$77 Cheap Flights from Las Vegas (LAS) to Chicago (MDW)

View $77 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Chicago Midway Airport (MDW)

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

Prices were available within the past 7 days and start at $77 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Aug 12 - Fri, Aug 15
LAS
Las Vegas
MDW
Chicago
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Las Vegas to Chicago, returning Fri, Aug 15, priced at $139 found 1 day ago
Southwest Airlines
Fri, Sep 19 - Tue, Sep 23
LAS
Las Vegas
MDW
Chicago
$143 Roundtrip, found 1 day ago
$143
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Sep 19 from Las Vegas to Chicago, returning Tue, Sep 23, priced at $143 found 1 day ago
Southwest Airlines
Mon, Oct 6 - Wed, Oct 8
LAS
Las Vegas
MDW
Chicago
$145 Roundtrip, found 4 days ago
$145
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Oct 6 from Las Vegas to Chicago, returning Wed, Oct 8, priced at $145 found 4 days ago
Southwest Airlines
Sun, Aug 17 - Fri, Aug 22
LAS
Las Vegas
MDW
Chicago
$145 Roundtrip, found 1 day ago
$145
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sun, Aug 17 from Las Vegas to Chicago, returning Fri, Aug 22, priced at $145 found 1 day ago
Southwest Airlines
Sat, Aug 30 - Tue, Sep 2
LAS
Las Vegas
MDW
Chicago
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Las Vegas to Chicago, returning Tue, Sep 2, priced at $147 found 5 days ago
Southwest Airlines
Tue, Aug 12 - Fri, Aug 15
LAS
Las Vegas
MDW
Chicago
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Las Vegas to Chicago, returning Fri, Aug 15, priced at $152 found 1 day ago
Southwest Airlines
Fri, Sep 19 - Tue, Sep 23
LAS
Las Vegas
MDW
Chicago
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Sep 19 from Las Vegas to Chicago, returning Tue, Sep 23, priced at $154 found 1 day ago
Southwest Airlines
Sat, Aug 23 - Sun, Aug 24
LAS
Las Vegas
MDW
Chicago
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Las Vegas to Chicago, returning Sun, Aug 24, priced at $154 found 1 day ago
Frontier Airlines
Fri, Sep 26 - Mon, Sep 29
LAS
Las Vegas
MDW
Chicago
$183 Roundtrip, found 4 hours ago
$183
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Sep 26 from Las Vegas to Chicago, returning Mon, Sep 29, priced at $183 found 4 hours ago
Delta
Fri, Sep 19 - Tue, Sep 23
LAS
Las Vegas
MDW
Chicago
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 19 from Las Vegas to Chicago, returning Tue, Sep 23, priced at $185 found 1 day ago

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

October is typically the cheapest month to fly

From $82 - $333 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

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

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $146
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $146
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
$139
Distance
1517 mi
Average flight time
5 hours 34 mins

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 August. 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 $77 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 much does a flight from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW) cost?
Score affordable return tickets from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW) starting at $121. Reserve your seat and get ready for takeoff. 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 Southwest Airlines and Spirit Airlines flight leaving LAS on July 31 2025 and touching down at MDW. The price was last updated on July 9 2025 and has not changed since.
What is the cheapest month to fly from LAS to MDW?
The cheapest flights from LAS to MDW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
When departing from Harry Reid Intl. Airport (LAS), you can jump on a direct flight to Midway Intl. Airport (MDW) with Southwest Airlines.
What is the cheapest airline that flies from LAS to MDW?
With prices starting from $67 for a one-way flight from LAS to MDW, Southwest Airlines is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on August 12 2025. Prices were last updated on July 9 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
When taking off from Harry Reid Intl. Airport (LAS), you'll have your pick from an average of 6 daily nonstop flights to Midway Intl. Airport (MDW).
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
The 6 AM departures from LAS to MDW are typically the busiest. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from LAS to MDW?
If you fly on a Sunday, you'll get the largest range of options for flights from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
Harry Reid Intl. Airport (LAS)'s earliest flight to Midway Intl. Airport (MDW) is at approximately 5:10AM UTC-8. With a travel time of 3h 30m, you'll touch down at around 10:40AM UTC-6.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
Typically, it takes 3 hours and 30 minutes to fly the 1,500 mi from LAS to MDW.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
Book a flight from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be 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 Chicago from Harry Reid Intl. Airport (LAS)?
Take a direct flight from Harry Reid Intl. Airport (LAS) to Chicago and land at O'Hare Intl. Airport (ORD). An alternative gateway to this city is Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW) last-minute?
Booking your ticket from LAS to MDW right before your trip is generally more expensive. But if there's some wiggle room with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a LAS to MDW flight and hotel package?
Opting for a LAS to MDW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Midway Intl. Airport (MDW)?
In most cases, you can reschedule or cancel your LAS to MDW flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, visit our Customer Service portal.

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