$243 Cheap Flights from West Yellowstone (WYS) to Las Vegas (LAS)

View $243 flight on Fri, Sep 26, 2025Opens in a new window

Popular airlines from West Yellowstone, MT (WYS-Yellowstone) to Harry Reid Intl. Airport (LAS)

Cheap Flights from West Yellowstone to Las Vegas (WYS-LAS)

Prices were available within the past 7 days and start at $243 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from West Yellowstone (WYS) to Las Vegas (LAS)
Origin airport
Yellowstone
Destination airport
Harry Reid Intl.
Distance
631 mi

West Yellowstone to Las Vegas Flights

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

 

The best time to book a flight from West Yellowstone to Las Vegas

Sunday is one of the best days to book for cheap flights from West Yellowstone 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 West Yellowstone 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 West Yellowstone to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $243 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 West Yellowstone 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 West Yellowstone 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 Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS) cost?
Get a cheap one-way flight from $243 or cheap return flight from Yellowstone Airport (WYS) 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 Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from WYS to LAS is , when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline that'll fly you from WYS to LAS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS)?
There aren't any daily direct flights available from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from WYS to LAS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS)?
To reach Harry Reid Intl. Airport (LAS) on time, opt for a flight that takes off from Yellowstone Airport (WYS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS) last-minute?
Waiting until just before your departure to book your flight from WYS to LAS often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book a WYS to LAS flight and hotel package?
You'll generally save money by securing a WYS to LAS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Yellowstone Airport (WYS) to Harry Reid Intl. Airport (LAS)?
You can usually cancel or reschedule your WYS to LAS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.