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 Monday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Chicago to Las Vegas delayed?

About 16% of weekly flights between Chicago and Las Vegas have experienced delays in the past year, with the average delay time being 154 minutes.

Which airline has the best punctuality record on Chicago to Las Vegas flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

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.

How long is the flight from Chicago O'Hare Intl Airport to Las Vegas?

A quick flight from Chicago O'Hare Intl Airport to Las Vegas can take about 4h 14m. United Airlines provides one of the quickest options available for as low as $159. The distance from Chicago O'Hare Intl Airport to Las Vegas is about 1510 mi. All flights are typically nonstop.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Las Vegas round-trip?

Frontier, at $57, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Las Vegas.Alternate airlines to your destination round-trip include Spirit Airlines and JetBlue. Users have found that Frontier is 79% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Las Vegas one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $37. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Chicago O'Hare Intl Airport to Las Vegas for a low price.

Weekly flight availability from Chicago O'Hare Intl Airport to Las Vegas

The most flights from ORD to LAS are scheduled on a Friday (41 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the cheapest flights from Chicago O'Hare Intl Airport to Las Vegas?

On average you can expect to pay $795 for a flight from Chicago O'Hare Intl Airport to Las Vegas. The cheapest flight overall is $72 while the most popular route, (Chicago O'Hare Intl - Las Vegas Harry Reid Intl) is currently priced at $103.

What are the most reliable airlines from Chicago O'Hare Intl Airport to Las Vegas?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Las Vegas on time: Brussels Airlines (83%), Qatar Airways (83%), Turkish Airlines (83%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Las Vegas?

When booking a flight from Chicago O'Hare Intl Airport to Las Vegas, you may want to consider flying on American Airlines, Spirit Airlines or United Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Las Vegas flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Las Vegas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Las Vegas from Chicago O'Hare Intl?

Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Chicago O'Hare Intl. On average, Harry Reid Intl has 27 inbound flights from Chicago O'Hare Intl per day from 8 airlines. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.

Can I find deals for flights from O'Hare Intl to Las Vegas that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Las Vegas?

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

Can I find deals for business class flights from O'Hare Intl to Las Vegas?

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

$66+ Flights from Chicago O'Hare Intl Airport to Las Vegas

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in August or January, booked 22 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from O'Hare Intl to Las Vegas

Cheapest flights from O'Hare Intl to Las Vegas
Explore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Wed 12/3112:39 pmORD - LAS

1 stop11h 13mFrontier

Fri 1/93:42 pmLAS - ORD

Nonstop3h 50mFrontier

Deal found 12/21

$235

Wed 12/3112:39 pmORD - LAS

1 stop11h 13mFrontier

Thu 1/86:40 amLAS - ORD

1 stop6h 17mFrontier

Deal found 12/21

$240

Wed 12/3112:39 pmORD - LAS

1 stop11h 13mFrontier

Wed 1/710:58 pmLAS - ORD

1 stop10h 37mFrontier

Deal found 12/21

$246

Wed 12/3112:39 pmORD - LAS

1 stop11h 13mMultiple Airlines

Tue 1/69:48 pmLAS - ORD

1 stop12h 51mMultiple Airlines

Deal found 12/21

$280

Wed 12/3112:39 pmORD - LAS

1 stop11h 13mFrontier

Wed 12/3112:59 amLAS - ORD

1 stop21h 13mFrontier

Deal found 12/21

$283

Wed 12/317:00 amORD - LAS

1 stop18h 42mMultiple Airlines

Sun 1/43:47 pmLAS - ORD

1 stop12h 18mMultiple Airlines

Deal found 12/22

$285

Best flights from O'Hare Intl to Las Vegas
Discover carefully curated flight deals from O'Hare Intl to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Sun 1/257:45 pmORD - LAS

Nonstop4h 14mUnited Airlines

Thu 1/2911:30 pmLAS - ORD

Nonstop3h 36mUnited Airlines

Deal found 12/22

$159

Mon 2/97:15 amORD - LAS

Nonstop4h 15mSouthwest

Sat 2/145:00 pmLAS - ORD

Nonstop3h 35mSouthwest

Deal found 12/22

$184

Sun 1/119:00 amORD - LAS

1 stop8h 35mAlaska Airlines

Sat 1/176:00 amLAS - ORD

1 stop6h 29mAlaska Airlines

Deal found 12/21

$204

Wed 1/287:35 amORD - LAS

Nonstop4h 14mUnited Airlines

Sat 1/312:30 pmLAS - ORD

Nonstop3h 46mUnited Airlines

Deal found 12/21

$198

Sun 2/89:00 amORD - LAS

1 stop7h 11mAlaska Airlines

Fri 2/136:00 amLAS - ORD

1 stop6h 58mAlaska Airlines

Deal found 12/22

$216

Thu 1/227:35 amORD - LAS

Nonstop4h 14mUnited Airlines

Sat 1/2412:31 pmLAS - ORD

Nonstop3h 44mUnited Airlines

Deal found 12/22

$198

Wed 1/287:15 amORD - LAS

Nonstop4h 15mSouthwest

Tue 2/36:00 amLAS - ORD

1 stop5h 30mSouthwest

Deal found 12/21

$218

Mon 1/193:44 pmORD - LAS

1 stop9h 44mAlaska Airlines

Fri 1/237:52 pmLAS - ORD

1 stop16h 37mAlaska Airlines

Deal found 12/22

$227

Tue 1/207:35 amORD - LAS

Nonstop4h 14mUnited Airlines

Sat 1/247:15 amLAS - ORD

Nonstop3h 46mUnited Airlines

Deal found 12/22

$235

Tue 1/207:35 amORD - LAS

Nonstop4h 14mUnited Airlines

Thu 1/2212:30 amLAS - ORD

Nonstop3h 38mUnited Airlines

Deal found 12/21

$235

Last-minute flights from O'Hare Intl to Las Vegas
Discover last-minute flight deals from O'Hare Intl to Las Vegas. Data last updated December 23, 2025 and is based on user searches.

Sun 1/118:49 pmORD - LAS

Nonstop4h 14mFrontier

Fri 1/163:19 pmLAS - ORD

Nonstop3h 52mFrontier

Deal found 12/22

$140

Sun 1/118:49 pmORD - LAS

Nonstop4h 14mFrontier

Thu 1/151:25 pmLAS - ORD

1 stop7h 51mFrontier

Deal found 12/22

$141

Mon 1/1210:37 pmORD - LAS

Nonstop4h 09mFrontier

Fri 1/232:38 pmLAS - ORD

Nonstop3h 51mFrontier

Deal found 12/21

$132

Mon 1/1210:37 pmORD - LAS

Nonstop4h 09mFrontier

Sun 1/186:52 pmLAS - ORD

1 stop13h 51mFrontier

Deal found 12/22

$136

Mon 1/1210:37 pmORD - LAS

Nonstop4h 09mFrontier

Sat 1/1711:37 pmLAS - ORD

1 stop10h 31mFrontier

Deal found 12/22

$139

Mon 1/123:22 pmORD - LAS

1 stop10h 07mMultiple Airlines

Sun 1/186:00 amLAS - ORD

1 stop11h 36mMultiple Airlines

Deal found 12/20

$143

Tue 1/1312:00 pmORD - LAS

1 stop28h 48mFrontier

Thu 1/151:25 pmLAS - ORD

1 stop7h 51mFrontier

Deal found 12/22

$142

Sat 1/174:07 pmORD - LAS

Nonstop4h 10mUnited Airlines

Tue 1/2011:30 pmLAS - ORD

Nonstop3h 36mUnited Airlines

Deal found 12/22

$131

Sun 1/1810:41 pmORD - LAS

Nonstop4h 18mFrontier

Fri 1/232:38 pmLAS - ORD

Nonstop3h 51mFrontier

Deal found 12/21

$134

Sun 1/1810:41 pmORD - LAS

Nonstop4h 18mMultiple Airlines

Tue 1/209:59 pmLAS - ORD

1 stop11h 23mMultiple Airlines

Deal found 12/21

$138

Sun 1/259:38 pmORD - LAS

Nonstop4h 21mMultiple Airlines

Tue 1/279:59 pmLAS - ORD

1 stop11h 23mMultiple Airlines

Deal found 12/21

$137

Fri 1/309:38 pmORD - LAS

Nonstop4h 21mFrontier

Fri 2/610:59 amLAS - ORD

1 stop8h 46mFrontier

Deal found 12/23

$133

One-way flights from O'Hare Intl to Las Vegas
Search for one-way flight options from O'Hare Intl to Las Vegas. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Tue 1/207:35 amORD - LAS

Nonstop4h 14mUnited Airlines

Deal found 12/22

$66

Fri 2/69:38 pmORD - LAS

Nonstop4h 21mFrontier

Deal found 12/22

$67

Sat 1/176:02 pmORD - LAS

1 stop22h 46mFrontier

Deal found 12/23

$68

Wed 1/77:57 pmORD - LAS

Nonstop4h 14mSpirit Airlines

Deal found 12/22

$69

Mon 1/126:10 pmORD - LAS

1 stop19h 07mFrontier

Deal found 12/22

$70

Sun 1/256:41 amORD - LAS

1 stop10h 07mFrontier

Deal found 12/22

$72

Fri 1/1610:41 pmORD - LAS

Nonstop4h 18mFrontier

Deal found 12/21

$73

Tue 1/272:53 pmORD - LAS

1 stop9h 35mFrontier

Deal found 12/23

$74

Wed 2/43:22 pmORD - LAS

1 stop9h 39mSpirit Airlines

Deal found 12/22

$75

Wed 2/181:45 pmORD - LAS

1 stop7h 05mSouthwest

Deal found 12/22

$76

Mon 2/29:00 amORD - LAS

1 stop7h 48mFrontier

Deal found 12/23

$77

Sun 2/1512:56 pmORD - LAS

1 stop11h 49mFrontier

Deal found 12/23

$78

Find flight deals from O'Hare Intl to Las Vegas

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$131 (United Airlines)
One-way from	$66 (United Airlines)
Popular in	December
Cheapest in	August
Average price	$329
Good round-trip deal	$210 or less
Good one-way deal	$128 or less

Provider with most accurate pricing for Chicago O'Hare Intl-Las Vegas Harry Reid Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Las Vegas Harry Reid Intl flights.

Search Deals

From Chicago O'Hare Intl to Las Vegas Harry Reid Intl

Search Deals

One-way flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.

Search Deals

Price to beat on a one-way flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/25

7:45 pm-9:59 pm

Nonstop4h 14m

Las Vegas Harry Reid Intl

Thu 1/29

11:30 pm-5:06 am

Nonstop3h 36m

$159

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 2/9

7:15 am-9:30 am

Nonstop4h 15m

Las Vegas Harry Reid Intl

Sat 2/14

5:00 pm-10:35 pm

Nonstop3h 35m

$184

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 1/28

7:35 am-9:49 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Sat 1/31

2:30 pm-8:16 pm

Nonstop3h 46m

$198

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 1/22

7:35 am-9:49 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Sat 1/24

12:31 pm-6:15 pm

Nonstop3h 44m

$198

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/11

9:00 am-3:35 pm

1 stop8h 35m

Las Vegas Harry Reid Intl

Sat 1/17

6:00 am-2:29 pm

1 stop6h 29m

$204

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 2/8

9:00 am-2:11 pm

1 stop7h 11m

Las Vegas Harry Reid Intl

Fri 2/13

6:00 am-2:58 pm

1 stop6h 58m

$216

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 1/28

7:15 am-9:30 am

Nonstop4h 15m

Las Vegas Harry Reid Intl

Tue 2/3

6:00 am-1:30 pm

1 stop5h 30m

$218

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 1/19

3:44 pm-11:28 pm

1 stop9h 44m

Las Vegas Harry Reid Intl

Fri 1/23

7:52 pm-2:29 pm

1 stop16h 37m

$227

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 1/20

7:35 am-9:49 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Sat 1/24

7:15 am-1:01 pm

Nonstop3h 46m

$235

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 1/20

7:35 am-9:49 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Thu 1/22

12:30 am-6:08 am

Nonstop3h 38m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 21 results

Compare providers for flights from O'Hare Intl to Las Vegas

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Las Vegas in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Las Vegas flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Las Vegas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Las Vegas flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from O'Hare Intl with our price prediction graph.

Estimated round-trip 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 O'Hare Intl Airport to Las Vegas

Prices

Airlines

Delays

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Las Vegas?

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Las Vegas, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Las Vegas?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of $77). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of $125). 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 ORD to LAS?

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets in the evening.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Las Vegas?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Las Vegas flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Chicago O'Hare Intl Airport to Las Vegas flights

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Las Vegas trip

Airlines

Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom and larger tray tables.

Spirit's Saver$ Club offers rotating deals and discounts on luggage and seats.

United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.

United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.

Frontier

Frontier's UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.

Frontier offers Zone 1 boarding with a carry-on bag or special fare bundle purchase.

Southwest

Southwest offers free messaging and high-speed Wi-Fi for a fee, enhancing in-flight connectivity.

Southwest's Early Bird check-in ensures priority boarding, ideal for business travelers.

Airports

ORD

For a quick snack before your flight, grab Garrett Popcorn near gate B8, a Chicago favorite.

LAS

For a smooth arrival at LAS, wait to request your rideshare until near the parking garage to avoid long waits.

Our travel experts

Daniel Scheffler

Expert on Spirit Airlines

Harriet Baskas

Expert on United Airlines

Marisa Garcia

Expert on Frontier and Southwest

Ramsey Qubein

Expert on ORD and LAS

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Las Vegas, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,253 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,105 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,196 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,075 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly into for flights to Las Vegas from Chicago O'Hare Intl?
Most people fly into Las Vegas Harry Reid Intl (LAS) if they book a flight to Las Vegas from Chicago O'Hare Intl. On average, Harry Reid Intl has 27 inbound flights from Chicago O'Hare Intl per day from 8 airlines. Las Vegas Harry Reid Intl is conveniently located just 6.2 mi from Las Vegas’s city center.
How long is the flight from Chicago O'Hare Intl Airport to Las Vegas?
A quick flight from Chicago O'Hare Intl Airport to Las Vegas can take about 4h 14m. United Airlines provides one of the quickest options available for as low as $159. The distance from Chicago O'Hare Intl Airport to Las Vegas is about 1510 mi. All flights are typically nonstop.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Las Vegas round-trip?
Frontier, at $57, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Las Vegas.Alternate airlines to your destination round-trip include Spirit Airlines and JetBlue. Users have found that Frontier is 79% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Las Vegas one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $37. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Chicago O'Hare Intl Airport to Las Vegas for a low price.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Las Vegas?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to Las Vegas on time: Brussels Airlines (83%), Qatar Airways (83%), Turkish Airlines (83%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Las Vegas?
On average you can expect to pay $795 for a flight from Chicago O'Hare Intl Airport to Las Vegas. The cheapest flight overall is $72 while the most popular route, (Chicago O'Hare Intl - Las Vegas Harry Reid Intl) is currently priced at $103.
Can I find deals for flights from O'Hare Intl to Las Vegas that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Las Vegas.
Can I find deals for business class flights from O'Hare Intl to Las Vegas?
Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of $77). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of $125). 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

Paradise

Henderson

North Las Vegas

Kingman

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Top 8 airlines flying from O'Hare Intl to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$59	Average$204	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$90	Average$183	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$115	Average$167	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$159	Average$359	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$159	Average$325	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$159	Average$323	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$182	Average$364	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$222	Average$347	FlexibilityNo cancel fee	On-time75%

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$66+ Cheap flights from O'Hare Intl (ORD) to Las Vegas (LAS)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in August or January, booked 22 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from O'Hare Intl to Las Vegas

Cheapest flights from O'Hare Intl to Las VegasExplore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

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Everything you need to know about your flight from Chicago O'Hare Intl Airport to Las Vegas

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Las Vegas?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Las Vegas?

What is the cheapest time of day to fly from ORD to LAS?

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Weekly flight availability from Chicago O'Hare Intl Airport to Las Vegas

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The best insider tips for Chicago O'Hare Intl Airport to Las Vegas flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Las Vegas trip

Airlines

Spirit Airlines

United Airlines

Frontier

Southwest

Airports

ORD

LAS

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Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Las Vegas, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Can I find deals for flights from O'Hare Intl to Las Vegas that include hotel bookings?

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Top 8 airlines flying from O'Hare Intl to Las Vegas

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Cheapest flights from O'Hare Intl to Las Vegas
Explore the most affordable flight options available from O'Hare Intl to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.