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Rapid City

$97+ Cheap flights from San Diego to Rapid City (SAN - RAP)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — RAP
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Rapid City are usually found in February or April, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from San Diego to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Rapid City (RAP). 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 August 14, 2025.

Round-trip from

$309
(Delta)

One-way from

$97
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$386
From San Diego to Rapid City
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One-way flight from San Diego to Rapid City
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Highest demand for flights based on searches. 15% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Diego to Rapid City

Cheapest flights from San Diego to Rapid City
Explore the most affordable flight options available from San Diego to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 10/246:25 amSAN - RAP
1 stop8h 25mDelta
Mon 11/36:05 amRAP - SAN
1 stop7h 50mDelta
Deal found 8/14$309
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:40 amSAN - RAP
1 stop7h 10mDelta
Mon 10/132:26 pmRAP - SAN
1 stop7h 08mDelta
Deal found 8/11$324
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/172:24 pmSAN - RAP
1 stop6h 26mAmerican Airlines
Sun 10/194:28 pmRAP - SAN
1 stop6h 13mAmerican Airlines
Deal found 8/13$349
This Delta deal was found by Cheapflights users on 8/13. 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 10/226:25 amSAN - RAP
1 stop8h 25mDelta
Thu 10/234:34 pmRAP - SAN
1 stop7h 53mDelta
Deal found 8/13$369
This Delta deal was found by Cheapflights users on 8/12. 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.
Thu 8/146:20 amSAN - RAP
1 stop6h 24mDelta
Tue 8/192:25 pmRAP - SAN
1 stop7h 19mDelta
Deal found 8/12$379
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 8/156:20 amSAN - RAP
1 stop6h 24mDelta
Tue 8/196:20 amRAP - SAN
1 stop7h 28mDelta
Deal found 8/14$389
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/126:32 pmSAN - RAP
1 stop26h 27mUnited Airlines
Mon 9/155:59 pmRAP - SAN
1 stop5h 15mUnited Airlines
Deal found 8/13$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Rapid City 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 August 14, 2025.
Use the filters below to find and compare flights from San Diego to Rapid City that are best for you.

Fly from

San Diego

Fly to

Rapid City

Route

Depart

Return

Price

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Fri 10/24

6:25 am-3:50 pm

1 stop8h 25m

Rapid City

Mon 11/3

6:05 am-12:55 pm

1 stop7h 50m

$309

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Fri 10/17

2:24 pm-9:50 pm

1 stop6h 26m

Rapid City

Sun 10/19

4:28 pm-9:41 pm

1 stop6h 13m

$349

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Wed 10/22

6:25 am-3:50 pm

1 stop8h 25m

Rapid City

Thu 10/23

4:34 pm-11:27 pm

1 stop7h 53m

$369

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Fri 9/12

6:32 pm-9:59 pm

1 stop26h 27m

Rapid City

Mon 9/15

5:59 pm-10:14 pm

1 stop5h 15m

$392

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Sat 8/30

4:04 pm-9:59 pm

1 stop4h 55m

Rapid City

Sat 9/20

5:59 pm-8:16 pm

2 stops27h 17m

$412

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Wed 10/15

7:47 pm-5:08 pm

1 stop20h 21m

$97

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Thu 8/21

11:25 am-7:40 pm

1 stop7h 15m

$125

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Wed 10/15

6:15 am-4:00 pm

2 stops8h 45m

$199

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Tue 9/16

6:15 am-1:46 pm

1 stop6h 31m

$220

San DiegoRapid City

SAN - RAP

SANRAP

San Diego

Tue 9/16

9:02 am-4:02 pm

1 stop6h 00m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 13 results
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Best time to book a flight from San Diego to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from San Diego 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 San Diego to Rapid City

How far ahead should I book a flight from San Diego to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Rapid City. Price data was last updated on August 8, 2025.

The price you pay for your flight from San Diego to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Rapid City (average of $348). Flying from San Diego to Rapid City in June is currently the most expensive (average of $502). 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 SAN to RAP?

Find hourly flight availability from San Diego to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from San Diego to Rapid City, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the morning.

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

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Diego to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

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

    Delta, at $258, was found to be the cheapest airline from San Diego to Rapid City.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Delta is 41% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Rapid City 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 San Diego to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Rapid City (average of $348). Flying from San Diego to Rapid City in June is currently the most expensive (average of $502). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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Top 3 airlines flying from San Diego to Rapid City

Discover the top 3 airlines that operate flights from San Diego to Rapid City. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$434FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$388FlexibilityNo cancel feeOn-time71%

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