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Keystone

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Keystone Flights as Low as $255

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

United
Mon, Aug 24 - Thu, Sep 10
DEN
Denver Intl.
RAP
Rapid City Regional
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 24 from Denver Intl. to Rapid City Regional, returning Thu, Sep 10, priced at $255 found 3 days ago
Bargain Flight
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$267 Roundtrip, found 14 hours ago
$267
Roundtrip
found 14 hours ago
Select Bargain Flight flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $267 found 14 hours ago
American Airlines
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$279 Roundtrip, found 14 hours ago
$279
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $279 found 14 hours ago
United
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$284 Roundtrip, found 14 hours ago
$284
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $284 found 14 hours ago
Delta
Tue, Aug 4 - Wed, Aug 19
SAT
San Antonio Intl.
RAP
Rapid City Regional
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 4 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 19, priced at $285 found 3 days ago
United
Mon, Aug 24 - Thu, Sep 10
DEN
Denver Intl.
RAP
Rapid City Regional
$287 Roundtrip, found 3 days ago
$287
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 24 from Denver Intl. to Rapid City Regional, returning Thu, Sep 10, priced at $287 found 3 days ago
United
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$290 Roundtrip, found 14 hours ago
$290
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $290 found 14 hours ago
Delta
Wed, Aug 12 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Aug 12 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $291 found 3 days ago
Delta
Mon, Aug 10 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 10 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $299 found 3 days ago
United
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$300 Roundtrip, found 14 hours ago
$300
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $300 found 14 hours ago
United
Tue, Aug 11 - Wed, Aug 26
SAT
San Antonio Intl.
RAP
Rapid City Regional
$304 Roundtrip, found 14 hours ago
$304
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 11 from San Antonio Intl. to Rapid City Regional, returning Wed, Aug 26, priced at $304 found 14 hours ago
United
Tue, Aug 18 - Wed, Aug 19
LAS
Harry Reid Intl.
RAP
Rapid City Regional
$308 Roundtrip, found 14 hours ago
$308
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Aug 18 from Harry Reid Intl. to Rapid City Regional, returning Wed, Aug 19, priced at $308 found 14 hours ago
United
Tue, Aug 25 - Sun, Sep 6
SNA
John Wayne
RAP
Rapid City Regional
$326 Roundtrip, found 18 hours ago
$326
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Aug 25 from John Wayne to Rapid City Regional, returning Sun, Sep 6, priced at $326 found 18 hours ago
Delta
Sun, Nov 22 - Fri, Dec 4
PVD
T.F. Green
RAP
Rapid City Regional
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 22 from T.F. Green to Rapid City Regional, returning Fri, Dec 4, priced at $359 found 1 day ago
Delta
Sat, Oct 10 - Tue, Oct 13
PHX
Sky Harbor Intl.
RAP
Rapid City Regional
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 10 from Sky Harbor Intl. to Rapid City Regional, returning Tue, Oct 13, priced at $399 found 1 day ago
American Airlines
Mon, Jun 29 - Fri, Jul 3
GSP
Greenville-Spartanburg Intl.
RAP
Rapid City Regional
$624 Roundtrip, found 3 days ago
$624
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jun 29 from Greenville-Spartanburg Intl. to Rapid City Regional, returning Fri, Jul 3, priced at $624 found 3 days ago

Cheap Flights to Keystone

Fall in love at first flight with your vacation to Keystone by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Keystone on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Keystone, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Keystone

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Keystone with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the RAP airport.

What is the cheapest month to fly to Keystone?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Keystone are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Keystone?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 15 to choose from for your flight to Keystone.

What airport is best to fly into Keystone?

When you’re planning your trip to Keystone, convenience is the name of the game. Luckily, Keystone Rapid City Regional Airport is nearby so you can deplane and get going on checking off everything on your Keystone must-do list.

How much are flights to Keystone?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Keystone on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $255, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Keystone?

The trick to saving a stack of cash on your flight to Keystone? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $255 right now, why wait?

Keystone Flight Information
Destination airport
Rapid City Regional
Destination airport IATA code
RAP
Roundtrip price
$255

Last Minute Hotel Deals in Keystone

Rushmore Express Keystone

Rushmore Express Keystone

2.5 out of 5
320 Cemetery Road Keystone SD
Stay at this hotel in Keystone. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (1,494 reviews)
"The room was larger than I thought it would be. It was beautiful, very clean and comfortable. I would definitely stay here again!"

Reviewed on Jun 27, 2026

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Rushmore Express Keystone
Roosevelt Inn Mount Rushmore

Roosevelt Inn Mount Rushmore

2 out of 5
206 Cemetery Rd Keystone SD
Stay at this hotel in Keystone. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular ...
9.2/10 Wonderful! (1,785 reviews)
"No hot water- Couldn't take showers. The lady that came to our room was rude and said that the water takes a long time to heat up and I explained that it had be running for a long time and it's luke warm at best. The water out of the sink could get hot, the water in the shower wasn't. She put her ..."

Reviewed on Jun 27, 2026

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Roosevelt Inn Mount Rushmore
Powder House Lodge

Powder House Lodge

3.5 out of 5
24125 Hwy 16A Keystone SD
Stay at this lodge in Keystone. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the restaurant and the helpful staff in our reviews. Popular ...
9.2/10 Wonderful! (1,005 reviews)
"Powder House is a delightful place to stay with endless opportunities for fun and exploration within a few miles. We loved our cabin! It was clean and cozy and the front porch was a lovely perk, as was the hammock! Our son got a lot of use out of the pool which was clean and heated. We loved our ..."

Reviewed on Jun 27, 2026

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Powder House Lodge
Baymont by Wyndham Keystone Near Mt. Rushmore

Baymont by Wyndham Keystone Near Mt. Rushmore

2.5 out of 5
106 Highway 16A Keystone SD
Book a stay at this business-friendly hotel in Keystone. Enjoy free WiFi, free parking, and a 24-hour fitness center. Our guests praise the helpful staff and ...
7.8/10 Good! (1,291 reviews)
"Stayed here 6/30/26. The TV worked when we checked in. When we returned to the room later the TV didn’t work. Called the front desk. They came down and unplugged it to reset it. Still didn’t work. We were told they’d give us 1/2 off because they didn’t have another room to move us to. On top of that, ..."

Reviewed on Jun 27, 2026

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Baymont by Wyndham Keystone Near Mt. Rushmore
Magnuson Grand Rushmore View

Magnuson Grand Rushmore View

2 out of 5
522 South Highway 16A Keystone SD
Stay at this hotel in Keystone. Enjoy free WiFi, free parking, and daily housekeeping. Our guests praise the helpful staff in our reviews. Popular attractions ...
7.8/10 Good! (676 reviews)
"Our room was clean. Staff was friendly and helpful. The coffee in the lobby was good. The AC worked great. Good water temp and pressure. The mattress, although older, was quite comfy. There was no conditioner in the shower, so make sure you have your own. The room was a little outdated, but in good ..."

Reviewed on Jun 27, 2026

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Magnuson Grand Rushmore View
Ramada by Wyndham Keystone Near Mt Rushmore

Ramada by Wyndham Keystone Near Mt Rushmore

3 out of 5
115 Swanzey Street Keystone SD
Book a stay at this business-friendly hotel in Keystone. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8/10 Very Good! (1,012 reviews)
"Good and clean. Rooms were quiet and comfy! Hot options for breakfast were appreciated!"

Reviewed on Jun 27, 2026

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Ramada by Wyndham Keystone Near Mt Rushmore
Quality Inn Keystone near Mount Rushmore

Quality Inn Keystone near Mount Rushmore

2.5 out of 5
231 Winter St. Keystone SD
Book a stay at this business-friendly hotel in Keystone. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8/10 Very Good! (1,005 reviews)
"the location of the hotel is great, very close to everything in Keystone. The hotel seem a little old but well maintain; very friendly staff. I will definitely consider staying here again next time visiting Mount Rushmore and surrounding are."

Reviewed on Jun 27, 2026

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Quality Inn Keystone near Mount Rushmore
Comfort Inn & Suites Mt. Rushmore

Comfort Inn & Suites Mt. Rushmore

3 out of 5
Keystone SD
Book a stay at this business-friendly hotel in Keystone. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (1,008 reviews)
"They had the most comfortable hotel bed I've ever been in. The lobby was gorgeous, the room was quiet, and it was close to the boardwalk and Mount Rushmore. My only complaint was that it seemed like there wasn't enough parking on the property."

Reviewed on Jun 28, 2026

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Comfort Inn & Suites Mt. Rushmore
See all 1,443 properties in Keystone
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.