Popular airlines from Rapid City Regional Airport (RAP) to St. George Regional Airport (SGU)

Cheap Flights from Rapid City to St. George (RAP-SGU)

Prices were available within the past 7 days and start at $191 for one-way flights and $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 5 - Wed, Nov 12
RAP
Rapid City
SGU
St. George
$243 Roundtrip, found 5 days ago
$243
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Rapid City to St. George, returning Wed, Nov 12, priced at $243 found 5 days ago
United
Wed, Nov 5 - Wed, Nov 12
RAP
Rapid City
SGU
St. George
$249 Roundtrip, found 5 days ago
$249
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Rapid City to St. George, returning Wed, Nov 12, priced at $249 found 5 days ago
Delta
Sat, Jan 24 - Wed, Feb 11
RAP
Rapid City
SGU
St. George
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 24 from Rapid City to St. George, returning Wed, Feb 11, priced at $249 found 4 days ago
United
Tue, Nov 18 - Sat, Nov 22
RAP
Rapid City
SGU
St. George
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 18 from Rapid City to St. George, returning Sat, Nov 22, priced at $254 found 3 days ago
United
Mon, Nov 17 - Sat, Nov 22
RAP
Rapid City
SGU
St. George
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 17 from Rapid City to St. George, returning Sat, Nov 22, priced at $259 found 3 days ago
Delta
Sat, Feb 7 - Wed, Feb 25
RAP
Rapid City
SGU
St. George
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Feb 7 from Rapid City to St. George, returning Wed, Feb 25, priced at $274 found 4 days ago
United
Thu, Dec 4 - Wed, Dec 10
RAP
Rapid City
SGU
St. George
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 4 from Rapid City to St. George, returning Wed, Dec 10, priced at $282 found 4 days ago
Delta
Tue, Nov 4 - Fri, Nov 21
RAP
Rapid City
SGU
St. George
$284 Roundtrip, found 5 days ago
$284
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Rapid City to St. George, returning Fri, Nov 21, priced at $284 found 5 days ago
United
Wed, Nov 5 - Wed, Nov 12
RAP
Rapid City
SGU
St. George
$286 Roundtrip, found 5 days ago
$286
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Rapid City to St. George, returning Wed, Nov 12, priced at $286 found 5 days ago
American Airlines
Tue, Feb 10 - Thu, Feb 26
RAP
Rapid City
SGU
St. George
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Feb 10 from Rapid City to St. George, returning Thu, Feb 26, priced at $308 found 4 days ago

Alternative airports near St. George

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

Select flight to St. George Regional Airport SGU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $313
SGU
St. George Regional Airport
CheapestClosest
Average driving time to city center20 min
Flights from $313

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to St. George Airport (SGU) cost?
Snag a cheap one-way flight from $191 or cheap return flight from $243 from Rapid City Regional Airport (RAP) to St. George Airport (SGU) 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 Rapid City Regional Airport (RAP) to St. George Airport (SGU)?
November is the least expensive month to fly from RAP to SGU. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to St. George Airport (SGU)?
To find the cheapest airline that'll fly you from RAP to SGU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Rapid City Regional Airport (RAP) to St. George Airport (SGU)?
You'll need to book a flight with a layover when traveling from Rapid City Regional Airport (RAP) to St. George Airport (SGU). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from RAP to SGU?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the season 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 Rapid City Regional Airport (RAP) to St. George Airport (SGU)?
To avoid possible delays on the Rapid City Regional Airport (RAP) to St. George Airport (SGU) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**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 St. George Airport (SGU) last-minute?
Last-minute fares from RAP to SGU are usually more expensive. To lock in the best rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a RAP to SGU flight and hotel package?
You'll generally save money by securing a RAP to SGU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to St. George Airport (SGU)?
If you reserved your RAP to SGU flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type 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, head to our Customer Service portal for more information.

Book with confidence

Rapid City to St. George Flights

The cheapest times to fly from Rapid City to St. George

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

 

The best time to book a flight from Rapid City to St. George

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

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 St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $191 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 St. George 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 St. George 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.

 

Rapid City to St. George Flights

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*Available to One Key members.