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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 110

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
24 Feb — 3 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Las Vegas Harry Reid Intl are usually found in August or February, booked 30 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap flight deals from O'Hare Intl to Las Vegas

Enter your travel dates to find the best prices.

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 25 January 2026.

Tue 17/27:45 p.m.
ORD
-
LAS
Nonstop4h 17m
United Airlines
Wed 25/25:22 p.m.
LAS
-
ORD
Nonstop3h 37m
United Airlines
Deal found 25/1C$ 231
Sat 14/27:45 p.m.
ORD
-
LAS
Nonstop4h 17m
United Airlines
Tue 17/211:59 p.m.
LAS
-
ORD
Nonstop3h 32m
United Airlines
Deal found 23/1C$ 245
Sat 14/24:29 p.m.
ORD
-
LAS
1 stop9h 15m
Frontier
Tue 17/211:01 p.m.
LAS
-
ORD
1 stop9h 38m
Frontier
Deal found 25/1C$ 247
Fri 8/58:53 p.m.
ORD
-
LAS
Nonstop4h 01m
Spirit Airlines
Wed 27/511:59 p.m.
LAS
-
ORD
Nonstop3h 32m
Spirit Airlines
Deal found 23/1C$ 249
Wed 25/27:25 a.m.
ORD
-
LAS
Nonstop4h 15m
United Airlines
Mon 2/37:06 p.m.
LAS
-
ORD
Nonstop3h 39m
United Airlines
Deal found 23/1C$ 271
Tue 31/310:59 a.m.
ORD
-
LAS
Nonstop4h 10m
United Airlines
Tue 7/42:17 p.m.
LAS
-
ORD
Nonstop3h 48m
United Airlines
Deal found 24/1C$ 273
Fri 10/44:35 p.m.
ORD
-
LAS
1 stop9h 24m
Spirit Airlines
Wed 15/411:59 p.m.
LAS
-
ORD
Nonstop3h 32m
Spirit Airlines
Deal found 22/1C$ 274
Wed 25/38:55 p.m.
ORD
-
LAS
Nonstop4h 20m
Frontier
Mon 30/36:00 a.m.
LAS
-
ORD
Nonstop3h 40m
Frontier
Deal found 22/1C$ 284
Tue 24/24:25 p.m.
ORD
-
LAS
1 stop6h 20m
Southwest
Tue 3/34:55 p.m.
LAS
-
ORD
Nonstop3h 40m
Southwest
Deal found 25/1C$ 285
Wed 11/27:35 a.m.
ORD
-
LAS
Nonstop4h 14m
United Airlines
Fri 13/25:22 p.m.
LAS
-
ORD
Nonstop3h 37m
United Airlines
Deal found 23/1C$ 293

Find 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 25 January 2026.

Round-trip from

C$ 231

One-way from

C$ 110

Popular in

March

Cheapest in

August

Average price

C$ 359
United Airlines
  • United Airlines
  • 23/2-27/2
  • Nonstop
  • 7h 45m total
  • Chicago to Las Vegas
Search Deals
United Airlines
  • United Airlines
  • 28/2
  • Nonstop
  • 4h 17m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 25 January 2026.
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

Sat 14/2

7:45 p.m.-10:02 p.m.

Nonstop4h 17m

Las Vegas Harry Reid Intl

Wed 18/2

5:22 p.m.-10:59 p.m.

Nonstop3h 37m

C$ 245

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 28/2

7:45 p.m.-10:02 p.m.

Nonstop4h 17m

Las Vegas Harry Reid Intl

Mon 9/3

11:59 p.m.-5:31 a.m.

Nonstop3h 32m

C$ 271

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 10/2

7:15 a.m.-9:30 a.m.

Nonstop4h 15m

Las Vegas Harry Reid Intl

Sat 14/2

5:00 p.m.-10:35 p.m.

Nonstop3h 35m

C$ 293

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 22/2

2:15 p.m.-7:10 p.m.

1 stop6h 55m

Las Vegas Harry Reid Intl

Wed 25/2

4:55 p.m.-10:35 p.m.

Nonstop3h 40m

C$ 312

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 22/2

2:15 p.m.-7:10 p.m.

1 stop6h 55m

Las Vegas Harry Reid Intl

Tue 24/2

9:45 a.m.-3:25 p.m.

Nonstop3h 40m

C$ 312

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 18/2

1:45 p.m.-10:40 p.m.

1 stop10h 55m

Las Vegas Harry Reid Intl

Sat 21/2

9:05 a.m.-2:45 p.m.

Nonstop3h 40m

C$ 315

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 7/2

4:07 p.m.-6:17 p.m.

Nonstop4h 10m

Las Vegas Harry Reid Intl

Thu 12/2

10:52 a.m.-4:38 p.m.

Nonstop3h 46m

C$ 341

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 9/3

6:15 a.m.-8:25 a.m.

Nonstop4h 10m

Las Vegas Harry Reid Intl

Wed 18/3

9:15 a.m.-3:00 p.m.

Nonstop3h 45m

C$ 352

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 7/2

1:00 p.m.-3:15 p.m.

Nonstop4h 15m

Las Vegas Harry Reid Intl

Tue 10/2

6:00 a.m.-1:30 p.m.

1 stop5h 30m

C$ 355

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 1/3

7:25 a.m.-9:40 a.m.

Nonstop4h 15m

Las Vegas Harry Reid Intl

Sun 15/3

11:59 p.m.-5:31 a.m.

Nonstop3h 32m

C$ 375

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 23 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 23 January 2026.

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$ 88). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of C$ 173). 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 25 January 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 35% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets in the morning.

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 23 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Las Vegas Harry Reid Intl is conveniently located just 10.0 km from Las Vegas’s city centre.

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

    United Airlines and Southwest can get you from Chicago O'Hare Intl Airport to Las Vegas in just under 4h 15m. Your travel time will be generally consistent. There are 2430 km between Chicago O'Hare Intl Airport and Las Vegas. Most flights are nonstop.

  • 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: Austrian Airlines (81%), Qatar Airways (80%), Brussels Airlines (78%).

  • 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$ 88). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of C$ 173). 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
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