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Cheap flights from Rapid City to Puerto Rico from $441

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 Puerto Rico departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 am - 5:38 pm
RAP
-
SJU
8h 33m
1 stop
United Airlines Logo
1:00 am - 12:26 pm
SJU
-
RAP
13h 26m
2 stops
$441United Airlines
Thu, Oct 1 - Fri, Oct 9
American Airlines Logo
4:56 pm - 1:57 pm
RAP
-
SJU
19h 01m
2 stops
American Airlines Logo
2:18 pm - 9:54 am
SJU
-
RAP
21h 36m
2 stops
$446American Airlines
Thu, Oct 1 - Sat, Oct 10
American Airlines Logo
5:04 pm - 3:01 pm
RAP
-
SJU
19h 57m
2 stops
American Airlines Logo
3:51 pm - 9:54 am
SJU
-
RAP
20h 03m
2 stops
$494American Airlines
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
1:09 pm - 10:35 am
RAP
-
SJU
18h 26m
2 stops
American Airlines Logo
6:42 pm - 1:12 pm
SJU
-
RAP
21h 30m
2 stops
$511American Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
7:05 am - 11:50 pm
RAP
-
SJU
14h 45m
2 stops
United Airlines Logo
1:21 pm - 10:08 pm
SJU
-
RAP
10h 47m
1 stop
$526United Airlines
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
7:05 am - 5:38 pm
RAP
-
SJU
8h 33m
1 stop
United Airlines Logo
1:21 pm - 8:45 pm
SJU
-
RAP
9h 24m
1 stop
$531United Airlines
Fri, Oct 23 - Tue, Oct 27
American Airlines Logo
5:02 pm - 2:38 pm
RAP
-
SJU
19h 36m
2 stops
American Airlines Logo
7:30 am - 10:04 pm
SJU
-
RAP
16h 34m
2 stops
$543American Airlines
Sun, Aug 16 - Sun, Aug 23
United Airlines Logo
5:00 am - 8:38 pm
RAP
-
SJU
13h 38m
2 stops
United Airlines Logo
1:00 am - 12:24 pm
SJU
-
RAP
13h 24m
2 stops
$556United Airlines
Tue, Aug 11 - Sun, Aug 16
American Airlines Logo
10:24 am - 11:20 pm
RAP
-
SJU
10h 56m
1 stop
American Airlines Logo
6:00 am - 4:25 pm
SJU
-
RAP
12h 25m
1 stop
$566American Airlines
Thu, Oct 22 - Tue, Oct 27
American Airlines Logo
1:21 pm - 9:43 am
RAP
-
SJU
18h 22m
2 stops
American Airlines Logo
7:05 am - 9:35 pm
SJU
-
RAP
16h 30m
2 stops
$571American Airlines
Fri, Aug 7 - Sat, Aug 15

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United Airlines flights from Rapid City to Puerto Rico

Our best United Airlines deals on Rapid City to Puerto Rico flight tickets
United Airlines
Oct 1
RAP7:05 amRapid City
8h 33m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 9
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 26m
2 stops
RAP12:26 pmRapid City
$441
United Airlines
Oct 20
RAP7:05 amRapid City
14h 45m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU1:21 pmSan Juan Luis Munoz Marin Intl
10h 47m
1 stop
RAP10:08 pmRapid City
$526
United Airlines
Oct 23
RAP7:05 amRapid City
8h 33m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU1:21 pmSan Juan Luis Munoz Marin Intl
9h 24m
1 stop
RAP8:45 pmRapid City
$531

American Airlines flights from Rapid City to Puerto Rico

Our best American Airlines deals on Rapid City to Puerto Rico flight tickets
American Airlines
Oct 1
RAP4:56 pmRapid City
19h 01m
2 stops
SJU1:57 pmSan Juan Luis Munoz Marin Intl
Oct 10
SJU2:18 pmSan Juan Luis Munoz Marin Intl
21h 36m
2 stops
RAP9:54 amRapid City
$446
American Airlines
Oct 22
RAP5:04 pmRapid City
19h 57m
2 stops
SJU3:01 pmSan Juan Luis Munoz Marin Intl
Oct 26
SJU3:51 pmSan Juan Luis Munoz Marin Intl
20h 03m
2 stops
RAP9:54 amRapid City
$494
American Airlines
Dec 1
RAP1:09 pmRapid City
18h 26m
2 stops
SJU10:35 amSan Juan Luis Munoz Marin Intl
Dec 8
SJU6:42 pmSan Juan Luis Munoz Marin Intl
21h 30m
2 stops
RAP1:12 pmRapid City
$511

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 July 21, 2026.
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

Cheapest round-trip

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 10/1

7:05 am-5:38 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Fri 10/9

1:00 am-12:26 pm

2 stops13h 26m

$441

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 10/1

4:56 pm-1:57 pm

2 stops19h 01m

San Juan Luis Munoz Marin Intl

Sat 10/10

2:18 pm-9:54 am

2 stops21h 36m

$446

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 10/22

5:04 pm-3:01 pm

2 stops19h 57m

San Juan Luis Munoz Marin Intl

Mon 10/26

3:51 pm-9:54 am

2 stops20h 03m

$494

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 12/1

1:09 pm-10:35 am

2 stops18h 26m

San Juan Luis Munoz Marin Intl

Tue 12/8

6:42 pm-1:12 pm

2 stops21h 30m

$511

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 10/20

7:05 am-11:50 pm

2 stops14h 45m

San Juan Luis Munoz Marin Intl

Tue 10/27

1:21 pm-10:08 pm

1 stop10h 47m

$526
Quickest round-trip

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 10/23

7:05 am-5:38 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Tue 10/27

1:21 pm-8:45 pm

1 stop9h 24m

$531

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 8/16

5:02 pm-2:38 pm

2 stops19h 36m

San Juan Luis Munoz Marin Intl

Sun 8/23

7:30 am-10:04 pm

2 stops16h 34m

$543

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 8/11

5:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Sun 8/16

1:00 am-12:24 pm

2 stops13h 24m

$556

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 10/22

10:24 am-11:20 pm

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Tue 10/27

6:00 am-4:25 pm

1 stop12h 25m

$566

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 8/7

1:21 pm-9:43 am

2 stops18h 22m

San Juan Luis Munoz Marin Intl

Sat 8/15

7:05 am-9:35 pm

2 stops16h 30m

$571

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in September, then you should wait until August to fly from Rapid City, when ticket prices are also cheap, with an average price of $0.

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

You could potentially save up to 44% 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

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Rapid City to Puerto Rico takes 8h 25m
There are no direct flights from Rapid City to Puerto Rico. There are no popular flight routes from Rapid City to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Rapid City to Puerto Rico

  • 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 $373Free CancellationRating
7.4
10,011 reviews
Search United Airlines flights
American AirlinesPriceFrom $525Free CancellationRating
7.1
11,832 reviews
Search American 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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