What is the cheapest airline that flies from Rapid City to San Diego?

Delta is the most popular carrier operating from Rapid City to San Diego

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?

The number of operators available for flights from Rapid City Airport to San Diego Airport is 2 as of January 2026.

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.

$119 Cheap Flights from Rapid City to San Diego in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $444 to $596. The lowest price recently found on this route was $279.

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Find the cheapest flights from Rapid City to San Diego

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 am - 3:00 pm

RAP

SAN

5h 05m

1 stop

6:30 am - 3:17 pm

SAN

RAP

7h 47m

1 stop

$279United Airlines

Sat, Feb 14 - Wed, Feb 18

2:52 pm - 8:51 pm

RAP

SAN

6h 59m

1 stop

11:05 am - 6:54 pm

SAN

RAP

6h 49m

2 stops

$284United Airlines

Sat, Feb 14 - Wed, Feb 18

6:00 am - 1:58 pm

RAP

SAN

8h 58m

1 stop

6:15 am - 3:44 pm

SAN

RAP

8h 29m

1 stop

$309Delta

Tue, Feb 10 - Sat, Feb 14

6:00 am - 6:00 pm

RAP

SAN

13h 00m

2 stops

6:15 am - 3:44 pm

SAN

RAP

8h 29m

1 stop

$314Delta

Tue, Feb 10 - Sat, Feb 14

11:15 am - 5:14 pm

RAP

SAN

6h 59m

1 stop

6:35 am - 12:35 pm

SAN

RAP

5h 00m

1 stop

$315United Airlines

Fri, Jun 5 - Wed, Jun 10

4:41 pm - 11:59 pm

RAP

SAN

8h 18m

2 stops

6:35 am - 12:35 pm

SAN

RAP

5h 00m

1 stop

$341United Airlines

Fri, Jun 5 - Wed, Jun 10

5:20 am - 9:24 am

RAP

SAN

5h 04m

1 stop

11:57 am - 10:16 pm

SAN

RAP

9h 19m

2 stops

$344United Airlines

Thu, Feb 26 - Sat, Feb 28

6:00 am - 1:58 pm

RAP

SAN

8h 58m

1 stop

6:15 am - 3:25 pm

SAN

RAP

8h 10m

1 stop

$354Delta

Thu, Feb 5 - Mon, Feb 9

10:54 am - 10:31 pm

RAP

SAN

12h 37m

2 stops

10:10 pm - 10:09 am

SAN

RAP

10h 59m

2 stops

$355Delta

Tue, Feb 10 - Sat, Feb 14

6:00 am - 1:58 pm

RAP

SAN

8h 58m

1 stop

7:55 pm - 10:11 am

SAN

RAP

13h 16m

2 stops

$359Delta

Thu, Feb 5 - Mon, Feb 9

United Airlines flights from Rapid City to San Diego

Our best United Airlines deals on Rapid City to San Diego flight tickets

United Airlines

Feb 14

RAP10:55 amRapid City

5h 05m

1 stop

SAN3:00 pmSan Diego

Feb 18

SAN6:30 amSan Diego

7h 47m

1 stop

RAP3:17 pmRapid City

$279

United Airlines

Feb 14

RAP2:52 pmRapid City

6h 59m

1 stop

SAN8:51 pmSan Diego

Feb 18

SAN11:05 amSan Diego

6h 49m

2 stops

RAP6:54 pmRapid City

$284

United Airlines

Jun 5

RAP11:15 amRapid City

6h 59m

1 stop

SAN5:14 pmSan Diego

Jun 10

SAN6:35 amSan Diego

5h 00m

1 stop

RAP12:35 pmRapid City

$315

Delta flights from Rapid City to San Diego

Our best Delta deals on Rapid City to San Diego flight tickets

Delta

Feb 5

RAP6:00 amRapid City

8h 58m

1 stop

SAN1:58 pmSan Diego

Feb 9

SAN6:15 amSan Diego

8h 10m

1 stop

RAP3:25 pmRapid City

$354

Delta

Feb 5

RAP6:00 amRapid City

8h 58m

1 stop

SAN1:58 pmSan Diego

Feb 9

SAN7:55 pmSan Diego

13h 16m

2 stops

RAP10:11 amRapid City

$359

Delta

Feb 5

RAP10:54 amRapid City

9h 14m

2 stops

SAN7:08 pmSan Diego

Feb 9

SAN10:00 pmSan Diego

11h 11m

2 stops

RAP10:11 amRapid City

$365

Fly from

Fly to

Route

Depart

Return

Price

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Sat 2/14

10:55 am-3:00 pm

1 stop5h 05m

San Diego

Wed 2/18

6:30 am-3:17 pm

1 stop7h 47m

$279

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Sat 2/14

2:52 pm-8:51 pm

1 stop6h 59m

San Diego

Wed 2/18

11:05 am-6:54 pm

2 stops6h 49m

$284

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 2/10

6:00 am-1:58 pm

1 stop8h 58m

San Diego

Sat 2/14

6:15 am-3:44 pm

1 stop8h 29m

$309

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 2/10

6:00 am-6:00 pm

2 stops13h 00m

San Diego

Sat 2/14

6:15 am-3:44 pm

1 stop8h 29m

$314

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 6/5

11:15 am-5:14 pm

1 stop6h 59m

San Diego

Wed 6/10

6:35 am-12:35 pm

1 stop5h 00m

$315

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Fri 6/5

4:41 pm-11:59 pm

2 stops8h 18m

San Diego

Wed 6/10

6:35 am-12:35 pm

1 stop5h 00m

$341

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 2/26

5:20 am-9:24 am

1 stop5h 04m

San Diego

Sat 2/28

11:57 am-10:16 pm

2 stops9h 19m

$344

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 2/5

6:00 am-1:58 pm

1 stop8h 58m

San Diego

Mon 2/9

6:15 am-3:25 pm

1 stop8h 10m

$354

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Tue 2/10

10:54 am-10:31 pm

2 stops12h 37m

San Diego

Sat 2/14

10:10 pm-10:09 am

2 stops10h 59m

$355

Rapid CitySan Diego

RAP - SAN

RAPSAN

Rapid City

Thu 2/5

6:00 am-1:58 pm

1 stop8h 58m

San Diego

Mon 2/9

7:55 pm-10:11 am

2 stops13h 16m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 February is also very affordable. Most momondo users find prices during this month for around $338.

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 04m
Direct flights	None

The fastest flight from Rapid City to San Diego takes 5h 04m

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 04m, 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?
The number of operators available for flights from Rapid City Airport to San Diego Airport is 2 as of January 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Rapid City to San Diego is United Airlines (93% of total bookings). The next most popular airline is Delta (7%).

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,199 reviews		Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,111 reviews		Search Delta flights

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

San Ysidro

Borrego Springs

La Mesa

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.