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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 97

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in October or August, booked 30 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 29 July 2025.

Round-trip from

C$ 192

One-way from

C$ 97

Popular in

December

Cheapest in

October

Average price

C$ 353

Good one-way deal

C$ 99 or less
Spirit Airlines
  • Spirit Airlines
  • 28/9-30/9
  • Nonstop
  • 7h 41m total
  • Chicago to Las Vegas
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Frontier
  • Frontier
  • 29/9
  • Nonstop
  • 4h 11m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 0 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.
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Find 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 29 July 2025.

Fri 7/116:00 a.m.ORD - LAS
Nonstop3h 54mSpirit Airlines
Mon 10/115:56 p.m.LAS - ORD
Nonstop3h 47mSpirit Airlines
Deal found 29/7C$ 167
Fri 7/119:52 p.m.ORD - LAS
Nonstop4h 06mFrontier
Fri 14/112:59 p.m.LAS - ORD
Nonstop4h 00mFrontier
Deal found 28/7C$ 176
Sun 7/129:16 a.m.ORD - LAS
Nonstop4h 13mUnited Airlines
Wed 10/127:15 a.m.LAS - ORD
Nonstop3h 43mUnited Airlines
Deal found 27/7C$ 218
Thu 11/96:15 a.m.ORD - LAS
Nonstop3h 50mSouthwest
Wed 17/95:55 p.m.LAS - ORD
Nonstop3h 45mSouthwest
Deal found 27/7C$ 237
Tue 14/108:20 a.m.ORD - LAS
1 stop9h 49mAlaska Airlines
Fri 17/106:51 p.m.LAS - ORD
1 stop17h 59mAlaska Airlines
Deal found 28/7C$ 244
Fri 15/89:56 p.m.ORD - LAS
Nonstop4h 09mMultiple Airlines
Sun 17/86:00 a.m.LAS - ORD
Nonstop3h 43mMultiple Airlines
Deal found 28/7C$ 254
Mon 27/106:00 a.m.ORD - LAS
1 stop10h 47mHawaiian Airlines
Thu 30/102:52 p.m.LAS - ORD
1 stop7h 07mHawaiian Airlines
Deal found 28/7C$ 263

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 629,999 searches. Data last updated 29 July 2025.
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

O'Hare Intl

Fly to

Las Vegas

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 28/9

8:01 p.m.-10:06 p.m.

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 30/9

11:13 p.m.-4:49 a.m.

Nonstop3h 36m

C$ 192

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 30/8

8:44 p.m.-10:49 p.m.

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 2/9

11:55 p.m.-5:40 a.m.

Nonstop3h 45m

C$ 218

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 11/9

6:15 a.m.-8:05 a.m.

Nonstop3h 50m

Las Vegas Harry Reid Intl

Wed 17/9

5:55 p.m.-11:40 p.m.

Nonstop3h 45m

C$ 237

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 14/10

8:20 a.m.-4:09 p.m.

1 stop9h 49m

Las Vegas Harry Reid Intl

Fri 17/10

6:51 p.m.-2:50 p.m.

1 stop17h 59m

C$ 244

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 15/8

9:56 p.m.-12:05 a.m.

Nonstop4h 09m

Las Vegas Harry Reid Intl

Sun 17/8

6:00 a.m.-11:43 a.m.

Nonstop3h 43m

C$ 254

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 15/8

9:56 p.m.-12:05 a.m.

Nonstop4h 09m

Las Vegas Harry Reid Intl

Sat 16/8

12:59 a.m.-12:32 a.m.

1 stop21h 33m

C$ 258

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 27/9

12:05 p.m.-8:26 p.m.

1 stop10h 21m

Las Vegas Harry Reid Intl

Tue 30/9

11:45 a.m.-12:03 a.m.

1 stop10h 18m

C$ 265

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 18/8

2:15 p.m.-6:06 p.m.

1 stop5h 51m

Las Vegas Harry Reid Intl

Mon 18/8

12:35 a.m.-8:24 a.m.

1 stop5h 49m

C$ 325

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 2/9

7:45 p.m.-9:48 p.m.

Nonstop4h 03m

Las Vegas Harry Reid Intl

Tue 2/9

11:59 p.m.-5:39 a.m.

Nonstop3h 40m

C$ 335

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 29/9

9:54 p.m.-12:05 a.m.

Nonstop4h 11m

C$ 97

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 17 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Las Vegas. Price data was last updated on 25 July 2025.

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 30 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 C$ 212). Flying from Chicago O'Hare Intl Airport to Las Vegas in August is currently the most expensive (average of C$ 299). 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?

Find hourly flight availability from O'Hare Intl 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 29 July 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 52% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets at noon.

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

Explore weekly flight availability from O'Hare Intl 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 29 July 2025.

The most flights from ORD to LAS are scheduled on a Monday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

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 29 July 2025.
Check out reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Chicago O'Hare Intl Airport to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 28 inbound flights from Chicago O'Hare Intl per day from 1 airline. Las Vegas Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.

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

    Flying on Spirit Airlines is currently your cheapest option to Las Vegas, with prices starting at C$ 192. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at C$ 218 and C$ 237, respectively. Spirit Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

    C$ 97 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from C$ 110 and C$ 122, respectively.

  • 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: Air Canada (86%), Spirit Airlines (82%), Southwest (82%).

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

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Las Vegas? While on average our users pay C$ 109, our data indicates the cheapest price to be C$ 99. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around C$ 185.

  • 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 C$ 212). Flying from Chicago O'Hare Intl Airport to Las Vegas in August is currently the most expensive (average of C$ 299). 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
Henderson
Boulder City
North Las Vegas
Paradise

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Top airline flying from O'Hare Intl to Las Vegas

Discover the top airline that operate flights from O'Hare Intl 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 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 109AverageC$ 345FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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Yes, we can. To see specific flights from O'Hare Intl to Las Vegas with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Las Vegas become cheaper?

Yes! Start tracking prices for O'Hare Intl to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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