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Cheap flights from Rapid City to Puerto Rico from $270

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 Puerto Rico departing on 1/15. 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 Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:08 pm - 10:48 amRAP-SJU
17h 40m2 stops
American Airlines Logo
7:12 pm - 1:34 pmSJU-RAP
21h 22m2 stops
$335American Airlines
Find Deal
Tue, Jan 27 - Mon, Feb 2
United Airlines Logo
7:00 am - 9:26 pmRAP-SJU
11h 26m2 stops
United Airlines Logo
8:10 am - 8:44 pmSJU-RAP
15h 34m2 stops
$420United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
7:00 am - 9:26 pmRAP-SJU
11h 26m2 stops
United Airlines Logo
2:25 pm - 10:16 pmSJU-RAP
10h 51m1 stop
$425United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
2:08 pm - 10:48 amRAP-SJU
17h 40m2 stops
American Airlines Logo
7:07 am - 9:15 pmSJU-RAP
17h 08m1 stop
$437American Airlines
Find Deal
Fri, Jan 30 - Mon, Feb 2
United Airlines Logo
5:20 am - 6:25 pmRAP-SJU
10h 05m1 stop
United Airlines Logo
2:25 pm - 8:44 pmSJU-RAP
9h 19m1 stop
$465United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
5:15 am - 6:25 pmRAP-SJU
10h 10m1 stop
United Airlines Logo
2:05 am - 1:11 pmSJU-RAP
14h 06m2 stops
$499United Airlines
Find Deal
Sun, Dec 7 - Fri, Dec 12
United Airlines Logo
7:00 am - 6:25 pmRAP-SJU
8h 25m1 stop
United Airlines Logo
8:30 am - 6:54 pmSJU-RAP
13h 24m2 stops
$502United Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
American Airlines Logo
6:00 am - 10:26 pmRAP-SJU
13h 26m1 stop
American Airlines Logo
7:12 pm - 1:34 pmSJU-RAP
21h 22m2 stops
$515American Airlines
Find Deal
Fri, Jan 23 - Mon, Jan 26
American Airlines Logo
1:47 pm - 5:19 amRAP-SJU
12h 32m1 stop
American Airlines Logo
6:54 am - 9:16 pmSJU-RAP
17h 22m1 stop
$539American Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
Multiple Airlines Logo
10:19 pm - 12:45 amRAP-SJU
23h 26m3 stops
Multiple Airlines Logo
5:00 pm - 9:29 pmSJU-RAP
31h 29m3 stops
$715Multiple Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13

American Airlines flights from Rapid City to Puerto Rico

Our best American Airlines deals on Rapid City to Puerto Rico flight tickets
American Airlines
Jan 27
RAP2:08 pmRapid City
17h 40m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 2
SJU7:12 pmSan Juan Luis Munoz Marin Intl
21h 22m
2 stops
RAP1:34 pmRapid City
$335
Find similar
American Airlines
Jan 30
RAP2:08 pmRapid City
17h 40m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 2
SJU7:07 amSan Juan Luis Munoz Marin Intl
17h 08m
1 stop
RAP9:15 pmRapid City
$437
Find similar
American Airlines
Jan 23
RAP6:00 amRapid City
13h 26m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Jan 26
SJU7:12 pmSan Juan Luis Munoz Marin Intl
21h 22m
2 stops
RAP1:34 pmRapid City
$515
Find similar

United Airlines flights from Rapid City to Puerto Rico

Our best United Airlines deals on Rapid City to Puerto Rico flight tickets
United Airlines
Mar 3
RAP7:00 amRapid City
11h 26m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU8:10 amSan Juan Luis Munoz Marin Intl
15h 34m
2 stops
RAP8:44 pmRapid City
$420
Find similar
United Airlines
Mar 3
RAP7:00 amRapid City
11h 26m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 51m
1 stop
RAP10:16 pmRapid City
$425
Find similar
United Airlines
Mar 3
RAP5:20 amRapid City
10h 05m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU2:25 pmSan Juan Luis Munoz Marin Intl
9h 19m
1 stop
RAP8:44 pmRapid City
$465
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Puerto Rico 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 November 6, 2025.
Use the filters below to find and compare flights from Rapid City to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 1/27

2:08 pm-10:48 am

2 stops17h 40m

San Juan Luis Munoz Marin Intl

Mon 2/2

7:12 pm-1:34 pm

2 stops21h 22m

$335

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 3/3

7:00 am-9:26 pm

2 stops11h 26m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:10 am-8:44 pm

2 stops15h 34m

$420

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 3/3

7:00 am-9:26 pm

2 stops11h 26m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-10:16 pm

1 stop10h 51m

$425

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 1/30

2:08 pm-10:48 am

2 stops17h 40m

San Juan Luis Munoz Marin Intl

Mon 2/2

7:07 am-9:15 pm

1 stop17h 08m

$437

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 3/3

5:20 am-6:25 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-8:44 pm

1 stop9h 19m

$465

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 12/7

5:15 am-6:25 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Fri 12/12

2:05 am-1:11 pm

2 stops14h 06m

$499

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 12/7

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Sat 12/13

8:30 am-6:54 pm

2 stops13h 24m

$502

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 1/23

6:00 am-10:26 pm

1 stop13h 26m

San Juan Luis Munoz Marin Intl

Mon 1/26

7:12 pm-1:34 pm

2 stops21h 22m

$515

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 12/7

1:47 pm-5:19 am

1 stop12h 32m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:54 am-9:16 pm

1 stop17h 22m

$539

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 12/7

10:19 pm-12:45 am

3 stops23h 26m

San Juan Luis Munoz Marin Intl

Sat 12/13

5:00 pm-9:29 pm

3 stops31h 29m

$715

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Rapid City to Puerto Rico

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 cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Rapid City is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $404. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $819.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the morning. Flights from Rapid City to Puerto Rico during this time can be as low as $678. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $862.

Can stopping save me money on Rapid City to Puerto Rico flights?

You could potentially save up to 2% on your flight if you consider stops on a Rapid City to Puerto Rico flight.

Cheap Rapid City to Puerto Rico flight deals and tips

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

Direct flights

None
There are no direct flights from Rapid City to Puerto Rico. There are no popular flight routes from Rapid City to Puerto Rico.
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  • When did momondo last update prices for flights from Rapid City Airport to Puerto Rico?

    Prices for flights from Rapid City Airport to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Rapid City Airport to Puerto Rico?

  • How old do you have to be to fly from Rapid City Airport to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rapid City to Puerto Rico

Compare and see reviews for airlines that fly from Rapid City to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $464Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Puerto Rico?

Finding the right flight to Puerto Rico from Rapid City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Rapid City to Puerto Rico with flexible booking policies on momondo?

momondo does allow users to show only those flights to Puerto Rico from Rapid City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rapid City to Puerto Rico?

Once all potential Rapid City to Puerto Rico 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 Puerto Rico right now. Can momondo alert me if prices change?

Price alerts on flights to Puerto Rico from Rapid City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Puerto Rico trip

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Find better results for your trip to Puerto Rico

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Popular flights according to clicks in the last 7 days on momondo
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