$222 Cheap Flights from Great Falls (GTF) to Rapid City (RAP)

View $222 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Rapid City Regional Airport (RAP)

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Cheap Flights from Great Falls to Rapid City (GTF-RAP)

Prices were available within the past 7 days and start at $222 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 11 - Tue, Nov 18
GTF
Great Falls
RAP
Rapid City
$223 Roundtrip, found 4 days ago
$223
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Great Falls to Rapid City, returning Tue, Nov 18, priced at $223 found 4 days ago
Delta
Fri, Nov 14 - Tue, Nov 18
GTF
Great Falls
RAP
Rapid City
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 14 from Great Falls to Rapid City, returning Tue, Nov 18, priced at $234 found 4 days ago
Delta
Fri, Nov 14 - Sat, Nov 15
GTF
Great Falls
RAP
Rapid City
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 14 from Great Falls to Rapid City, returning Sat, Nov 15, priced at $239 found 4 days ago
United
Tue, Nov 11 - Tue, Nov 18
GTF
Great Falls
RAP
Rapid City
$246 Roundtrip, found 4 days ago
$246
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Great Falls to Rapid City, returning Tue, Nov 18, priced at $246 found 4 days ago
Delta
Mon, Nov 10 - Tue, Nov 18
GTF
Great Falls
RAP
Rapid City
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 10 from Great Falls to Rapid City, returning Tue, Nov 18, priced at $254 found 4 days ago
Delta
Fri, Nov 14 - Wed, Nov 19
GTF
Great Falls
RAP
Rapid City
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 14 from Great Falls to Rapid City, returning Wed, Nov 19, priced at $259 found 4 days ago
Delta
Mon, Nov 10 - Wed, Nov 19
GTF
Great Falls
RAP
Rapid City
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 10 from Great Falls to Rapid City, returning Wed, Nov 19, priced at $279 found 4 days ago
United
Tue, Nov 11 - Tue, Nov 18
GTF
Great Falls
RAP
Rapid City
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Great Falls to Rapid City, returning Tue, Nov 18, priced at $283 found 4 days ago
United
Tue, Nov 11 - Sat, Nov 15
GTF
Great Falls
RAP
Rapid City
$288 Roundtrip, found 4 days ago
$288
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 11 from Great Falls to Rapid City, returning Sat, Nov 15, priced at $288 found 4 days ago
United
Wed, Dec 17 - Sat, Jan 10
GTF
Great Falls
RAP
Rapid City
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 17 from Great Falls to Rapid City, returning Sat, Jan 10, priced at $293 found 1 day ago

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP) cost?
Get a cheap one-way flight from $222 or cheap return flight from $223 from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP)?
Planning your trip for November may help you find better deals, as it's the cheapest month for flights between GTF and RAP. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP)?
To find the cheapest airline that'll fly you from GTF to RAP, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP)?
You'll need to hop on a flight with a layover if you're traveling from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from GTF to RAP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as 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 Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP)?
To avoid potential delays on the Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP) route, aim to travel before 3 PM. Departures after this hour 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 Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP) last-minute?
Waiting until just before your trip to book a ticket from GTF to RAP often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a GTF to RAP flight and hotel package?
Compared with arranging hotels and flights separately, booking a GTF to RAP flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Rapid City Regional Airport (RAP)?
In most cases, you can cancel or reschedule your GTF to RAP flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Great Falls Intl.
Destination airport
Rapid City Regional
Airlines serving
Delta, United
Roundtrip price
$223
Distance
465 mi

Book with confidence

Great Falls to Rapid City Flights

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

 

The best time to book a flight from Great Falls to Rapid City

Sunday is one of the best days to book for cheap flights from Great Falls 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 Great Falls 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 Great Falls to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $222 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 Great Falls 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 Great Falls 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.

 

Great Falls to Rapid City Flights

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*Available to One Key members.