$54 Cheap Flights from Chicago (ORD) to Las Vegas (LAS)

View $54 flight on Tue, Apr 14, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 14 - Wed, Apr 15
ORD
Chicago
LAS
Las Vegas
$108 Roundtrip, found 3 hours ago
$108
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Chicago to Las Vegas, returning Wed, Apr 15, priced at $108 found 3 hours ago
Frontier Airlines
Tue, Apr 28 - Wed, Apr 29
ORD
Chicago
LAS
Las Vegas
$113 Roundtrip, found 5 hours ago
$113
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Apr 28 from Chicago to Las Vegas, returning Wed, Apr 29, priced at $113 found 5 hours ago
Frontier Airlines
Mon, Apr 13 - Wed, Apr 15
ORD
Chicago
LAS
Las Vegas
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 13 from Chicago to Las Vegas, returning Wed, Apr 15, priced at $114 just found
Frontier Airlines
Tue, Apr 21 - Wed, Apr 29
ORD
Chicago
LAS
Las Vegas
$118 Roundtrip, found 13 hours ago
$118
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Chicago to Las Vegas, returning Wed, Apr 29, priced at $118 found 13 hours ago
Spirit Airlines
Sat, Apr 18 - Wed, Apr 22
ORD
Chicago
LAS
Las Vegas
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Apr 18 from Chicago to Las Vegas, returning Wed, Apr 22, priced at $119 just found
Spirit Airlines
Mon, Apr 13 - Wed, Apr 15
ORD
Chicago
LAS
Las Vegas
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Apr 13 from Chicago to Las Vegas, returning Wed, Apr 15, priced at $120 just found
Spirit Airlines
Sat, May 9 - Thu, May 14
ORD
Chicago
LAS
Las Vegas
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 9 from Chicago to Las Vegas, returning Thu, May 14, priced at $120 just found
Alaska Airlines
Tue, Apr 7 - Wed, Apr 8
ORD
Chicago
LAS
Las Vegas
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Apr 7 from Chicago to Las Vegas, returning Wed, Apr 8, priced at $209 found 1 hour ago
United
Tue, May 12 - Tue, May 19
ORD
Chicago
LAS
Las Vegas
$237 Roundtrip, just found
$237
Roundtrip
just found
Select United flight, departing Tue, May 12 from Chicago to Las Vegas, returning Tue, May 19, priced at $237 just found
Southwest Airlines
Tue, May 5 - Sat, May 9
ORD
Chicago
LAS
Las Vegas
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, May 5 from Chicago to Las Vegas, returning Sat, May 9, priced at $237 just found

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

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 $219
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $219

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $54 and cheap return flights from $108 Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights generally range between $121 and $1094, and roundtrip flights usually range from $272 to $2419. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
August is typically the cheapest month to fly from Chicago (ORD) to Las Vegas (LAS), with average round-trip fares around $243. This is about 15% lower than the average price throughout the year, as travel demand decreases after the summer peak. Other economical months to fly include February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
4 airlines operate nonstop service from ORD to LAS:

  • United operates around 70 direct flights from ORD to LAS every week
  • American Airlines operates around 48 direct flights from ORD to LAS every week
  • Spirit Airlines operates around 7 direct flights from ORD to LAS every week
  • Frontier Airlines operates around 9 direct flights from ORD to LAS every week

How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Chicago, IL (ORD) to Las Vegas, NV (LAS) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from ORD to LAS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly from Chicago (ORD) to Las Vegas (LAS) is typically in August or September. During these months, you can find return flights at around $243, making it a budget-friendly option. August is particularly appealing as it falls just before the fall travel rush, while September offers pleasant weather and fewer crowds, allowing you to enjoy your trip to the fullest.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can find approximately 20 nonstop flights per day from O'Hare Intl. (ORD) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Chicago O'Hare International Airport (ORD) to Las Vegas (LAS) usually departs at midnight, operated by American Airlines. An early departure like this can help you maximize your time in Las Vegas. This service operates seasonally in December. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Chicago (ORD) to Las Vegas (LAS) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including Delta Airlines, American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Las Vegas with a full day ahead of you.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A nonstop flight from ORD to LAS typically takes around 4 hours 20 minutes, covering approximately 1,511 miles. Connecting flights on this route usually add 5 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
First class is available on flights from ORD to LAS. First class cabins are available on:

  • Spirit Airlines
  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A direct, return business class ticket from Chicago (ORD) to Las Vegas (LAS) typically costs between $1,538 - $2,230. A non-stop, one-way business class flight is usually around $703 - $1,240. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from O'Hare Intl. (ORD)?
If you're planning to travel to Las Vegas from O'Hare Intl. (ORD), you can fly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), Denver Intl. (DEN) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$108
Distance
1510 mi
Average flight time
2 hours 10 mins

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $54 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.

 

Chicago to Las Vegas Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.