$172 Cheap Flights from San Francisco (SFO) to Rapid City (RAP)

View $172 flight on Mon, Aug 10, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)

Cheap Flights from San Francisco to Rapid City (SFO-RAP)

Prices were available within the past 7 days and start at $172 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 4 - Sun, Dec 7
SFO
San Francisco
RAP
Rapid City
$259 Roundtrip, found 13 hours ago
$259
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Dec 4 from San Francisco to Rapid City, returning Sun, Dec 7, priced at $259 found 13 hours ago
Delta
Thu, Feb 26 - Sat, Feb 28
SFO
San Francisco
RAP
Rapid City
$264 Roundtrip, found 2 days ago
$264
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Feb 26 from San Francisco to Rapid City, returning Sat, Feb 28, priced at $264 found 2 days ago
Delta
Tue, Apr 28 - Wed, May 13
SFO
San Francisco
RAP
Rapid City
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 28 from San Francisco to Rapid City, returning Wed, May 13, priced at $269 found 4 days ago
Delta
Tue, Apr 7 - Tue, Apr 14
SFO
San Francisco
RAP
Rapid City
$274 Roundtrip, found 5 days ago
$274
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 7 from San Francisco to Rapid City, returning Tue, Apr 14, priced at $274 found 5 days ago
Delta
Tue, Apr 14 - Tue, Apr 21
SFO
San Francisco
RAP
Rapid City
$279 Roundtrip, found 5 days ago
$279
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Apr 14 from San Francisco to Rapid City, returning Tue, Apr 21, priced at $279 found 5 days ago
Delta
Sat, Nov 15 - Sat, Nov 22
SFO
San Francisco
RAP
Rapid City
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 15 from San Francisco to Rapid City, returning Sat, Nov 22, priced at $284 found 1 day ago
United
Wed, Apr 15 - Wed, Apr 22
SFO
San Francisco
RAP
Rapid City
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from San Francisco to Rapid City, returning Wed, Apr 22, priced at $285 found 5 days ago
United
Thu, Dec 4 - Sun, Dec 7
SFO
San Francisco
RAP
Rapid City
$287 Roundtrip, found 13 hours ago
$287
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Dec 4 from San Francisco to Rapid City, returning Sun, Dec 7, priced at $287 found 13 hours ago
United
Sat, Feb 14 - Mon, Feb 16
SFO
San Francisco
RAP
Rapid City
$288 Roundtrip, found 3 days ago
$288
Roundtrip
found 3 days ago
Select United flight, departing Sat, Feb 14 from San Francisco to Rapid City, returning Mon, Feb 16, priced at $288 found 3 days ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
SFO
San Francisco
RAP
Rapid City
$353 Roundtrip, found 13 hours ago
$353
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Dec 4 from San Francisco to Rapid City, returning Sun, Dec 7, priced at $353 found 13 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Rapid City (RAP)

September is typically the cheapest month to fly

From $258 - $447 per traveler.

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 $284
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $284

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP) cost?
Grab a cheap one-way flight from $172 or cheap return flight from $259 from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)?
December is the least expensive month to fly from SFO to RAP. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SFO to RAP. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)?
You'll need to catch a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP). Direct flights don't operate daily on this route. However, simply 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 SFO to RAP?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SFO to RAP?
United Airlines has the strongest track record for on-time direct flights from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP), with an on-time rating of 81%. Use the Expedia App to see your journey status before you take off and get notified of any trip changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP) route, travel before 3 PM. Flights after this time have a 22% higher chance of being 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 San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP) last-minute?
Holding off until just before your departure to book a flight from SFO to RAP often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a SFO to RAP flight and hotel package?
Securing a SFO to RAP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP)?
If you booked your SFO to RAP flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
1100 mi

Book with confidence

San Francisco to Rapid City Flights

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

 

The best time to book a flight from San Francisco to Rapid City

Sunday is one of the best days to book for cheap flights from San Francisco 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 San Francisco 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 San Francisco to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $172 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 San Francisco 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 San Francisco 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.

 

San Francisco to Rapid City Flights

Explore a world of travel with Expedia

*Available to One Key members.