$79 Cheap Flights from Des Moines (DSM) to Las Vegas (LAS)

View $79 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Des Moines to Las Vegas (DSM-LAS)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Oct 7 - Tue, Oct 14
DSM
Des Moines
LAS
Las Vegas
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Des Moines to Las Vegas, returning Tue, Oct 14, priced at $157 found 1 hour ago
Southwest Airlines
Tue, Oct 7 - Tue, Oct 14
DSM
Des Moines
LAS
Las Vegas
$167 Roundtrip, found 1 hour ago
$167
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Des Moines to Las Vegas, returning Tue, Oct 14, priced at $167 found 1 hour ago
American Airlines
Thu, Aug 21 - Mon, Aug 25
DSM
Des Moines
LAS
Las Vegas
$168 Roundtrip, found 5 hours ago
$168
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Aug 21 from Des Moines to Las Vegas, returning Mon, Aug 25, priced at $168 found 5 hours ago
Southwest Airlines
Thu, Sep 18 - Sat, Sep 20
DSM
Des Moines
LAS
Las Vegas
$172 Roundtrip, found 1 hour ago
$172
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, Sep 18 from Des Moines to Las Vegas, returning Sat, Sep 20, priced at $172 found 1 hour ago
American Airlines
Fri, Aug 22 - Mon, Aug 25
DSM
Des Moines
LAS
Las Vegas
$173 Roundtrip, found 4 hours ago
$173
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Aug 22 from Des Moines to Las Vegas, returning Mon, Aug 25, priced at $173 found 4 hours ago
American Airlines
Tue, Aug 5 - Thu, Aug 7
DSM
Des Moines
LAS
Las Vegas
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 5 from Des Moines to Las Vegas, returning Thu, Aug 7, priced at $177 just found
Southwest Airlines
Fri, Aug 22 - Mon, Aug 25
DSM
Des Moines
LAS
Las Vegas
$178 Roundtrip, found 4 hours ago
$178
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Aug 22 from Des Moines to Las Vegas, returning Mon, Aug 25, priced at $178 found 4 hours ago
United
Wed, Oct 29 - Sat, Nov 1
DSM
Des Moines
LAS
Las Vegas
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 29 from Des Moines to Las Vegas, returning Sat, Nov 1, priced at $192 found 2 days ago
Delta
Mon, Aug 11 - Thu, Aug 14
DSM
Des Moines
LAS
Las Vegas
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 11 from Des Moines to Las Vegas, returning Thu, Aug 14, priced at $198 found 1 hour ago
Frontier Airlines
Mon, Oct 13 - Thu, Oct 16
DSM
Des Moines
LAS
Las Vegas
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Des Moines to Las Vegas, returning Thu, Oct 16, priced at $205 found 4 days ago

Find the cheapest month to fly from Des Moines (DSM) to Las Vegas (LAS)

August is typically the cheapest month to fly

From $110 - $348 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 $317
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $317
Flights from Des Moines (DSM) to Las Vegas (LAS)
Origin airport
Des Moines Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$157
Distance
1213 mi
Average flight time
1 hour 8 mins

Des Moines to Las Vegas Flights

The cheapest times to fly from Des Moines 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 Des Moines to Las Vegas are during the month of October. You can find some of the cheapest flights from Des Moines to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Des Moines to Las Vegas

Sunday is one of the best days to book for cheap flights from Des Moines 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 Des Moines 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 Des Moines to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 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 Des Moines 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 Des Moines 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 Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS) cost?
Book cheap return flights starting from $157 from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS). 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 flight leaving DSM on July 29 2025 and touching down at LAS. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from DSM to LAS?
The cheapest flights from DSM to LAS 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 Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
Take a direct flight with Southwest Airlines and fly straight from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS).
What is the cheapest airline that flies from DSM to LAS?
Currently, the cheapest carrier offering one-way flights from DSM to LAS is Southwest Airlines. You can take off on this route from $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DSM on September 24 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
On average, Des Moines Intl. Airport (DSM) only offers 1 nonstop flight to Harry Reid Intl. Airport (LAS) daily. To explore more options, try our easy-to-use filters. Simply enter your details, then choose "1 Stop" or "2+ Stops" to discover flights with layovers.
What are the most popular departure times for flights from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
The 2 PM departures from DSM to LAS are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from DSM to LAS?
Friday has the most flights from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
Des Moines Intl. Airport (DSM)'s earliest flight to Harry Reid Intl. Airport (LAS) is at approximately 11:30AM UTC-6. With a flight time of 3h 25m, you'll land at around 12:55PM UTC-8.
How long does it take to fly from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
The average flight duration from DSM to LAS is 3 hours and 22 minutes, covering a total distance of 1,200 mi.
What airline has the least delays from DSM to LAS?
With 89% of flights generally arriving on schedule, Southwest Airlines has the best on-time performance for nonstop flights from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS). To monitor your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
Choose a flight from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Des Moines Intl. Airport (DSM)?
If you're traveling on a direct flight from Des Moines Intl. Airport (DSM) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book your flight from DSM to LAS generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a DSM to LAS flight and hotel package?
Booking a DSM to LAS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Harry Reid Intl. Airport (LAS)?
If you booked your DSM to LAS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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, go to our Customer Service portal for more information.

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