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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 78

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
25 Feb — 4 Mar1
1 adult

The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in September or October, booked 64 days in advance, depart on a Saturday or Monday and return on a Saturday

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 20 February 2025.

Round-trip from

C$ 269

One-way from

C$ 78

Popular in

March

Cheapest in

September

Average price

C$ 368
United Airlines
  • United Airlines
  • 23/4-23/4
  • Nonstop
  • 7h 53m total
  • Chicago to Las Vegas
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Frontier
  • Frontier
  • 8/4
  • 1 total stop
  • 9h 20m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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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 20 February 2025.

Wed 23/44:20 p.m.ORD - LAS
Nonstop4h 13mUnited Airlines
Wed 23/411:59 p.m.LAS - ORD
Nonstop3h 40mUnited Airlines
Deal found 18/2C$ 269
Sat 22/27:59 p.m.ORD - LAS
Nonstop4h 16mFrontier
Sat 1/311:21 p.m.LAS - ORD
Nonstop3h 44mFrontier
Deal found 19/2C$ 322
Sat 5/46:00 a.m.ORD - LAS
Nonstop4h 05mSouthwest
Sat 12/45:55 p.m.LAS - ORD
Nonstop3h 45mSouthwest
Deal found 19/2C$ 332
Tue 18/31:26 p.m.ORD - LAS
1 stop8h 18mDelta
Wed 26/36:15 a.m.LAS - ORD
1 stop8h 00mDelta
Deal found 19/2C$ 337
Sat 5/47:16 p.m.ORD - LAS
1 stop15h 20mAlaska Airlines
Tue 8/46:15 a.m.LAS - ORD
2 stops10h 01mAlaska Airlines
Deal found 19/2C$ 365
Thu 27/36:59 p.m.ORD - LAS
Nonstop4h 33mMultiple Airlines
Sun 30/310:30 p.m.LAS - ORD
1 stop10h 39mMultiple Airlines
Deal found 19/2C$ 367
Sun 27/78:10 p.m.ORD - LAS
1 stop15h 38mSun Country Air
Thu 31/76:50 p.m.LAS - ORD
1 stop22h 21mSun Country Air
Deal found 20/2C$ 405
Sat 22/21:32 p.m.ORD - LAS
Nonstop4h 14mSpirit Airlines
Fri 28/212:30 a.m.LAS - ORD
Nonstop3h 37mSpirit Airlines
Deal found 19/2C$ 456

Find flights from O'Hare Intl to Las Vegas within your budget

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 20 February 2025.

Fly from

O'Hare Intl

Fly to

Las Vegas

Route

Depart

Return

Price

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 23/4

4:20 p.m.-6:33 p.m.

Nonstop4h 13m

Las Vegas Harry Reid Intl

Wed 23/4

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

Nonstop3h 40m

C$ 269

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 5/4

6:00 a.m.-8:05 a.m.

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sat 12/4

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

Nonstop3h 45m

C$ 332

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 18/3

1:26 p.m.-7:44 p.m.

1 stop8h 18m

Las Vegas Harry Reid Intl

Wed 26/3

6:15 a.m.-4:15 p.m.

1 stop8h 00m

C$ 337

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 5/4

7:16 p.m.-8:36 a.m.

1 stop15h 20m

Las Vegas Harry Reid Intl

Tue 8/4

6:15 a.m.-6:16 p.m.

2 stops10h 01m

C$ 365

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 27/3

6:59 p.m.-9:32 p.m.

Nonstop4h 33m

Las Vegas Harry Reid Intl

Sun 30/3

10:30 p.m.-11:09 a.m.

1 stop10h 39m

C$ 367

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 27/7

8:10 p.m.-9:48 a.m.

1 stop15h 38m

Las Vegas Harry Reid Intl

Thu 31/7

10:45 a.m.-7:11 p.m.

1 stop6h 26m

C$ 405

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 8/4

4:26 p.m.-11:46 p.m.

1 stop9h 20m

C$ 78

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 8/4

4:15 p.m.-8:57 a.m.

2 stops18h 42m

C$ 112

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 25/3

7:45 p.m.-10:03 p.m.

Nonstop4h 18m

C$ 114

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 17/5

1:35 p.m.-8:00 p.m.

1 stop8h 25m

C$ 169

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

Showing 1-10 of 13 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.

Travel insights for flights from O'Hare Intl to Las Vegas

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

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 14 February 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 64 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$ 311). 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 20 February 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 44% 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 20 February 2025.

The most flights from ORD to LAS are scheduled on a Thursday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 mm 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 20 February 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
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,412 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,771 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Sun Country Air
7.0
Good
374 reviews
Southwest
8.1
Very good
4,412 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Food

7.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 24 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 United Airlines is currently your cheapest option to Las Vegas, with prices starting at C$ 269. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at C$ 332 and C$ 337, respectively. United Airlines is priced at 26% 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$ 78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from C$ 112 and C$ 114, 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: Southwest (87%), Austrian Airlines (85%), Air Canada (83%).

  • 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$ 311). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 172AverageC$ 267FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

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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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