$80 Cheap Flights from Chicago (MDW) to Las Vegas (LAS)

View $80 flight on Sat, Nov 15, 2025Opens in a new window

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

Today's featured flight deals from Chicago Midway Airport (MDW) to Harry Reid Intl. Airport (LAS)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Oct 29 - Fri, Oct 31
MDW
Chicago
LAS
Las Vegas
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Oct 29 from Chicago to Las Vegas, returning Fri, Oct 31, priced at $159 just found
Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
MDW
Chicago
LAS
Las Vegas
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 3 from Chicago to Las Vegas, returning Thu, Nov 6, priced at $161 just found
Frontier Airlines
Mon, Sep 29 - Thu, Oct 2
MDW
Chicago
LAS
Las Vegas
$162 Roundtrip, just found
$162
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 29 from Chicago to Las Vegas, returning Thu, Oct 2, priced at $162 just found
Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
MDW
Chicago
LAS
Las Vegas
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 3 from Chicago to Las Vegas, returning Thu, Nov 6, priced at $167 just found
Southwest Airlines
Tue, Sep 23 - Fri, Sep 26
MDW
Chicago
LAS
Las Vegas
$169 Roundtrip, just found
$169
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 23 from Chicago to Las Vegas, returning Fri, Sep 26, priced at $169 just found
Southwest Airlines
Tue, Sep 23 - Fri, Sep 26
MDW
Chicago
LAS
Las Vegas
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 23 from Chicago to Las Vegas, returning Fri, Sep 26, priced at $171 just found
Southwest Airlines
Sat, Dec 6 - Mon, Dec 8
MDW
Chicago
LAS
Las Vegas
$173 Roundtrip, just found
$173
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Dec 6 from Chicago to Las Vegas, returning Mon, Dec 8, priced at $173 just found
Frontier Airlines
Thu, Nov 13 - Tue, Nov 18
MDW
Chicago
LAS
Las Vegas
$175 Roundtrip, just found
$175
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from Chicago to Las Vegas, returning Tue, Nov 18, priced at $175 just found
Frontier Airlines
Fri, Nov 7 - Sun, Nov 9
MDW
Chicago
LAS
Las Vegas
$176 Roundtrip, just found
$176
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Chicago to Las Vegas, returning Sun, Nov 9, priced at $176 just found
Delta
Tue, Oct 21 - Fri, Oct 24
MDW
Chicago
LAS
Las Vegas
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Delta flight, departing Tue, Oct 21 from Chicago to Las Vegas, returning Fri, Oct 24, priced at $198 just found

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

November is typically the cheapest month to fly

From $82 - $395 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 $263
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $263
Flights from Chicago (MDW) to Las Vegas (LAS)
Origin airport
Midway Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$159
Distance
1517 mi
Average flight time
2 hours 2 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 October. 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 $80 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 Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS) cost?
Snag a cheap one-way flight from $80 or cheap return flight from $159 from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from MDW to LAS is October, when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
Which airlines fly direct from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
Board a direct flight with Southwest Airlines and go straight from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS).
What is the cheapest airline that flies from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
While prices may vary depending on when you travel, Frontier Airlines and Southwest Airlines are popular options for flights between Midway Intl. Airport (MDW) and Harry Reid Intl. Airport (LAS). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest ticket for your MDW to LAS flight.
How many flights per day from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
Every day on average, 6 nonstop flights operate from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
More travelers fly between MDW and LAS at 12 PM than at any other point in the day. Looking for a quieter experience? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from MDW to LAS?
If you fly on a Friday, you'll get the largest range of choices for flights from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
The earliest flight departing from Midway Intl. Airport (MDW) is at around 5:30AM UTC-6. Catch this flight and you'll reach Harry Reid Intl. Airport (LAS) at approximately 7:45AM UTC-8. The total flight duration is 4h 15m.
How long does it take to fly from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
It usually takes 4 hours and 9 minutes to fly the 1,500 mi from MDW to LAS.
What is the best time to fly from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Midway Intl. Airport (MDW)?
Check out your flight options from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS) last-minute?
Waiting until just before your trip to book your flight from MDW to LAS generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a MDW to LAS flight and hotel package?
You'll typically save money by booking a MDW 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 everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Harry Reid Intl. Airport (LAS)?
If you reserved your MDW to LAS flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.