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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 172

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

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 24 July 2026.

Sat 5/99:20 p.m.
ORD
-
LAS
1 stop12h 56m
Frontier
Sat 12/911:55 p.m.
LAS
-
ORD
Nonstop3h 47m
Frontier
Deal found 20/7C$ 294
Mon 31/88:11 p.m.
ORD
-
LAS
Nonstop4h 12m
Frontier
Tue 1/912:57 a.m.
LAS
-
ORD
2 stops13h 02m
Frontier
Deal found 21/7C$ 307
Sun 30/88:11 p.m.
ORD
-
LAS
Nonstop4h 12m
Frontier
Tue 1/912:57 a.m.
LAS
-
ORD
1 stop10h 39m
Frontier
Deal found 21/7C$ 310
Sun 20/910:40 p.m.
ORD
-
LAS
1 stop12h 50m
Frontier
Wed 23/910:35 a.m.
LAS
-
ORD
1 stop9h 00m
Frontier
Deal found 22/7C$ 329
Wed 19/86:01 a.m.
ORD
-
LAS
1 stop8h 03m
Alaska Airlines
Wed 26/85:28 p.m.
LAS
-
ORD
1 stop17h 54m
Alaska Airlines
Deal found 22/7C$ 359
Tue 1/96:01 a.m.
ORD
-
LAS
1 stop8h 03m
Alaska Airlines
Sat 5/910:23 a.m.
LAS
-
ORD
1 stop6h 58m
Alaska Airlines
Deal found 24/7C$ 366
Sun 13/97:20 a.m.
ORD
-
LAS
1 stop6h 44m
Alaska Airlines
Wed 16/910:23 a.m.
LAS
-
ORD
1 stop6h 58m
Alaska Airlines
Deal found 22/7C$ 370
Wed 23/97:20 a.m.
ORD
-
LAS
1 stop6h 44m
Alaska Airlines
Wed 30/910:23 a.m.
LAS
-
ORD
1 stop6h 58m
Alaska Airlines
Deal found 24/7C$ 373
Sun 30/86:01 a.m.
ORD
-
LAS
1 stop8h 03m
Alaska Airlines
Wed 2/910:23 a.m.
LAS
-
ORD
1 stop6h 58m
Alaska Airlines
Deal found 22/7C$ 377
Sun 30/86:01 a.m.
ORD
-
LAS
1 stop8h 03m
Alaska Airlines
Fri 18/92:51 p.m.
LAS
-
ORD
1 stop7h 08m
Alaska Airlines
Deal found 22/7C$ 381

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 24 July 2026.

Round-trip from

C$ 294

One-way from

C$ 172

Popular in

June

Cheapest in

January

Average price

C$ 503
Frontier
  • Frontier
  • 5/9-12/9
  • 1 total stop
  • 16h 43m total
  • Chicago to Las Vegas
Search Deals
Frontier
  • Frontier
  • 4/9
  • Nonstop
  • 4h 12m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 24 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 18/11

2:30 p.m.-4:41 p.m.

Nonstop4h 11m

Las Vegas Harry Reid Intl

Sat 21/11

4:10 p.m.-9:58 p.m.

Nonstop3h 48m

C$ 396

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 19/8

7:20 a.m.-9:27 a.m.

Nonstop4h 07m

Las Vegas Harry Reid Intl

Sat 22/8

9:00 a.m.-2:52 p.m.

Nonstop3h 52m

C$ 396

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 14/11

7:56 p.m.-9:34 a.m.

1 stop15h 38m

Las Vegas Harry Reid Intl

Mon 16/11

7:05 p.m.-1:23 p.m.

1 stop16h 18m

C$ 401

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 7/8

7:59 p.m.-10:31 a.m.

1 stop16h 32m

Las Vegas Harry Reid Intl

Tue 11/8

11:11 a.m.-11:36 p.m.

1 stop10h 25m

C$ 417

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 14/8

2:20 p.m.-9:43 p.m.

1 stop9h 23m

Las Vegas Harry Reid Intl

Tue 18/8

6:19 p.m.-1:22 p.m.

1 stop17h 03m

C$ 417
Quickest round-trip

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 24/12

9:35 p.m.-11:50 p.m.

Nonstop4h 15m

Las Vegas Harry Reid Intl

Sun 27/12

11:48 p.m.-5:25 a.m.

Nonstop3h 37m

C$ 425

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 28/9

5:10 p.m.-9:45 p.m.

1 stop6h 35m

Las Vegas Harry Reid Intl

Mon 5/10

11:24 p.m.-8:03 a.m.

1 stop6h 39m

C$ 429

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 22/10

7:45 p.m.-8:02 a.m.

1 stop14h 17m

Las Vegas Harry Reid Intl

Sat 24/10

6:01 p.m.-5:14 p.m.

1 stop21h 13m

C$ 443

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 4/9

1:59 p.m.-8:21 p.m.

1 stop8h 22m

Las Vegas Harry Reid Intl

Tue 8/9

10:01 p.m.-9:25 a.m.

1 stop9h 24m

C$ 445

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 21/8

5:20 p.m.-9:59 p.m.

1 stop6h 39m

Las Vegas Harry Reid Intl

Wed 26/8

11:31 a.m.-8:30 p.m.

1 stop6h 59m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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 88 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$ 355). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of C$ 514). 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 24 July 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 56% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Las Vegas?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Las Vegas flights typically cost between C$ 318 and C$ 555 in September.
The cheapest round-trip price found within the last 5 days was C$ 294 on Frontier (5 Sep-12 Sep).

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 36 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?

    Alaska Airlines and Delta can get you from Chicago O'Hare Intl Airport to Las Vegas in just under 9h 23m. Your travel time can differ by up to 17m. There are 2430 km between Chicago O'Hare Intl Airport and Las Vegas. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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: Avianca (83%), Air Canada (80%), Brussels Airlines (70%).

  • 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$ 355). Flying from Chicago O'Hare Intl Airport to Las Vegas in June is currently the most expensive (average of C$ 514). 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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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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