$49 Cheap Flights from Chicago (ORD) to Las Vegas (LAS)

View $49 flight on Mon, Sep 8, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $49 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Sep 8 - Wed, Sep 10
ORD
Chicago
LAS
Las Vegas
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Sep 8 from Chicago to Las Vegas, returning Wed, Sep 10, priced at $98 just found
Frontier Airlines
Mon, Sep 8 - Wed, Sep 10
ORD
Chicago
LAS
Las Vegas
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 8 from Chicago to Las Vegas, returning Wed, Sep 10, priced at $103 just found
Frontier Airlines
Sun, Aug 10 - Wed, Aug 13
ORD
Chicago
LAS
Las Vegas
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 10 from Chicago to Las Vegas, returning Wed, Aug 13, priced at $104 just found
Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
ORD
Chicago
LAS
Las Vegas
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 22 from Chicago to Las Vegas, returning Mon, Aug 25, priced at $108 just found
Spirit Airlines
Wed, Aug 27 - Sun, Aug 31
ORD
Chicago
LAS
Las Vegas
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 27 from Chicago to Las Vegas, returning Sun, Aug 31, priced at $112 just found
Frontier Airlines
Sun, Nov 2 - Wed, Nov 5
ORD
Chicago
LAS
Las Vegas
$114 Roundtrip, found 1 hour ago
$114
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Nov 2 from Chicago to Las Vegas, returning Wed, Nov 5, priced at $114 found 1 hour ago
Spirit Airlines
Tue, Aug 5 - Fri, Aug 8
ORD
Chicago
LAS
Las Vegas
$115 Roundtrip, found 1 hour ago
$115
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Aug 5 from Chicago to Las Vegas, returning Fri, Aug 8, priced at $115 found 1 hour ago
Southwest Airlines
Mon, Sep 8 - Wed, Sep 10
ORD
Chicago
LAS
Las Vegas
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Sep 8 from Chicago to Las Vegas, returning Wed, Sep 10, priced at $159 just found
Alaska Airlines
Sun, Nov 2 - Wed, Nov 5
ORD
Chicago
LAS
Las Vegas
$178 Roundtrip, found 1 hour ago
$178
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sun, Nov 2 from Chicago to Las Vegas, returning Wed, Nov 5, priced at $178 found 1 hour ago
Delta
Sat, Sep 6 - Sun, Sep 7
ORD
Chicago
LAS
Las Vegas
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 6 from Chicago to Las Vegas, returning Sun, Sep 7, priced at $231 found 1 hour ago

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

September is typically the cheapest month to fly

From $62 - $116 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 $159
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $159
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
$98
Distance
1510 mi
Average flight time
1 hour 55 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 $49 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?
You can land cheap return flights from O'Hare Intl. Airport (ORD) to Harry Reid Intl. Airport (LAS) starting from $98. Snag a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving ORD on July 26 2025 and touching down at LAS. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from ORD to LAS?
To land a cheap fare, look for nonstop flights from ORD to LAS jetting off in November. You can find a one-way Spirit Airlines flight for $49 leaving on November 18 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
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 ORD to LAS?
Currently, the cheapest carrier offering one-way flights from ORD to LAS is Spirit Airlines. You can jet off on this route from $49. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on September 26 2025. Prices were last updated on July 1 2025 and have not changed since.
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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