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Cheap flights from Rapid City to San Diego from $124

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 9/17. 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

United Airlines Logo
5:59 pm - 10:14 pmRAP-SAN
5h 15m1 stop
United Airlines Logo
6:53 am - 12:37 pmSAN-RAP
4h 44m1 stop
$259United Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
United Airlines Logo
7:00 am - 1:40 pmRAP-SAN
7h 40m2 stops
United Airlines Logo
6:53 am - 12:37 pmSAN-RAP
4h 44m1 stop
$264United Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
United Airlines Logo
3:19 pm - 8:25 pmRAP-SAN
6h 06m1 stop
United Airlines Logo
2:21 pm - 9:59 pmSAN-RAP
6h 38m2 stops
$294United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
United Airlines Logo
3:19 pm - 10:28 pmRAP-SAN
8h 09m2 stops
United Airlines Logo
2:21 pm - 9:59 pmSAN-RAP
6h 38m2 stops
$299United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
Delta Logo
6:27 am - 12:46 pmRAP-SAN
7h 19m1 stop
Delta Logo
6:15 am - 3:43 pmSAN-RAP
8h 28m1 stop
$364Delta
Find Deal
Thu, Sep 11 - Sun, Sep 14
Delta Logo
6:27 am - 12:46 pmRAP-SAN
7h 19m1 stop
Delta Logo
6:15 am - 1:46 pmSAN-RAP
6h 31m1 stop
$374Delta
Find Deal
Thu, Sep 11 - Sun, Sep 14
Delta Logo
6:25 am - 6:05 pmRAP-SAN
12h 40m2 stops
Delta Logo
11:23 am - 10:30 pmSAN-RAP
10h 07m2 stops
$455Delta
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
6:00 am - 3:21 pmRAP-SAN
10h 21m2 stops
American Airlines Logo
9:45 am - 8:53 pmSAN-RAP
10h 08m2 stops
$642American Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
American Airlines Logo
4:58 pm - 10:24 pmRAP-SAN
6h 26m1 stop
American Airlines Logo
6:15 am - 3:58 pmSAN-RAP
8h 43m1 stop
$1,261American Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
American Airlines Logo
5:32 am - 3:30 pmRAP-SAN
10h 58m2 stops
American Airlines Logo
12:40 pm - 9:50 pmSAN-RAP
8h 10m2 stops
$2,341American Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19

Delta flights from Rapid City to San Diego

Our best Delta deals on Rapid City to San Diego flight tickets
Delta
Sep 11
RAP6:27 amRapid City
7h 19m
1 stop
SAN12:46 pmSan Diego
Sep 14
SAN6:15 amSan Diego
8h 28m
1 stop
RAP3:43 pmRapid City
$364
Find similar
Delta
Sep 11
RAP6:27 amRapid City
7h 19m
1 stop
SAN12:46 pmSan Diego
Sep 14
SAN6:15 amSan Diego
6h 31m
1 stop
RAP1:46 pmRapid City
$374
Find similar
Delta
Sep 9
RAP6:25 amRapid City
12h 40m
2 stops
SAN6:05 pmSan Diego
Sep 13
SAN11:23 amSan Diego
10h 07m
2 stops
RAP10:30 pmRapid City
$455
Find similar

American Airlines flights from Rapid City to San Diego

Our best American Airlines deals on Rapid City to San Diego flight tickets
American Airlines
Sep 22
RAP6:00 amRapid City
10h 21m
2 stops
SAN3:21 pmSan Diego
Sep 29
SAN9:45 amSan Diego
10h 08m
2 stops
RAP8:53 pmRapid City
$642
Find similar
American Airlines
Oct 15
RAP4:58 pmRapid City
6h 26m
1 stop
SAN10:24 pmSan Diego
Oct 19
SAN6:15 amSan Diego
8h 43m
1 stop
RAP3:58 pmRapid City
$1,261
Find similar
American Airlines
Oct 15
RAP5:32 amRapid City
10h 58m
2 stops
SAN3:30 pmSan Diego
Oct 19
SAN12:40 pmSan Diego
8h 10m
2 stops
RAP9:50 pmRapid City
$2,341
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 August 27, 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

Mon 9/22

5:59 pm-10:14 pm

1 stop5h 15m

San Diego

Mon 9/29

6:53 am-12:37 pm

1 stop4h 44m

$259

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Mon 9/22

7:00 am-1:40 pm

2 stops7h 40m

San Diego

Mon 9/29

6:53 am-12:37 pm

1 stop4h 44m

$264

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 9/10

3:19 pm-8:25 pm

1 stop6h 06m

San Diego

Sun 9/14

2:21 pm-9:59 pm

2 stops6h 38m

$294

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 9/10

3:19 pm-10:28 pm

2 stops8h 09m

San Diego

Sun 9/14

2:21 pm-9:59 pm

2 stops6h 38m

$299

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 9/11

6:27 am-12:46 pm

1 stop7h 19m

San Diego

Sun 9/14

6:15 am-3:43 pm

1 stop8h 28m

$364

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 9/11

6:27 am-12:46 pm

1 stop7h 19m

San Diego

Sun 9/14

6:15 am-1:46 pm

1 stop6h 31m

$374

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 9/9

6:25 am-6:05 pm

2 stops12h 40m

San Diego

Sat 9/13

11:23 am-10:30 pm

2 stops10h 07m

$455

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Mon 9/22

6:00 am-3:21 pm

2 stops10h 21m

San Diego

Mon 9/29

9:45 am-8:53 pm

2 stops10h 08m

$642

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 10/15

4:58 pm-10:24 pm

1 stop6h 26m

San Diego

Sun 10/19

6:15 am-3:58 pm

1 stop8h 43m

$1,261

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Wed 10/15

5:32 am-3:30 pm

2 stops10h 58m

San Diego

Sun 10/19

12:40 pm-9:50 pm

2 stops8h 10m

$2,341

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 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.

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 4h 59m, 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
DeltaPriceFrom $164Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $184Free CancellationRating
7.4
8,945 reviews
Search United 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
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
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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