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$250+ Cheap flights from Rapid City to San Francisco (RAP - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SFO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$289
(United Airlines)

One-way from

$250
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$363
From Rapid City to San Francisco
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One-way flight from Rapid City to San Francisco
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/15:30 amRAP - SFO
1 stop6h 47mUnited Airlines
Sun 10/55:05 amSFO - RAP
1 stop4h 52mUnited Airlines
Deal found 9/15$289
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:00 pmRAP - SFO
1 stop7h 15mAmerican Airlines
Sat 10/49:07 amSFO - RAP
2 stops10h 46mAmerican Airlines
Deal found 9/15$294
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:05 amRAP - SFO
1 stop8h 25mDelta
Tue 11/186:00 amSFO - RAP
1 stop8h 45mDelta
Deal found 9/15$309
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 9/235:59 pmRAP - SFO
1 stop6h 11mUnited Airlines
Tue 9/305:05 amSFO - RAP
1 stop4h 52mUnited Airlines
Deal found 9/16$329
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/211:15 amRAP - SFO
1 stop7h 21mUnited Airlines
Mon 10/65:05 amSFO - RAP
1 stop6h 32mUnited Airlines
Deal found 9/17$333
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:00 pmRAP - SFO
1 stop7h 15mAmerican Airlines
Tue 9/306:45 amSFO - RAP
2 stops13h 08mAmerican Airlines
Deal found 9/16$334
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:58 pmRAP - SFO
1 stop7h 31mAmerican Airlines
Wed 10/2212:16 pmSFO - RAP
1 stop8h 03mAmerican Airlines
Deal found 9/15$349
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:27 amRAP - SFO
1 stop8h 18mDelta
Sat 10/412:45 amSFO - RAP
1 stop8h 27mDelta
Deal found 9/16$374

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 September 17, 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

Thu 10/2

11:15 am-5:36 pm

1 stop7h 21m

San Francisco

Sun 10/5

5:05 am-10:57 am

1 stop4h 52m

$289

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Tue 9/30

5:50 pm-10:57 pm

1 stop6h 07m

San Francisco

Sat 10/4

5:05 am-12:37 pm

1 stop6h 32m

$289

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Wed 10/1

5:30 am-11:17 am

1 stop6h 47m

San Francisco

Sun 10/5

5:05 am-10:57 am

1 stop4h 52m

$289

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Tue 9/30

5:00 pm-11:15 pm

1 stop7h 15m

San Francisco

Sat 10/4

9:07 am-8:53 pm

2 stops10h 46m

$294

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Tue 3/3

6:20 am-1:25 pm

1 stop8h 05m

San Francisco

Fri 3/6

12:40 am-10:05 am

1 stop8h 25m

$309

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Mon 11/3

6:05 am-1:30 pm

1 stop8h 25m

San Francisco

Tue 11/18

6:00 am-3:45 pm

1 stop8h 45m

$309

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Wed 10/8

7:00 am-11:17 am

1 stop5h 17m

$250

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Thu 10/9

7:00 am-11:17 am

1 stop5h 17m

$336

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Fri 10/10

7:00 am-11:17 am

1 stop5h 17m

$369

Rapid CitySan Francisco

RAP - SFO

RAPSFO

Rapid City

Fri 9/26

11:09 am-9:50 pm

1 stop11h 41m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, January is the cheapest month in which you can book a flight from Rapid City to San Francisco (average of $276). Flying from Rapid City to San Francisco in June is currently the most expensive (average of $357). 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 September 17, 2025.

It’s typically best to fly out from Rapid City to San Francisco in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Rapid City to San Francisco?

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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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 7h 15m. 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 $179 on this airline. An additional option worth looking into is United Airlines, starting at $259. Delta is currently priced 55% 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, January is the cheapest month in which you can book a flight from Rapid City to San Francisco (average of $276). Flying from Rapid City to San Francisco in June is currently the most expensive (average of $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

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Alternative routes for Rapid City to San Francisco

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$414FlexibilityNo cancel feeOn-time69%

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