Cheap Flights from Riverton (RIW) to Las Vegas (LAS)

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Find available prices by choosing your travel dates.

Cheap Flights from Riverton to Las Vegas (RIW-LAS)

Prices were available within the past 7 days and start at for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Riverton (RIW) to Las Vegas (LAS)
Origin airport
Riverton Regional
Destination airport
Harry Reid Intl.
Airlines serving
United
Roundtrip price
$248
Distance
598 mi

Riverton to Las Vegas Flights

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

The best time to book a flight from Riverton to Las Vegas

Sunday is one of the best days to book for cheap flights from Riverton 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 Riverton 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 Riverton to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Riverton 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 Riverton 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 Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS) cost?
Discover the latest flight deals from RIW to LAS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RIW to LAS?
The cheapest flights from RIW 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.
What is the cheapest airline that flies from RIW to LAS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from RIW to LAS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS)?
There aren’t any daily nonstop flights departing from Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS). But you can book 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 at all.
What day of the week has the most flights from RIW to LAS?
You’ll usually 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 Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS) route, aim to 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.
Is it cheaper to buy a plane ticket from Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute fares from RIW to LAS are generally more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it’s possible to find a cheap ticket right before your journey.
Is it cheaper to book a RIW to LAS flight and hotel package?
Compared with arranging hotels and flights separately, booking a RIW to LAS flight and hotel package with Expedia could result in significant savings. What’s more, managing everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Riverton Regional Airport (RIW) to Harry Reid Intl. Airport (LAS)?
Typically, you’re able to reschedule or cancel your RIW to LAS flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you’d like further details, go to our Customer Service portal.

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*Available to One Key members.