$64 Cheap Flights from Las Vegas (LAS) to Chicago (ORD)

View $64 flight on Wed, Oct 28, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $64 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Sep 16 - Tue, Sep 22
LAS
Las Vegas
ORD
Chicago
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 16 from Las Vegas to Chicago, returning Tue, Sep 22, priced at $128 just found
Frontier Airlines
Wed, Oct 7 - Sat, Oct 10
LAS
Las Vegas
ORD
Chicago
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Oct 7 from Las Vegas to Chicago, returning Sat, Oct 10, priced at $134 found 2 days ago
Frontier Airlines
Wed, Oct 7 - Tue, Oct 20
LAS
Las Vegas
ORD
Chicago
$138 Roundtrip, found 21 hours ago
$138
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Oct 7 from Las Vegas to Chicago, returning Tue, Oct 20, priced at $138 found 21 hours ago
Frontier Airlines
Sat, Oct 3 - Sat, Oct 10
LAS
Las Vegas
ORD
Chicago
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Oct 3 from Las Vegas to Chicago, returning Sat, Oct 10, priced at $140 found 3 days ago
Frontier Airlines
Tue, Aug 11 - Mon, Aug 17
LAS
Las Vegas
ORD
Chicago
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 11 from Las Vegas to Chicago, returning Mon, Aug 17, priced at $154 just found
Frontier Airlines
Sat, Aug 8 - Sat, Aug 15
LAS
Las Vegas
ORD
Chicago
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 8 from Las Vegas to Chicago, returning Sat, Aug 15, priced at $160 just found
United
Wed, Jul 1 - Sat, Jul 4
LAS
Las Vegas
ORD
Chicago
$193 Roundtrip, found 2 hours ago
$193
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 1 from Las Vegas to Chicago, returning Sat, Jul 4, priced at $193 found 2 hours ago
Alaska Airlines
Sat, Oct 10 - Wed, Oct 21
LAS
Las Vegas
ORD
Chicago
$194 Roundtrip, found 18 hours ago
$194
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Las Vegas to Chicago, returning Wed, Oct 21, priced at $194 found 18 hours ago
American Airlines
Sat, Oct 24 - Tue, Oct 27
LAS
Las Vegas
ORD
Chicago
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 24 from Las Vegas to Chicago, returning Tue, Oct 27, priced at $199 found 3 days ago
Delta
Wed, Jul 1 - Sat, Jul 4
LAS
Las Vegas
ORD
Chicago
$203 Roundtrip, found 2 hours ago
$203
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Jul 1 from Las Vegas to Chicago, returning Sat, Jul 4, priced at $203 found 2 hours ago

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $380
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $380

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

April is typically the cheapest month to fly

From $115 - $270 per traveler.

Frequently asked questions

How much does a flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $64 and cheap return flights from $128 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights typically cost between $125 and $1144, and return flights often range between $252 and $2048. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
August is the cheapest month to fly from Las Vegas (LAS) to Chicago (ORD), with average return fares around $244. This is about 14% lower than the average price for the year, as summer travel peaks in June and July, leading to lower fares in August. Other affordable months to consider are September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are 4 airlines offering direct flights from LAS to ORD:

  • United operates around 67 direct flights from LAS to ORD every week
  • American Airlines operates around 45 direct flights from LAS to ORD every week
  • Spirit Airlines operates around 7 direct flights from LAS to ORD every week
  • Frontier Airlines operates around 9 direct flights from LAS to ORD every week

How do I find cheap flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Las Vegas, NV (LAS) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, Spirit Airlines offers early morning flights. If price is the most important factor, Sun Country Airlines typically offers the lowest fares. United offers the most daily flights from LAS to ORD, 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly from Las Vegas, NV (LAS) to Chicago, IL (ORD) is in August or September. With an average return flight price of around $244, these months provide a great balance of affordability and availability, making your travel experience smoother.*Prices based on flights available on Expedia in the last year.
How many flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
On average, there are around 20 nonstop flights per day from Harry Reid International Airport (LAS) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Harry Reid International Airport (LAS) to O'Hare International Airport (ORD) typically departs at around 12:00 AM, operated by Spirit Airlines. This is a seasonal service active in March, and an overnight departure can help you arrive in Chicago early to start your day. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Las Vegas, NV (LAS) to Chicago, IL (ORD) are in the early morning, from 6am to 9am. About 26% of passengers prefer this time window. Many major carriers, including American Airlines, Delta, and Delta, offer flights during this window. This timing works well because it allows you to maximize your time in Chicago upon arrival.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A nonstop flight from LAS to ORD typically takes around 3 hours 50 minutes, covering approximately 1,511 miles. Connecting flights on this route usually add 3 hours 30 minutes 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Business class seats are offered on the LAS to ORD route with American Airlines.First class cabins are available on:

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

How much is a business class flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A direct, return business class ticket from Las Vegas, NV (LAS) to Chicago, IL (ORD) typically costs between $1,577 - $2,120. A non-stop, one-way business class flight is usually around $738 - $1,028. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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 Chicago from McCarran Intl. (LAS)?
From Harry Reid International Airport (LAS), you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD) in Chicago. Some flights may connect through major hubs like San Diego Intl. (SAN), Sky Harbor Intl. (PHX), Love Field (DAL) before reaching Chicago. 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.) Chicago 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 Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Chicago, IL (ORD-O'Hare 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
Harry Reid Intl.
Destination airport
O'Hare Intl.
Roundtrip price
$128
Distance
1510 mi
Average flight time
5 hours 42 mins

Book with confidence

Las Vegas to Chicago Flights

The cheapest times to fly from Las Vegas to Chicago

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 Las Vegas to Chicago are during the month of September. You can find some of the cheapest flights from Las Vegas to Chicago with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Chicago: 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 Las Vegas to Chicago

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 Las Vegas to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $64 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 Las Vegas to Chicago 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 Las Vegas to Chicago 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.

 

Las Vegas to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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