The cheapest times to fly from LWS to RAP are

  • January 15th to May 6th (except the weeks of February 12th, March 5th, March 19th, and April 16th)
  • June 18th to September 9th (except the week of July 30th)
  • October 22nd to November 18th (except the week of November 5th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LWS to RAP is late August to early September. Prices can be as high as $930 for Sunday flights during mid December, or as low as $310 for Tuesday flights around late August to early September.


When to Fly to Rapid City

Flying from Lewiston, ID (LWS) to Rapid City, SD (RAP) will usually cost between $416 to $667 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late August to early September with an average ticket price of $385. Due to high demand the most expensive time to fly is mid December, with an average price of $681. Planning your trip to low-cost times can easily save you $296 on economy flights and even more on first-class flights. Generally, any price below $505 can be considered a good price for a round-trip LWS to RAP flight.

See below for a graph of average weekly prices for the LWS to RAP route. All prices are for round-trip tickets in USD.

LWS to RAP Flight Prices

Compared to other flights, the LWS to RAP flight is cheaper than the average and costs much less than the average flight leaving from Lewiston. The average price per mile (for a direct flight) is $0.45, which is a bit above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $68 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $483. Return trip prices are from the RAP to LWS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LWS to RAP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 14 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from LWS to RAP? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Delta, United, and potentially more during busy seasons.

How far away is it from Rapid City Regional Airport to Lewiston Nez Perce County Airport?

The distance between the two airports is roughly 697 miles or 1122 kilometers.

How long does it take to fly from LWS to RAP?

The real-world flight time for a nonstop LWS to RAP flight is about 2 hour 14 minutes.

How many flights go between Lewiston, ID and Rapid City, SD?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from LWS to RAP.


Airport Location Info


Departing Airport

Origination code LWS
Origination airport name Lewiston Nez Perce County Airport
City Lewiston, ID
Country the United States
Latitude 46.4
Longitude -117

Return Airport

Destination code RAP
Destination airport name Rapid City Regional Airport
City Rapid City, SD
Country the United States
Latitude 44
Longitude -103.1


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.