$322 Cheap Flights from Lewiston (LWS) to Rapid City (RAP)

View $322 flight on Fri, Oct 17, 2025Opens in a new window

Popular airlines from Lewiston, ID (LWS-Nez Perce County Regional) to Rapid City Regional Airport (RAP)

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Cheap Flights from Lewiston to Rapid City (LWS-RAP)

Prices were available within the past 7 days and start at $322 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 29 - Sat, Nov 15
LWS
Lewiston
RAP
Rapid City
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 29 from Lewiston to Rapid City, returning Sat, Nov 15, priced at $338 found 6 days ago
Delta
Fri, Oct 17 - Wed, Nov 5
LWS
Lewiston
RAP
Rapid City
$343 Roundtrip, found 6 days ago
$343
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 17 from Lewiston to Rapid City, returning Wed, Nov 5, priced at $343 found 6 days ago
Delta
Fri, Oct 17 - Mon, Nov 3
LWS
Lewiston
RAP
Rapid City
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 17 from Lewiston to Rapid City, returning Mon, Nov 3, priced at $358 found 6 days ago
Delta
Mon, Nov 10 - Mon, Nov 24
LWS
Lewiston
RAP
Rapid City
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 10 from Lewiston to Rapid City, returning Mon, Nov 24, priced at $393 found 6 days ago
Delta
Sat, Nov 22 - Tue, Dec 9
LWS
Lewiston
RAP
Rapid City
$403 Roundtrip, found 6 days ago
$403
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 22 from Lewiston to Rapid City, returning Tue, Dec 9, priced at $403 found 6 days ago
Delta
Wed, Oct 8 - Tue, Oct 28
LWS
Lewiston
RAP
Rapid City
$413 Roundtrip, found 6 days ago
$413
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 8 from Lewiston to Rapid City, returning Tue, Oct 28, priced at $413 found 6 days ago
Delta
Wed, Oct 8 - Wed, Oct 29
LWS
Lewiston
RAP
Rapid City
$423 Roundtrip, found 6 days ago
$423
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 8 from Lewiston to Rapid City, returning Wed, Oct 29, priced at $423 found 6 days ago
Delta
Fri, Oct 17 - Sat, Nov 1
LWS
Lewiston
RAP
Rapid City
$427 Roundtrip, found 6 days ago
$427
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 17 from Lewiston to Rapid City, returning Sat, Nov 1, priced at $427 found 6 days ago
Delta
Fri, Oct 17 - Tue, Oct 21
LWS
Lewiston
RAP
Rapid City
$433 Roundtrip, found 3 days ago
$433
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 17 from Lewiston to Rapid City, returning Tue, Oct 21, priced at $433 found 3 days ago
Delta
Sat, Nov 15 - Thu, Dec 4
LWS
Lewiston
RAP
Rapid City
$442 Roundtrip, found 6 days ago
$442
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 15 from Lewiston to Rapid City, returning Thu, Dec 4, priced at $442 found 6 days ago

Alternative airports near Rapid City

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

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $457
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $457

Frequently asked questions

How much does a flight from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP) cost?
Lock in a cheap one-way flight from $322 or cheap return flight from $338 from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP)?
Flying in October is a good way to save, as it's the cheapest month for flights between LWS and RAP. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP)?
To find the cheapest airline flying from LWS to RAP, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP)?
There are no daily direct flights departing from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP). But you can book 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 LWS to RAP?
You'll generally find Tuesday the quietest day for flights, while Fridays are often 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 Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP)?
To arrive at Rapid City Regional Airport (RAP) on schedule, select a flight that leaves from 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 Rapid City Regional Airport (RAP) last-minute?
Last-minute bookings from LWS to RAP are generally more expensive. To lock in the best rates, start searching for flights well ahead of time. That said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a LWS to RAP flight and hotel package?
Compared with arranging flights and hotels separately, booking a LWS to RAP flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Nez Perce County Regional Airport (LWS) to Rapid City Regional Airport (RAP)?
If you reserved your LWS to RAP flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Nez Perce County Regional
Destination airport
Rapid City Regional
Roundtrip price
$338
Distance
697 mi

Book with confidence

Book with confidence

Lewiston to Rapid City Flights

The cheapest times to fly from Lewiston to Rapid City

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 Rapid City are during the month of October. You can find some of the cheapest flights from Lewiston to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lewiston to Rapid City

Sunday is one of the best days to book for cheap flights from Lewiston to Rapid City: 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 Rapid City

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 Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $322 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 Rapid City 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 Rapid City 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 Rapid City Flights

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*Available to One Key members.