-07:01

3 stops21h 57m

Las Vegas Harry Reid Intl

Wed 9/4

00:55-06:33

Nonstop3h 38m

£104

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 12/4

13:14-15:26

Nonstop4h 12m

Las Vegas Harry Reid Intl

Tue 15/4

07:00-12:45

Nonstop3h 45m

£123

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 10/4

06:45-16:10

1 stop11h 25m

Las Vegas Harry Reid Intl

Thu 17/4

23:15-04:54

Nonstop3h 39m

£126

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 9/4

06:15-08:10

Nonstop3h 55m

Las Vegas Harry Reid Intl

Sat 12/4

17:55-23:40

Nonstop3h 45m

£130

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 10/4

19:39-22:10

Nonstop4h 31m

Las Vegas Harry Reid Intl

Wed 16/4

00:55-06:33

Nonstop3h 38m

£137

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 28/4

09:30-14:23

1 stop6h 53m

Las Vegas Harry Reid Intl

Wed 7/5

06:00-14:28

1 stop6h 28m

£183

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 23/4

12:00-20:10

1 stop10h 10m

Las Vegas Harry Reid Intl

Wed 30/4

19:14-06:05

1 stop8h 51m

£188

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 15/5

20:05-07:33

1 stop13h 28m

Las Vegas Harry Reid Intl

Sun 18/5

23:59-19:09

1 stop17h 10m

£212

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 17/5

13:45-15:57

Nonstop4h 12m

£62

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 6/5

18:58-10:12

1 stop17h 14m

£73

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 12 results
1
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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.

Travel insights for flights from Chicago to Las Vegas

Get recent, data-driven insights about flights from Chicago to Las Vegas including ideal travel times, pricing trends, and more.

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 7 March 2025.

The best time to book flights from Chicago to Las Vegas is 84 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 14 March 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 in the evening, which can drop the price by up to 26% 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 14 March 2025.

The most flights from CHI to LAS are scheduled on a Thursday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 14 March 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Chicago to Las Vegas. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very Good
4,292 reviews
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very Good
9,734 reviews
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very Good
7,944 reviews
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
2,953 reviews
Southwest
8.1
Very Good
4,292 reviews
Check prices

Crew

8.7

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 34 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 2 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.

  • What are the cheapest airlines flying from Chicago to Las Vegas round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Las Vegas, with prices starting at £104. Additional return tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at £123 and £130, respectively. Spirit Airlines is priced at 46% 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 United Airlines (£62), Alaska Airlines (£73), and Delta (£92).

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

    Consider Southwest (98%), SWISS (85%) or Air Canada (83%) 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 £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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
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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 2 airlines flying from Chicago to Las Vegas

Discover the top 2 airlines 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 14 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£69Average£172FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Spirit AirlinesCheapest£84Average£178FlexibilityNo 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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