Cheap Flights from Lewiston (LWS) to Rock Springs (RKS)

Popular airlines from Lewiston, ID (LWS-Nez Perce County Regional) to Rock Springs, WY (RKS-Sweetwater County)

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Frequently asked questions

How much does a flight from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS) cost?
Lock in a cheap one-way flight or cheap return flight from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS)?
is the cheapest month to fly from LWS to RKS. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from LWS to RKS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS)?
Direct flights from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LWS to RKS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year 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 Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS)?
To reach Sweetwater County Airport (RKS) on time, choose a flight that leaves Nez Perce County Regional Airport (LWS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS) last-minute?
Waiting until just before your trip to book your flight from LWS to RKS generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a LWS to RKS flight and hotel package?
Compared with arranging hotels and flights separately, booking a LWS to RKS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Nez Perce County Regional Airport (LWS) to Sweetwater County Airport (RKS)?
Typically, you can reschedule or cancel your LWS to RKS flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Nez Perce County Regional
Destination airport
Sweetwater County
Distance
514 mi

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Lewiston to Rock Springs Flights

The cheapest times to fly from Lewiston 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 Lewiston to Rock Springs are during the month of . You can find some of the cheapest flights from Lewiston to Rock Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lewiston to Rock Springs

Sunday is one of the best days to book for cheap flights from Lewiston 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 Lewiston 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 Lewiston to Rock Springs in 2026. 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 Lewiston 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 Lewiston 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.

 

Lewiston to Rock Springs Flights
*Available to One Key members.