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Cheap flights from Rapid City to San Diego from $253

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to San Diego departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
11:05 am - 12:11 pmRAP-SAN
26h 06m1 stop
Multiple Airlines Logo
7:21 pm - 10:15 amSAN-RAP
13h 54m1 stop
$253Multiple Airlines
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Tue, Dec 23 - Fri, Dec 26
American Airlines Logo
2:08 pm - 10:50 pmRAP-SAN
9h 42m1 stop
American Airlines Logo
1:30 pm - 9:15 pmSAN-RAP
6h 45m1 stop
$259American Airlines
Find Deal
Wed, Jan 28 - Sat, Jan 31
Delta Logo
6:20 am - 4:49 pmRAP-SAN
11h 29m2 stops
Delta Logo
6:20 am - 3:14 pmSAN-RAP
7h 54m1 stop
$264Delta
Find Deal
Wed, Jan 28 - Sat, Jan 31
Delta Logo
10:40 am - 10:00 pmRAP-SAN
12h 20m2 stops
Delta Logo
10:30 pm - 10:05 amSAN-RAP
10h 35m2 stops
$269Delta
Find Deal
Wed, Jan 28 - Sat, Jan 31
Multiple Airlines Logo
11:05 am - 7:15 pmRAP-SAN
33h 10m2 stops
Multiple Airlines Logo
7:21 pm - 10:15 amSAN-RAP
13h 54m1 stop
$275Multiple Airlines
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Tue, Dec 23 - Fri, Dec 26
United Airlines Logo
12:27 pm - 5:29 pmRAP-SAN
6h 02m1 stop
United Airlines Logo
11:20 am - 6:43 pmSAN-RAP
6h 23m1 stop
$289United Airlines
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Wed, Nov 5 - Sun, Nov 9
Delta Logo
6:05 am - 3:19 pmRAP-SAN
10h 14m2 stops
Delta Logo
6:30 am - 2:11 pmSAN-RAP
6h 41m1 stop
$294Delta
Find Deal
Wed, Nov 5 - Sun, Nov 9
United Airlines Logo
2:52 pm - 8:51 pmRAP-SAN
6h 59m1 stop
United Airlines Logo
6:30 am - 12:37 pmSAN-RAP
5h 07m1 stop
$339United Airlines
Find Deal
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
7:00 am - 12:57 pmRAP-SAN
6h 57m1 stop
United Airlines Logo
10:45 am - 8:33 pmSAN-RAP
8h 48m2 stops
$344United Airlines
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Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
3:35 pm - 8:47 pmRAP-SAN
6h 12m1 stop
United Airlines Logo
12:42 pm - 8:49 pmSAN-RAP
7h 07m1 stop
$348United Airlines
Find Deal
Mon, Dec 22 - Thu, Dec 25

United Airlines flights from Rapid City to San Diego

Our best United Airlines deals on Rapid City to San Diego flight tickets
United Airlines
Nov 5
RAP12:27 pmRapid City
6h 02m
1 stop
SAN5:29 pmSan Diego
Nov 9
SAN11:20 amSan Diego
6h 23m
1 stop
RAP6:43 pmRapid City
$289
Find similar
United Airlines
Oct 30
RAP5:15 amRapid City
4h 59m
1 stop
SAN9:14 amSan Diego
Nov 3
SAN4:10 pmSan Diego
4h 49m
1 stop
RAP9:59 pmRapid City
$329
Find similar
United Airlines
Oct 30
RAP7:10 amRapid City
8h 45m
2 stops
SAN2:55 pmSan Diego
Nov 3
SAN6:45 amSan Diego
4h 55m
1 stop
RAP12:40 pmRapid City
$334
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American Airlines flights from Rapid City to San Diego

Our best American Airlines deals on Rapid City to San Diego flight tickets
American Airlines
Jan 28
RAP2:08 pmRapid City
9h 42m
1 stop
SAN10:50 pmSan Diego
Jan 31
SAN1:30 pmSan Diego
6h 45m
1 stop
RAP9:15 pmRapid City
$259
Find similar
American Airlines
Dec 23
RAP5:30 amRapid City
14h 07m
2 stops
SAN6:37 pmSan Diego
Dec 25
SAN6:15 amSan Diego
14h 05m
2 stops
RAP9:20 pmRapid City
$746
Find similar
American Airlines
Dec 17
RAP5:15 amRapid City
11h 04m
2 stops
SAN3:19 pmSan Diego
Dec 30
SAN9:50 amSan Diego
10h 30m
2 stops
RAP9:20 pmRapid City
$846
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to San Diego 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Rapid City to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 12/23

11:05 am-12:11 pm

1 stop26h 06m

San Diego

Fri 12/26

7:21 pm-10:15 am

1 stop13h 54m

$253

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 1/28

2:08 pm-10:50 pm

1 stop9h 42m

San Diego

Sat 1/31

1:30 pm-9:15 pm

1 stop6h 45m

$259

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 1/28

6:20 am-4:49 pm

2 stops11h 29m

San Diego

Sat 1/31

6:20 am-3:14 pm

1 stop7h 54m

$264

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 1/28

10:40 am-10:00 pm

2 stops12h 20m

San Diego

Sat 1/31

10:30 pm-10:05 am

2 stops10h 35m

$269

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 12/23

11:05 am-7:15 pm

2 stops33h 10m

San Diego

Fri 12/26

7:21 pm-10:15 am

1 stop13h 54m

$275

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 11/5

12:27 pm-5:29 pm

1 stop6h 02m

San Diego

Sun 11/9

11:20 am-6:43 pm

1 stop6h 23m

$289

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 11/5

6:05 am-3:19 pm

2 stops10h 14m

San Diego

Sun 11/9

6:30 am-2:11 pm

1 stop6h 41m

$294

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 3/3

2:52 pm-8:51 pm

1 stop6h 59m

San Diego

Sat 3/7

6:30 am-12:37 pm

1 stop5h 07m

$339

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 3/3

7:00 am-12:57 pm

1 stop6h 57m

San Diego

Sat 3/7

10:45 am-8:33 pm

2 stops8h 48m

$344

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Mon 12/22

3:35 pm-8:47 pm

1 stop6h 12m

San Diego

Thu 12/25

12:42 pm-8:49 pm

1 stop7h 07m

$348

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Diego from

How to get the cheapest flight ticket from Rapid City to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rapid City and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of June, then departing from Rapid City during the month March is also very affordable. Most momondo users find prices during this month for around $293.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Rapid City to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $378. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $541. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $394. Flights at noon are often more expensive with an average ticket price of $561.

How have Rapid City to San Diego flight prices changed over time?

As of October 2025, prices for Rapid City to San Diego flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Rapid City to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to San Diego (RAP to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to San Diego

Direct flights

None
There are no direct flights from Rapid City to San Diego. There are no popular flight routes from Rapid City to San Diego.
Search flight deals

  • How far is Rapid City to San Diego by plane?

    A flight from Rapid City to San Diego will travel around 1085.0 mi. Flights usually cover this in 5h 09m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Rapid City Airport to San Diego Airport?

    Prices for flights from Rapid City Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Rapid City Airport to San Diego Airport?

  • How old do you have to be to fly from Rapid City Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Rapid City to San Diego?

Best airlines flying from Rapid City to San Diego

Compare and see reviews for airlines that fly from Rapid City to San Diego with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,982 reviews
Search Delta flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to San Diego for you.

Can I find flights from Rapid City to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Rapid City to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Rapid City to San Diego?

Once all potential Rapid City to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Rapid City to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Rapid City and alert you when they change.

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