$214 Cheap Flights from Rapid City (RAP) to West Yellowstone (WYS)

View $214 flight on Sun, Jun 15, 2025Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to West Yellowstone, MT (WYS-Yellowstone)

Find available prices by choosing your travel dates.

Cheap Flights from Rapid City to West Yellowstone (RAP-WYS)

Prices were available within the past 7 days and start at $214 for one-way flights and $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 26 - Fri, Aug 29
RAP
Rapid City
WYS
West Yellowstone
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 26 from Rapid City to West Yellowstone, returning Fri, Aug 29, priced at $386 found 2 days ago
United
Tue, Aug 26 - Sat, Aug 30
RAP
Rapid City
WYS
West Yellowstone
$409 Roundtrip, found 2 days ago
$409
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 26 from Rapid City to West Yellowstone, returning Sat, Aug 30, priced at $409 found 2 days ago
United
Wed, Aug 27 - Fri, Aug 29
RAP
Rapid City
WYS
West Yellowstone
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from Rapid City to West Yellowstone, returning Fri, Aug 29, priced at $416 found 2 days ago
United
Wed, Aug 27 - Sat, Aug 30
RAP
Rapid City
WYS
West Yellowstone
$439 Roundtrip, found 2 days ago
$439
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from Rapid City to West Yellowstone, returning Sat, Aug 30, priced at $439 found 2 days ago
United
Sat, Aug 30 - Tue, Sep 2
RAP
Rapid City
WYS
West Yellowstone
$446 Roundtrip, found 2 days ago
$446
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Rapid City to West Yellowstone, returning Tue, Sep 2, priced at $446 found 2 days ago
United
Wed, Aug 27 - Tue, Sep 2
RAP
Rapid City
WYS
West Yellowstone
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from Rapid City to West Yellowstone, returning Tue, Sep 2, priced at $476 found 2 days ago
United
Sat, Aug 30 - Sun, Aug 31
RAP
Rapid City
WYS
West Yellowstone
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Rapid City to West Yellowstone, returning Sun, Aug 31, priced at $484 found 2 days ago
United
Sat, Aug 30 - Mon, Sep 1
RAP
Rapid City
WYS
West Yellowstone
$496 Roundtrip, found 2 days ago
$496
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Rapid City to West Yellowstone, returning Mon, Sep 1, priced at $496 found 2 days ago
United
Mon, Aug 25 - Thu, Aug 28
RAP
Rapid City
WYS
West Yellowstone
$504 Roundtrip, found 2 days ago
$504
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 25 from Rapid City to West Yellowstone, returning Thu, Aug 28, priced at $504 found 2 days ago
United
Wed, Aug 27 - Sun, Aug 31
RAP
Rapid City
WYS
West Yellowstone
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from Rapid City to West Yellowstone, returning Sun, Aug 31, priced at $514 found 2 days ago
Flights from Rapid City (RAP) to West Yellowstone (WYS)
Origin airport
Rapid City Regional
Destination airport
Yellowstone
Airlines serving
United
Roundtrip price
$385
Distance
400 mi

Rapid City to West Yellowstone Flights

The cheapest times to fly from Rapid City to West Yellowstone

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

The best time to book a flight from Rapid City to West Yellowstone

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

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 Rapid City to West Yellowstone in 2025. You can also book with separate airlines for your outbound and return journeys, from $214 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 Rapid City to West Yellowstone 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 Rapid City to West Yellowstone 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 Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS) cost?
Discover the latest flight deals from RAP to WYS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RAP to WYS?
The cheapest flights from RAP to WYS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RAP to WYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from RAP to WYS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS)?
There are no daily nonstop flights from Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time at all.
What day of the week has the most flights from RAP to WYS?
Generally you’ll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season 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 Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS)?
Opt for a flight from Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS) that takes off before 3 PM to reduce the likelihood of delays. 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 Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS) last-minute?
Last-minute fares from RAP to WYS are generally more expensive. To lock in the best prices, start searching for flights ahead of time. That said, if you’re flexible with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a RAP to WYS flight and hotel package?
Opting for a RAP to WYS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Yellowstone Airport (WYS)?
You can usually cancel or reschedule your RAP to WYS flight. However, if the booking was 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 if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.