$159 Cheap United flights from San Francisco to Rapid City (SFO to RAP)

Find The Best Day To Fly from San Francisco to Rapid City

Amazing United SFO to RAP Flight Deals

The cheapest flights to Rapid City Regional found within the past 7 days were $259 round trip and $159 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Sep 23 - Sat, Oct 4
SFO
San Francisco
RAP
Rapid City
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 23 from San Francisco to Rapid City, returning Sat, Oct 4, priced at $259 found 5 days ago
Tue, Sep 23 - Thu, Oct 2
SFO
San Francisco
RAP
Rapid City
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 23 from San Francisco to Rapid City, returning Thu, Oct 2, priced at $271 found 6 days ago
Tue, Sep 23 - Sat, Oct 4
SFO
San Francisco
RAP
Rapid City
$323 Roundtrip, found 5 days ago
$323
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 23 from San Francisco to Rapid City, returning Sat, Oct 4, priced at $323 found 5 days ago
Mon, Aug 11 - Sun, Aug 17
SFO
San Francisco
RAP
Rapid City
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 11 from San Francisco to Rapid City, returning Sun, Aug 17, priced at $329 found 4 days ago
Wed, Aug 6 - Fri, Aug 8
SFO
San Francisco
RAP
Rapid City
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 6 from San Francisco to Rapid City, returning Fri, Aug 8, priced at $348 found 2 days ago

RAP From SFO Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
GrandStay Residential Suites - Rapid City

GrandStay Residential Suites - Rapid City

2.5 out of 5
per person
Oct 12 - Oct 16
found 1 day ago
Roundtrip non-stop flight included
San Francisco (SFO) to Rapid City (RAP)
The Brookside Motel

The Brookside Motel

2.5 out of 5
per person
Oct 12 - Oct 16
found 1 day ago
Roundtrip non-stop flight included
San Francisco (SFO) to Rapid City (RAP)
McGregor and Main Luxury Lofts

McGregor and Main Luxury Lofts

3 out of 5
per person
Oct 12 - Oct 16
found 1 day ago
Roundtrip non-stop flight included
San Francisco (SFO) to Rapid City (RAP)
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Frequently asked questions

Can I catch a flight from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP) right now?
For information on any present Rapid City Regional Airport (RAP) quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught out.
What terminal is United Airlines at San Francisco Airport?
If you're booked with United Airlines from San Francisco Intl. Airport (SFO) to Rapid City Regional Airport (RAP), you might be able to find out the terminal information when you're issued with your ticket. If not, get in touch with your airline.
Are there United Airlines non-stop flights from SFO to RAP?
If you're traveling with United Airlines from SFO to RAP, you'll need to make a stopover. While waiting for your connection, take the opportunity to grab a bite to eat or explore the airport shops.
How long is a United Airlines flight from SFO to RAP?
Bring that novel you haven't had time to read. A flight from San Francisco Airport to Rapid City Regional Airport with United Airlines takes roughly 4 hours and 4 minutes. You'll have plenty of time to completely lose yourself in the absorbing storyline.
How many direct and indirect flights does United Airlines fly from SFO to RAP?
United Airlines currently offers about 4 flights every day from SFO to Rapid City Regional Airport.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Rapid City Regional Airport (RAP), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Travelers ❤️ these 🏨 after their flight to Rapid City

Baymont by Wyndham Rapid City

Baymont by Wyndham Rapid City

2.5 out of 5
4040 Cheyenne Blvd, Rapid City, SD
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public ...
8/10 Very Good! (1,036 reviews)
"Good location"

Reviewed on Jul 16, 2025

Baymont by Wyndham Rapid City
La Quinta Inn and Suites by Wyndham at WaTiki Waterpark

La Quinta Inn and Suites by Wyndham at WaTiki Waterpark

3 out of 5
1416 North Elk Vale Road, Rapid City, SD
Free water park access and a lazy river are featured at this smoke-free hotel. Bring the family and enjoy the children's pool, waterslide, and arcade/game room. ...
8.6/10 Excellent! (1,114 reviews)
"It was amazing the kids really enjoyed themselves"

Reviewed on Jul 15, 2025

La Quinta Inn and Suites by Wyndham at WaTiki Waterpark
Sleep Inn And Suites Rapid City

Sleep Inn And Suites Rapid City

2.5 out of 5
4031 Cheyenne Blvd, Rapid City, SD
This hotel features an indoor pool and a gym. Business travelers can take advantage of the free WiFi in public areas. Enjoy the hot tub and free perks like buffet ...
8.6/10 Excellent! (1,474 reviews)
"I like the location, the friendly staff. And the fresh hot cookies they had in the evening."

Reviewed on Jul 13, 2025

Sleep Inn And Suites Rapid City
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.