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Cheap flights from Rapid City to San Diego from $138

This is the cheapest one-way 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 5/28. 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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0 bags

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Find the cheapest flights from Rapid City to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:44 am - 6:18 pm
RAP
-
SAN
7h 34m
1 stop
American Airlines Logo
6:20 am - 12:10 pm
SAN
-
RAP
4h 50m
1 stop
$319American Airlines
Fri, Jul 3 - Tue, Jul 7
Multiple Airlines Logo
9:50 pm - 7:31 pm
RAP
-
SAN
22h 41m
1 stop
Multiple Airlines Logo
4:17 pm - 9:08 pm
SAN
-
RAP
27h 51m
1 stop
$321Multiple Airlines
Thu, Jul 16 - Thu, Jul 30
Delta Logo
4:30 pm - 11:40 pm
RAP
-
SAN
8h 10m
1 stop
Delta Logo
10:17 pm - 10:01 am
SAN
-
RAP
10h 44m
2 stops
$324Delta
Fri, Aug 7 - Mon, Aug 10
Delta Logo
4:30 pm - 11:50 pm
RAP
-
SAN
8h 20m
2 stops
Delta Logo
7:58 pm - 10:01 am
SAN
-
RAP
13h 03m
2 stops
$329Delta
Fri, Aug 7 - Mon, Aug 10
Delta Logo
11:00 am - 10:38 pm
RAP
-
SAN
12h 38m
2 stops
Delta Logo
3:19 pm - 10:26 pm
SAN
-
RAP
6h 07m
1 stop
$344Delta
Tue, Jun 30 - Tue, Jul 14
Delta Logo
6:48 am - 7:16 pm
RAP
-
SAN
13h 28m
2 stops
Delta Logo
10:54 am - 10:26 pm
SAN
-
RAP
10h 32m
2 stops
$349Delta
Tue, Jun 30 - Tue, Jul 14
Multiple Airlines Logo
9:50 pm - 11:58 pm
RAP
-
SAN
27h 08m
2 stops
Multiple Airlines Logo
4:17 pm - 9:08 pm
SAN
-
RAP
27h 51m
1 stop
$353Multiple Airlines
Thu, Jul 16 - Thu, Jul 30
Delta Logo
6:48 am - 3:56 pm
RAP
-
SAN
10h 08m
2 stops
Delta Logo
7:58 pm - 10:01 am
SAN
-
RAP
13h 03m
2 stops
$364Delta
Fri, Aug 14 - Sun, Aug 23
American Airlines Logo
11:44 am - 6:18 pm
RAP
-
SAN
7h 34m
1 stop
American Airlines Logo
6:20 am - 12:10 pm
SAN
-
RAP
4h 50m
1 stop
$371American Airlines
Fri, Jul 17 - Mon, Jul 20
American Airlines Logo
11:45 am - 6:18 pm
RAP
-
SAN
7h 33m
1 stop
American Airlines Logo
12:04 pm - 9:35 pm
SAN
-
RAP
8h 31m
1 stop
$380American Airlines
Tue, Sep 1 - Tue, Sep 8

American Airlines flights from Rapid City to San Diego

Our best American Airlines deals on Rapid City to San Diego flight tickets
American Airlines
Jul 17
RAP11:44 amRapid City
7h 34m
1 stop
SAN6:18 pmSan Diego
Jul 20
SAN6:20 amSan Diego
4h 50m
1 stop
RAP12:10 pmRapid City
$371
American Airlines
Sep 1
RAP11:45 amRapid City
7h 33m
1 stop
SAN6:18 pmSan Diego
Sep 8
SAN12:04 pmSan Diego
8h 31m
1 stop
RAP9:35 pmRapid City
$380
American Airlines
Sep 1
RAP3:23 pmRapid City
9h 11m
1 stop
SAN11:34 pmSan Diego
Sep 8
SAN12:04 pmSan Diego
8h 31m
1 stop
RAP9:35 pmRapid City
$400

United Airlines flights from Rapid City to San Diego

Our best United Airlines deals on Rapid City to San Diego flight tickets
United Airlines
Jun 30
RAP11:20 amRapid City
7h 00m
1 stop
SAN5:20 pmSan Diego
Jul 14
SAN6:35 amSan Diego
4h 54m
1 stop
RAP12:29 pmRapid City
$319
United Airlines
Jun 23
RAP5:00 amRapid City
5h 05m
1 stop
SAN9:05 amSan Diego
Jun 30
SAN6:35 amSan Diego
4h 54m
1 stop
RAP12:29 pmRapid City
$391
United Airlines
Aug 11
RAP8:55 amRapid City
6h 55m
1 stop
SAN2:50 pmSan Diego
Aug 14
SAN8:45 amSan Diego
6h 21m
1 stop
RAP4:06 pmRapid City
$392

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 May 20, 2026.
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

Cheapest round-trip
Quickest round-trip

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 7/3

11:44 am-6:18 pm

1 stop7h 34m

San Diego

Tue 7/7

6:20 am-12:10 pm

1 stop4h 50m

$319

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 7/16

9:50 pm-7:31 pm

1 stop22h 41m

San Diego

Thu 7/30

4:17 pm-9:08 pm

1 stop27h 51m

$321

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 8/7

4:30 pm-11:40 pm

1 stop8h 10m

San Diego

Mon 8/10

10:17 pm-10:01 am

2 stops10h 44m

$324

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 8/7

4:30 pm-11:50 pm

2 stops8h 20m

San Diego

Mon 8/10

7:58 pm-10:01 am

2 stops13h 03m

$329

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 6/30

11:00 am-10:38 pm

2 stops12h 38m

San Diego

Tue 7/14

3:19 pm-10:26 pm

1 stop6h 07m

$344

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 6/30

6:48 am-7:16 pm

2 stops13h 28m

San Diego

Tue 7/14

10:54 am-10:26 pm

2 stops10h 32m

$349

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 7/16

9:50 pm-11:58 pm

2 stops27h 08m

San Diego

Thu 7/30

4:17 pm-9:08 pm

1 stop27h 51m

$353

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 8/14

6:48 am-3:56 pm

2 stops10h 08m

San Diego

Sun 8/23

7:58 pm-10:01 am

2 stops13h 03m

$364

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 7/17

11:44 am-6:18 pm

1 stop7h 34m

San Diego

Mon 7/20

6:20 am-12:10 pm

1 stop4h 50m

$371

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 9/1

11:45 am-6:18 pm

1 stop7h 33m

San Diego

Tue 9/8

12:04 pm-9:35 pm

1 stop8h 31m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January, then departing from Rapid City during the month October is also very affordable. Most momondo users find prices during this month for around $368.

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

Fastest flight time

5h 24m

Direct flights

None
The fastest flight from Rapid City to San Diego takes 5h 24m
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

Frequently asked questions about flying from Rapid City to San Diego

  • 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 24m, 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 $298Free CancellationRating
7.4
9,736 reviews
Search United Airlines flights
American AirlinesPriceFrom $362Free CancellationRating
7.1
11,642 reviews
Search American Airlines 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
Poway
San Ysidro
La Mesa
Borrego Springs
Lemon Grove
Imperial Beach
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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