Find flights
Deals
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Las Vegas from C$ 142

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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LAS
24 May — 31 May1
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 59 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 April 2026.

Mon 27/77:15 a.m.
ORD
-
LAS
Nonstop4h 03m
Frontier
Fri 31/711:40 p.m.
LAS
-
ORD
Nonstop3h 48m
Frontier
Deal found 24/4C$ 285
Tue 19/57:15 a.m.
ORD
-
LAS
Nonstop4h 16m
United Airlines
Tue 26/57:10 p.m.
LAS
-
ORD
Nonstop3h 49m
United Airlines
Deal found 20/4C$ 308
Wed 20/54:50 p.m.
ORD
-
LAS
Nonstop4h 00m
Southwest
Wed 27/55:10 p.m.
LAS
-
ORD
Nonstop3h 45m
Southwest
Deal found 20/4C$ 311
Tue 19/54:50 p.m.
ORD
-
LAS
Nonstop4h 00m
Southwest
Tue 26/55:10 p.m.
LAS
-
ORD
Nonstop3h 45m
Southwest
Deal found 20/4C$ 319
Wed 20/510:12 a.m.
ORD
-
LAS
Nonstop4h 16m
United Airlines
Wed 27/54:25 p.m.
LAS
-
ORD
1 stop6h 19m
United Airlines
Deal found 20/4C$ 322
Tue 15/96:01 a.m.
ORD
-
LAS
1 stop8h 03m
Alaska Airlines
Tue 15/92:51 p.m.
LAS
-
ORD
1 stop7h 06m
Alaska Airlines
Deal found 22/4C$ 327
Wed 20/59:39 p.m.
ORD
-
LAS
Nonstop4h 12m
United Airlines
Sun 24/511:30 p.m.
LAS
-
ORD
Nonstop3h 41m
United Airlines
Deal found 21/4C$ 330
Wed 16/92:55 p.m.
ORD
-
LAS
1 stop9h 49m
Delta
Tue 22/96:25 a.m.
LAS
-
ORD
1 stop6h 33m
Delta
Deal found 20/4C$ 335
Tue 12/54:15 p.m.
ORD
-
LAS
Nonstop4h 13m
United Airlines
Tue 19/54:35 p.m.
LAS
-
ORD
1 stop5h 22m
United Airlines
Deal found 21/4C$ 337

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 April 2026.

Round-trip from

C$ 285

One-way from

C$ 144

Popular in

March

Cheapest in

August

Average price

C$ 460

Good round-trip deal

C$ 377 or less
Frontier
  • Frontier
  • 27/7-31/7
  • Nonstop
  • 7h 51m total
  • Chicago to Las Vegas
Search Deals
Frontier
  • Frontier
  • 1/6
  • 1 total stop
  • 8h 18m total
  • Chicago to Las Vegas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Las Vegas Harry Reid Intl.
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 24 April 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

Thu 4/6

7:45 p.m.-9:54 p.m.

Nonstop4h 09m

Las Vegas Harry Reid Intl

Mon 8/6

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

Nonstop3h 44m

C$ 402
Quickest round-trip

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Thu 3/9

8:10 p.m.-10:17 p.m.

Nonstop4h 07m

Las Vegas Harry Reid Intl

Sun 6/9

11:40 p.m.-5:10 a.m.

Nonstop3h 30m

C$ 432

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sat 6/6

10:57 a.m.-1:01 p.m.

Nonstop4h 04m

Las Vegas Harry Reid Intl

Thu 11/6

7:03 p.m.-12:50 a.m.

Nonstop3h 47m

C$ 432

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 9/9

6:01 a.m.-12:04 p.m.

1 stop8h 03m

Las Vegas Harry Reid Intl

Tue 22/9

8:45 a.m.-7:03 p.m.

1 stop8h 18m

C$ 434

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 13/9

6:00 a.m.-1:41 p.m.

1 stop9h 41m

Las Vegas Harry Reid Intl

Sun 20/9

8:45 a.m.-7:03 p.m.

1 stop8h 18m

C$ 502

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 31/5

5:00 a.m.-9:07 a.m.

1 stop6h 07m

Las Vegas Harry Reid Intl

Fri 5/6

7:03 p.m.-12:50 a.m.

Nonstop3h 47m

C$ 502

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Sun 2/8

9:54 p.m.-11:59 p.m.

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 4/8

4:25 p.m.-12:44 a.m.

1 stop6h 19m

C$ 502

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 19/5

4:15 p.m.-6:28 p.m.

Nonstop4h 13m

Las Vegas Harry Reid Intl

Sat 23/5

7:00 a.m.-12:48 p.m.

Nonstop3h 48m

C$ 505

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Wed 27/5

11:55 a.m.-6:05 p.m.

2 stops8h 10m

Las Vegas Harry Reid Intl

Tue 2/6

7:40 a.m.-6:50 p.m.

2 stops9h 10m

C$ 536

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 11/5

8:00 a.m.-3:45 p.m.

2 stops9h 45m

Las Vegas Harry Reid Intl

Wed 13/5

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

2 stops9h 30m

C$ 567

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 58 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of C$ 308). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of C$ 491). 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 April 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 76% on flights from Chicago O'Hare Intl Airport to Las Vegas by exploring options for tickets in the morning.

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

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 44 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 Alaska Airlines can get you from Chicago O'Hare Intl Airport to Las Vegas in just under 6h 34m. Your travel time can differ by up to 1h 29m. 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 (93%), Brussels Airlines (83%), Air Canada (83%).

  • 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$ 478, our data indicates the cheapest price to be C$ 137. The most popular route (Chicago O'Hare Intl - Las Vegas Harry Reid Intl), is priced around C$ 307.

  • 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Las Vegas (average of C$ 308). Flying from Chicago O'Hare Intl Airport to Las Vegas in March is currently the most expensive (average of C$ 491). 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
Kingman
Henderson
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to Las Vegas?

Cheapflights makes it easy to find O'Hare Intl to Las Vegas flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Las Vegas?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from O'Hare Intl to Las Vegas.

Can Cheapflights find flights from O'Hare Intl to Las Vegas with no change fees?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.