$44 Cheap Flights from Chicago (ORD) to Las Vegas (LAS)

View $44 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)

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Today's featured flight deals from Chicago O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Chicago to Las Vegas (ORD-LAS)

Prices were available within the past 7 days and start at $44 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
LAS
Las Vegas
$87 Roundtrip, just found
$87
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Sep 9 from Chicago to Las Vegas, returning Tue, Sep 16, priced at $87 just found
Spirit Airlines
Tue, Sep 2 - Wed, Sep 3
ORD
Chicago
LAS
Las Vegas
$88 Roundtrip, found 1 hour ago
$88
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Sep 2 from Chicago to Las Vegas, returning Wed, Sep 3, priced at $88 found 1 hour ago
Spirit Airlines
Tue, Sep 9 - Tue, Sep 16
ORD
Chicago
LAS
Las Vegas
$95 Roundtrip, just found
$95
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Sep 9 from Chicago to Las Vegas, returning Tue, Sep 16, priced at $95 just found
Spirit Airlines
Wed, Sep 3 - Tue, Sep 9
ORD
Chicago
LAS
Las Vegas
$97 Roundtrip, found 1 hour ago
$97
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Chicago to Las Vegas, returning Tue, Sep 9, priced at $97 found 1 hour ago
Frontier Airlines
Mon, Aug 25 - Thu, Aug 28
ORD
Chicago
LAS
Las Vegas
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Aug 25 from Chicago to Las Vegas, returning Thu, Aug 28, priced at $100 just found
Spirit Airlines
Mon, Aug 25 - Wed, Sep 10
ORD
Chicago
LAS
Las Vegas
$102 Roundtrip, found 22 hours ago
$102
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Chicago to Las Vegas, returning Wed, Sep 10, priced at $102 found 22 hours ago
Spirit Airlines
Mon, Aug 25 - Wed, Sep 3
ORD
Chicago
LAS
Las Vegas
$102 Roundtrip, found 2 hours ago
$102
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Chicago to Las Vegas, returning Wed, Sep 3, priced at $102 found 2 hours ago
Southwest Airlines
Mon, Sep 29 - Fri, Oct 3
ORD
Chicago
LAS
Las Vegas
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Sep 29 from Chicago to Las Vegas, returning Fri, Oct 3, priced at $159 just found
Alaska Airlines
Tue, Oct 21 - Fri, Oct 31
ORD
Chicago
LAS
Las Vegas
$178 Roundtrip, found 2 hours ago
$178
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Oct 21 from Chicago to Las Vegas, returning Fri, Oct 31, priced at $178 found 2 hours ago
Delta
Mon, Sep 29 - Tue, Sep 30
ORD
Chicago
LAS
Las Vegas
$231 Roundtrip, just found
$231
Roundtrip
just found
Select Delta flight, departing Mon, Sep 29 from Chicago to Las Vegas, returning Tue, Sep 30, priced at $231 just found

Find the cheapest month to fly from Chicago (ORD) to Las Vegas (LAS)

September is typically the cheapest month to fly

From $62 - $122 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $153
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $153
Flights from Chicago (ORD) to Las Vegas (LAS)
Origin airport
O'Hare Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$87
Distance
1510 mi
Average flight time
1 hour 53 mins

Chicago to Las Vegas Flights

The cheapest times to fly from Chicago to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Las Vegas are during the month of September. You can find some of the cheapest flights from Chicago to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Las Vegas

Sunday is one of the best days to book for cheap flights from Chicago to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) cost?
Secure a cheap one-way flight from $44 or cheap return flight from $87 from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
Flying in September may help you find better deals, as it's the cheapest month for flights between ORD and LAS. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
When departing from O'Hare Intl. Airport (ORD), 5 carriers can take you directly to Harry Reid Intl. Airport (LAS) without stopovers, including:

  • United Airlines
  • American Airlines
  • Spirit Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
Frontier Airlines and Southwest Airlines are some popular carriers offering competitive fares. Keep in mind that flight prices from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) can vary depending on demand, travel dates and how early you book. With Expedia's search tool, you can easily find a ORD to LAS flight that suits your plans and budget.
How many flights per day from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
When flying out of O'Hare Intl. Airport (ORD), you'll have a choice from an average of 12 daily nonstop flights to Harry Reid Intl. Airport (LAS).
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
The 8 AM departures from ORD to LAS see the highest demand. They can also be more expensive. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from ORD to LAS?
If you travel on a Friday, you'll get the largest range of options for flights from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
The earliest flight departing from O'Hare Intl. Airport (ORD) is at around 5:45AM UTC-6. Hop on this flight and you'll arrive at Harry Reid Intl. Airport (LAS) at approximately 7:55AM UTC-8. The total flight duration is 4h 10m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
It takes about 4 hours and 8 minutes to travel the 1,500 mi from ORD to LAS.
What airline has the least delays from ORD to LAS?
United Airlines has the best track record for on-time direct flights from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS), with an on-time rating of 82%. Use the Expedia App to see your journey status before you leave and receive notifications about any changes.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from O'Hare Intl. Airport (ORD)?
Compare your flight options from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS). This is the only airport in Las Vegas you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute fares from ORD to LAS are typically more expensive. To lock in the best prices, start looking for flights early. That said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book an ORD to LAS flight and hotel package?
You'll typically save money by booking an ORD to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS)?
It's usually possible to reschedule or cancel your ORD to LAS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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