$233 Cheap Flights from Las Vegas (LAS) to Rock Springs (RKS)

View $233 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Rock Springs, WY (RKS-Sweetwater County)

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Cheap Flights from Las Vegas to Rock Springs (LAS-RKS)

Prices were available within the past 7 days and start at $233 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 11 - Wed, Feb 18
LAS
Las Vegas
RKS
Rock Springs
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 11 from Las Vegas to Rock Springs, returning Wed, Feb 18, priced at $238 found 1 day ago
United
Wed, Feb 11 - Wed, Feb 18
LAS
Las Vegas
RKS
Rock Springs
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 11 from Las Vegas to Rock Springs, returning Wed, Feb 18, priced at $244 found 1 day ago
United
Wed, Feb 11 - Wed, Feb 18
LAS
Las Vegas
RKS
Rock Springs
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 11 from Las Vegas to Rock Springs, returning Wed, Feb 18, priced at $249 found 1 day ago
United
Sat, Dec 6 - Tue, Dec 9
LAS
Las Vegas
RKS
Rock Springs
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Las Vegas to Rock Springs, returning Tue, Dec 9, priced at $266 found 2 days ago
United
Sat, Dec 6 - Tue, Dec 9
LAS
Las Vegas
RKS
Rock Springs
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Las Vegas to Rock Springs, returning Tue, Dec 9, priced at $271 found 2 days ago
United
Wed, Nov 5 - Mon, Nov 10
LAS
Las Vegas
RKS
Rock Springs
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 5 from Las Vegas to Rock Springs, returning Mon, Nov 10, priced at $278 found 6 days ago
United
Wed, Nov 5 - Mon, Nov 10
LAS
Las Vegas
RKS
Rock Springs
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 5 from Las Vegas to Rock Springs, returning Mon, Nov 10, priced at $284 found 6 days ago
United
Wed, Nov 5 - Mon, Nov 10
LAS
Las Vegas
RKS
Rock Springs
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 5 from Las Vegas to Rock Springs, returning Mon, Nov 10, priced at $289 found 6 days ago
United
Thu, Feb 12 - Wed, Feb 18
LAS
Las Vegas
RKS
Rock Springs
$308 Roundtrip, found 21 hours ago
$308
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Feb 12 from Las Vegas to Rock Springs, returning Wed, Feb 18, priced at $308 found 21 hours ago
United
Tue, Nov 11 - Wed, Nov 26
LAS
Las Vegas
RKS
Rock Springs
$313 Roundtrip, found 4 days ago
$313
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Las Vegas to Rock Springs, returning Wed, Nov 26, priced at $313 found 4 days ago

Alternative airports near Rock Springs

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

Select flight to Sweetwater County RKS. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $343
RKS
Sweetwater County
CheapestClosest
Average driving time to city center14 min
Flights from $343

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS) cost?
Lock in a cheap one-way flight from $233 or cheap return flight from $238 from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS) 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 Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS)?
Traveling in February is a great way to save, as it's the cheapest month for flights between LAS and RKS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LAS to RKS flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS)?
There aren't any daily direct flights departing from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from LAS to RKS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS)?
Opt for a flight from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS) that leaves before 3 PM to reduce the risk of delays and 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.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS) last-minute?
Waiting until just before your trip to book a ticket from LAS to RKS often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a LAS to RKS flight and hotel package?
You'll typically save money by booking a LAS to RKS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Sweetwater County Airport (RKS)?
It's generally possible to reschedule or cancel your LAS to RKS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Sweetwater County
Airlines serving
United
Roundtrip price
$238
Distance
501 mi

Book with confidence

Las Vegas to Rock Springs Flights

The cheapest times to fly from Las Vegas to Rock Springs

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 Rock Springs are during the month of February. You can find some of the cheapest flights from Las Vegas to Rock Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Rock Springs

Sunday is one of the best days to book for cheap flights from Las Vegas to Rock Springs: 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 Rock Springs

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 Rock Springs in 2025. You can also book with separate airlines for your outbound and return journeys, from $233 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 Rock Springs 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 Rock Springs 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.

 

Las Vegas to Rock Springs Flights

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*Available to One Key members.