$69 Cheap Flights from Las Vegas (LAS) to Chicago (MDW)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
Delta
Flights from Las Vegas (LAS) to Chicago (MDW)
Origin airport
Harry Reid Intl.
Destination airport
Midway Intl.
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$138
Distance
1517 mi

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 May. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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.

Frequently asked questions

How long does it take to fly from Harry Reid Airport (formerly McCarran Airport) to MDW?
Frontier Airlines operates a direct flight heading off from LAS at 6:00AM and coming in to land at Chicago Airport at 11:36AM — a total flying time of 3 hours and 36 minutes. Select the seat that’s perfect for you, pack some things to keep you entertained and the time will pass by quickly.
Is it cheaper to buy a plane ticket from McCarran Airport to Chicago Airport last minute?
Booking your journey from Harry Reid Airport (formerly McCarran Airport) to MDW last minute could save you money if you happen to find an amazing deal. However, tickets usually don’t get cheaper as the date of departure nears. If you hold off, flights could also be booked solid or the best seats long gone. If you’d rather err on the side of caution, book well in advance of when you want to leave. In fact, Expedia has some of the biggest deals up to a year in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Chicago from Las Vegas?
With Midway Intl. Airport (MDW), O’Hare Intl. Airport (ORD) and Lewis University Airport (LOT) to choose from, getting from Las Vegas to Chicago is simple. The city’s major gateway, Midway Intl. Airport (MDW), is roughly 9 mi southwest of the downtown area. Apart from ticket costs, consider things like public transportation options from the airport and the distance to your hotel before making your choice. Get your Chicago trip off to a terrific start by discovering Wrigley Field and Millennium Park.
What are the most popular departure times for flights from McCarran Intl. Airport (LAS) to Chicago Airport?
For Frontier Airlines flights from LAS to Chicago Airport, the peak period is between 6:00 AM - 7:00 AM. If you want to avoid any holdups, travel in the morning. This gives you a better chance to dodge air traffic that builds up in the afternoon and evening.
Can I change the date of my flight from McCarran Intl. Airport (LAS) to Chicago Airport?
We know life happens and plans change, so Expedia is here to help make things as easy as possible. To start, find your LAS to Midway Airport itinerary through the Expedia Trips portal and check the fare rules about what sorts of changes are allowed. If you purchased your ticket in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you bought your fare more than 24 hours ago, get in touch with us through our Customer Service portal to learn more about your options.

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