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$304+ Cheap flights from Rapid City to San Francisco (RAP - SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SFO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Rapid City to San Francisco

Cheapest flights from Rapid City to San Francisco
Explore the most affordable flight options available from Rapid City to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 amRAP - SFO
1 stop7h 32mUnited Airlines
Wed 12/312:29 pmSFO - RAP
1 stop6h 30mUnited Airlines
Deal found 12/11$354
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:45 amRAP - SFO
1 stop5h 32mUnited Airlines
Wed 12/316:30 amSFO - RAP
1 stop5h 16mUnited Airlines
Deal found 12/11$389
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:35 pmRAP - SFO
1 stop7h 05mUnited Airlines
Tue 12/305:00 amSFO - RAP
1 stop6h 46mUnited Airlines
Deal found 12/11$434
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 amRAP - SFO
1 stop5h 28mUnited Airlines
Sun 12/285:00 amSFO - RAP
1 stop6h 46mUnited Airlines
Deal found 12/9$450
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:45 amRAP - SFO
1 stop5h 32mUnited Airlines
Mon 12/299:05 pmSFO - RAP
2 stops14h 41mUnited Airlines
Deal found 12/10$513
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:35 pmRAP - SFO
1 stop5h 19mUnited Airlines
Tue 12/3010:35 amSFO - RAP
2 stops10h 24mUnited Airlines
Deal found 12/11$523
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:15 amRAP - SFO
1 stop5h 28mUnited Airlines
Wed 12/312:29 pmSFO - RAP
1 stop5h 20mUnited Airlines
Deal found 12/11$525
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:05 pmRAP - SFO
1 stop6h 00mUnited Airlines
Wed 12/317:25 amSFO - RAP
2 stops10h 47mUnited Airlines
Deal found 12/11$538

Find flight deals from Rapid City to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$479
Provider with most accurate pricing for Rapid City-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-San Francisco flights.
Search Deals
From Rapid City to San Francisco
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Rapid City to San Francisco that are best for you.

Fly from

Rapid City

Fly to

San Francisco

Route

Depart

Return

Price

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Wed 3/4

5:36 am-5:47 pm

2 stops13h 11m

San Francisco

Wed 3/11

6:00 am-1:55 pm

1 stop6h 55m

$304

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Sat 1/10

10:45 am-3:27 pm

1 stop5h 42m

San Francisco

Tue 1/13

6:25 am-1:12 pm

1 stop5h 47m

$339

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Sun 3/1

5:42 pm-7:48 am

1 stop15h 06m

San Francisco

Tue 3/10

9:35 pm-5:05 pm

2 stops42h 30m

$348

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Thu 3/5

2:22 pm-10:04 pm

1 stop8h 42m

San Francisco

Wed 3/11

6:00 am-1:55 pm

1 stop6h 55m

$353

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Thu 3/5

4:26 pm-11:47 pm

1 stop8h 21m

San Francisco

Wed 3/11

10:29 am-10:26 pm

2 stops10h 57m

$363

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Thu 12/25

8:45 am-1:17 pm

1 stop5h 32m

San Francisco

Wed 12/31

6:30 am-12:46 pm

1 stop5h 16m

$389

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Thu 12/25

8:45 am-3:57 pm

1 stop8h 12m

San Francisco

Tue 12/30

5:00 am-12:46 pm

1 stop6h 46m

$389

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Fri 1/2

5:15 am-9:43 am

1 stop5h 28m

$379

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Wed 12/31

5:15 am-9:43 am

1 stop5h 28m

$447

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Tue 12/30

5:15 am-11:47 am

1 stop7h 32m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 12 results
1
2

Compare providers for flights from Rapid City to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to San Francisco in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rapid City-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to San Francisco

What is the cheapest month to book a flight from Rapid City to San Francisco?

Currently, September is the cheapest month in which you can book a flight from Rapid City to San Francisco (average of $182). Flying from Rapid City to San Francisco in June is currently the most expensive (average of $588). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RAP to SFO?

Find hourly flight availability from Rapid City to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Rapid City to San Francisco in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 12, 2025.
See what other customers who have flown with Delta and United Airlines from Rapid City to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Rapid City to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rapid City to San Francisco?

    Departing from Rapid City to San Francisco will take you 5h 42m. The distance from Rapid City to San Francisco is about 1099 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to San Francisco round-trip?

    Our cheapest airline available from Rapid City to San Francisco is Delta. Our recent data shows that you can find tickets from as low as $154 on this airline. An additional option worth looking into is United Airlines, starting at $260. Delta is currently priced 62% below the average price you’ll pay for this route.

  • Can I find deals for flights from Rapid City to San Francisco that include hotel bookings?

    Yes. In addition to deals on Rapid City to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to San Francisco.

  • Can I find deals for business class flights from Rapid City to San Francisco?

    Yes. Cheapflights offers flight deals from Rapid City to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Rapid City to San Francisco (average of $182). Flying from Rapid City to San Francisco in June is currently the most expensive (average of $588). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
Milpitas

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Top 2 airlines flying from Rapid City to San Francisco

Discover the top 2 airlines that operate flights from Rapid City to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$260Average$364FlexibilityNo cancel feeOn-time69%

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