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Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 105

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
9 Apr — 16 Apr1
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 January, booked 28 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 10 March 2026.

Thu 7/52:00 p.m.
ORD
-
LAS
1 stop6h 40m
Spirit Airlines
Wed 27/511:51 p.m.
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 6/3C$ 213
Thu 16/410:07 p.m.
ORD
-
LAS
Nonstop3h 52m
Spirit Airlines
Sat 18/411:51 p.m.
LAS
-
ORD
Nonstop3h 34m
Spirit Airlines
Deal found 5/3C$ 239
Sat 11/44:15 p.m.
ORD
-
LAS
Nonstop4h 14m
United Airlines
Sat 18/411:59 p.m.
LAS
-
ORD
Nonstop3h 39m
United Airlines
Deal found 8/3C$ 243
Tue 28/46:00 a.m.
ORD
-
LAS
1 stop8h 14m
Alaska Airlines
Thu 30/412:33 p.m.
LAS
-
ORD
1 stop9h 10m
Alaska Airlines
Deal found 9/3C$ 267
Tue 19/54:15 p.m.
ORD
-
LAS
Nonstop4h 13m
United Airlines
Sat 23/53:52 p.m.
LAS
-
ORD
Nonstop3h 56m
United Airlines
Deal found 8/3C$ 269
Mon 10/86:50 a.m.
ORD
-
LAS
1 stop6h 30m
Spirit Airlines
Tue 18/87:30 a.m.
LAS
-
ORD
Nonstop3h 29m
Spirit Airlines
Deal found 8/3C$ 272
Sat 11/43:05 p.m.
ORD
-
LAS
2 stops10h 10m
Southwest
Sat 18/46:00 a.m.
LAS
-
ORD
1 stop6h 20m
Southwest
Deal found 8/3C$ 277
Wed 13/52:10 p.m.
ORD
-
LAS
1 stop9h 07m
Alaska Airlines
Fri 22/58:37 p.m.
LAS
-
ORD
1 stop20h 13m
Alaska Airlines
Deal found 8/3C$ 289
Mon 27/43:52 p.m.
ORD
-
LAS
1 stop9h 21m
Alaska Airlines
Wed 29/41:37 p.m.
LAS
-
ORD
1 stop8h 22m
Alaska Airlines
Deal found 9/3C$ 292
Wed 15/44:50 p.m.
ORD
-
LAS
Nonstop4h 00m
Southwest
Tue 21/45:10 p.m.
LAS
-
ORD
Nonstop3h 45m
Southwest
Deal found 9/3C$ 295
Sat 11/46:15 a.m.
ORD
-
LAS
Nonstop4h 00m
Southwest
Thu 16/48:10 a.m.
LAS
-
ORD
Nonstop3h 45m
Southwest
Deal found 8/3C$ 296

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 10 March 2026.

Round-trip from

C$ 213

One-way from

C$ 105

Popular in

March

Cheapest in

August

Average price

C$ 444
Spirit Airlines
  • Spirit Airlines
  • 7/5-27/5
  • 1 total stop
  • 10h 14m total
  • Chicago to Las Vegas
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 20/4
  • 1 total stop
  • 15h 25m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 10 March 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 15/4

2:40 p.m.-8:00 p.m.

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 21/4

5:10 p.m.-10:55 p.m.

Nonstop3h 45m

C$ 335

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 31/8

5:55 p.m.-11:59 p.m.

1 stop8h 04m

Las Vegas Harry Reid Intl

Thu 3/9

2:13 p.m.-11:41 p.m.

1 stop7h 28m

C$ 349

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 13/8

6:22 a.m.-1:58 p.m.

1 stop9h 36m

Las Vegas Harry Reid Intl

Sun 16/8

7:00 a.m.-5:02 a.m.

1 stop20h 02m

C$ 390

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 15/7

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

1 stop9h 23m

Las Vegas Harry Reid Intl

Sat 18/7

7:59 a.m.-7:00 p.m.

1 stop9h 01m

C$ 406

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 17/7

7:11 a.m.-9:19 a.m.

Nonstop4h 08m

Las Vegas Harry Reid Intl

Sat 18/7

12:36 a.m.-6:20 a.m.

Nonstop3h 44m

C$ 458

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 10/5

6:15 p.m.-12:05 a.m.

2 stops7h 50m

Las Vegas Harry Reid Intl

Wed 13/5

12:25 p.m.-11:55 p.m.

2 stops9h 30m

C$ 471
Quickest round-trip

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 24/7

5:10 p.m.-7:15 p.m.

Nonstop4h 05m

Las Vegas Harry Reid Intl

Sun 26/7

7:50 a.m.-1:35 p.m.

Nonstop3h 45m

C$ 471

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 20/6

4:50 p.m.-11:10 p.m.

2 stops8h 20m

Las Vegas Harry Reid Intl

Mon 22/6

5:10 p.m.-10:55 p.m.

Nonstop3h 45m

C$ 478

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 5/6

2:11 p.m.-6:07 p.m.

1 stop5h 56m

Las Vegas Harry Reid Intl

Fri 5/6

11:21 p.m.-8:27 a.m.

1 stop7h 06m

C$ 487

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Fri 8/5

4:15 p.m.-11:05 p.m.

2 stops8h 50m

Las Vegas Harry Reid Intl

Sun 10/5

5:40 a.m.-3:00 p.m.

2 stops7h 20m

C$ 512

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 24 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?

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 6 March 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 28 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$ 79). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of C$ 181). 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 10 March 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 72% 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 32 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?

    Southwest, Alaska Airlines, and United Airlines can get you from Chicago O'Hare Intl Airport to Las Vegas in just under 4h 08m. Your travel time can differ by up to 3h 56m. 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: Austrian Airlines (93%), United Airlines (87%), Turkish Airlines (84%).

  • 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$ 79). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of C$ 181). 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

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