$359 Cheap Flights from Williston (XWA) to Rapid City (RAP)

View $359 flight on Sat, Sep 13, 2025Opens in a new window

Popular airlines from Williston, ND (XWA-Basin Intl.) to Rapid City Regional Airport (RAP)

Cheap Flights from Williston to Rapid City (XWA-RAP)

Prices were available within the past 7 days and start at $359 for one-way flights and $522 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 12 - Fri, Sep 19
XWA
Williston
RAP
Rapid City
$522 Roundtrip, found 12 hours ago
$522
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Sep 12 from Williston to Rapid City, returning Fri, Sep 19, priced at $522 found 12 hours ago
United
Fri, Sep 12 - Wed, Sep 17
XWA
Williston
RAP
Rapid City
$527 Roundtrip, found 12 hours ago
$527
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Sep 12 from Williston to Rapid City, returning Wed, Sep 17, priced at $527 found 12 hours ago
United
Fri, Sep 12 - Mon, Sep 15
XWA
Williston
RAP
Rapid City
$537 Roundtrip, found 12 hours ago
$537
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Sep 12 from Williston to Rapid City, returning Mon, Sep 15, priced at $537 found 12 hours ago
United
Mon, Sep 8 - Fri, Sep 19
XWA
Williston
RAP
Rapid City
$577 Roundtrip, found 12 hours ago
$577
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 8 from Williston to Rapid City, returning Fri, Sep 19, priced at $577 found 12 hours ago
United
Mon, Sep 8 - Wed, Sep 17
XWA
Williston
RAP
Rapid City
$582 Roundtrip, found 12 hours ago
$582
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 8 from Williston to Rapid City, returning Wed, Sep 17, priced at $582 found 12 hours ago
United
Sat, Sep 13 - Wed, Sep 17
XWA
Williston
RAP
Rapid City
$587 Roundtrip, found 12 hours ago
$587
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 13 from Williston to Rapid City, returning Wed, Sep 17, priced at $587 found 12 hours ago
United
Mon, Sep 8 - Mon, Sep 15
XWA
Williston
RAP
Rapid City
$592 Roundtrip, found 12 hours ago
$592
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 8 from Williston to Rapid City, returning Mon, Sep 15, priced at $592 found 12 hours ago
United
Tue, Sep 9 - Fri, Sep 12
XWA
Williston
RAP
Rapid City
$597 Roundtrip, found 4 days ago
$597
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 9 from Williston to Rapid City, returning Fri, Sep 12, priced at $597 found 4 days ago
United
Fri, Sep 12 - Sun, Sep 21
XWA
Williston
RAP
Rapid City
$606 Roundtrip, found 12 hours ago
$606
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Sep 12 from Williston to Rapid City, returning Sun, Sep 21, priced at $606 found 12 hours ago
Delta
Fri, Sep 12 - Sun, Sep 14
XWA
Williston
RAP
Rapid City
$770 Roundtrip, found 4 days ago
$770
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 12 from Williston to Rapid City, returning Sun, Sep 14, priced at $770 found 4 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 $522
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $522
Flights from Williston (XWA) to Rapid City (RAP)
Origin airport
Basin Intl.
Destination airport
Rapid City Regional
Airlines serving
Delta, United
Roundtrip price
$521
Distance
293 mi

Williston to Rapid City Flights

The cheapest times to fly from Williston 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 Williston to Rapid City are during the month of September. You can find some of the cheapest flights from Williston to Rapid City with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Williston 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 Williston 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 Williston to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $359 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 Williston 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 Williston 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.

 

Frequently asked questions

How much does a flight from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP) cost?
Snag a cheap one-way flight from $359 or cheap return flight from $522 from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP) 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 Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP)?
The cheapest month to fly from XWA to RAP is September, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP)?
To find the cheapest airline that'll fly you from XWA 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 list the most affordable options first.
How many flights per day from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP)?
Nonstop flights from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from XWA to RAP?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP)?
Opt for a flight from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP) last-minute?
Waiting until just before your departure to book a ticket from XWA to RAP generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a XWA to RAP flight and hotel package?
Compared with arranging flights and hotels separately, booking a XWA to RAP flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Basin Intl. Airport (XWA) to Rapid City Regional Airport (RAP)?
If you reserved your XWA to RAP flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.