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Cheap flights from Rapid City to Puerto Rico from $396

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 7/29. 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
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.
United Airlines Logo
5:00 am - 5:38 pm
RAP
-
SJU
10h 38m
1 stop
United Airlines Logo
1:00 am - 10:24 am
SJU
-
RAP
11h 24m
2 stops
$396United Airlines
Wed, Jul 29 - Tue, Aug 4
American Airlines Logo
6:10 pm - 2:38 pm
RAP
-
SJU
18h 28m
2 stops
American Airlines Logo
4:53 pm - 11:49 am
SJU
-
RAP
20h 56m
2 stops
$426American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
11:50 am - 9:43 am
RAP
-
SJU
19h 53m
2 stops
American Airlines Logo
6:00 am - 9:35 pm
SJU
-
RAP
17h 35m
2 stops
$537American Airlines
Wed, Jul 29 - Wed, Aug 5
American Airlines Logo
6:10 pm - 2:10 pm
RAP
-
SJU
18h 00m
1 stop
American Airlines Logo
1:38 pm - 12:30 pm
SJU
-
RAP
24h 52m
2 stops
$546American Airlines
Mon, Aug 24 - Fri, Aug 28
American Airlines Logo
5:02 pm - 4:03 pm
RAP
-
SJU
21h 01m
2 stops
American Airlines Logo
6:00 am - 9:35 pm
SJU
-
RAP
17h 35m
2 stops
$551American Airlines
Wed, Aug 26 - Tue, Sep 1
American Airlines Logo
6:10 pm - 2:10 pm
RAP
-
SJU
18h 00m
1 stop
American Airlines Logo
7:14 pm - 5:40 pm
SJU
-
RAP
24h 26m
2 stops
$599American Airlines
Mon, Aug 24 - Mon, Aug 31
American Airlines Logo
5:02 pm - 2:38 pm
RAP
-
SJU
19h 36m
2 stops
American Airlines Logo
7:14 pm - 5:40 pm
SJU
-
RAP
24h 26m
2 stops
$604American Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
5:00 am - 11:50 pm
RAP
-
SJU
16h 50m
3 stops
United Airlines Logo
1:00 am - 12:29 pm
SJU
-
RAP
13h 29m
2 stops
$611United Airlines
Wed, May 27 - Fri, May 29
American Airlines Logo
12:41 pm - 9:43 am
RAP
-
SJU
19h 02m
2 stops
American Airlines Logo
6:00 am - 9:31 pm
SJU
-
RAP
17h 31m
2 stops
$617American Airlines
Wed, Jul 1 - Wed, Jul 8
United Airlines Logo
6:00 am - 11:50 pm
RAP
-
SJU
15h 50m
2 stops
United Airlines Logo
4:55 pm - 9:17 am
SJU
-
RAP
18h 22m
2 stops
$636United Airlines
Tue, Aug 25 - Wed, Sep 2

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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
Jul 29
RAP5:00 amRapid City
10h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Aug 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
11h 24m
2 stops
RAP10:24 amRapid City
$396
United Airlines
May 27
RAP5:00 amRapid City
16h 50m
3 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
May 29
SJU1:00 amSan Juan Luis Munoz Marin Intl
13h 29m
2 stops
RAP12:29 pmRapid City
$611
United Airlines
Aug 25
RAP6:00 amRapid City
15h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 2
SJU4:55 pmSan Juan Luis Munoz Marin Intl
18h 22m
2 stops
RAP9:17 amRapid City
$636

American Airlines flights from Rapid City to Puerto Rico

Our best American Airlines deals on Rapid City to Puerto Rico flight tickets
American Airlines
Aug 27
RAP11:48 amRapid City
10h 27m
1 stop
SJU12:15 amSan Juan Luis Munoz Marin Intl
Aug 31
SJU4:53 pmSan Juan Luis Munoz Marin Intl
20h 56m
2 stops
RAP11:49 amRapid City
$426
American Airlines
Jul 29
RAP11:50 amRapid City
19h 53m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 5
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 35m
2 stops
RAP9:35 pmRapid City
$537
American Airlines
Aug 24
RAP6:10 pmRapid City
18h 00m
1 stop
SJU2:10 pmSan Juan Luis Munoz Marin Intl
Sep 1
SJU4:53 pmSan Juan Luis Munoz Marin Intl
21h 37m
2 stops
RAP12:30 pmRapid City
$546

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 April 17, 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
Quickest round-trip

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 7/29

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Tue 8/4

1:00 am-10:24 am

2 stops11h 24m

$396

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 8/27

6:10 pm-2:38 pm

2 stops18h 28m

San Juan Luis Munoz Marin Intl

Mon 8/31

4:53 pm-11:49 am

2 stops20h 56m

$426

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 7/29

11:50 am-9:43 am

2 stops19h 53m

San Juan Luis Munoz Marin Intl

Wed 8/5

6:00 am-9:35 pm

2 stops17h 35m

$537

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Mon 8/24

6:10 pm-2:10 pm

1 stop18h 00m

San Juan Luis Munoz Marin Intl

Fri 8/28

1:38 pm-12:30 pm

2 stops24h 52m

$546

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 8/26

5:02 pm-4:03 pm

2 stops21h 01m

San Juan Luis Munoz Marin Intl

Tue 9/1

6:00 am-9:35 pm

2 stops17h 35m

$551

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Mon 8/24

6:10 pm-2:10 pm

1 stop18h 00m

San Juan Luis Munoz Marin Intl

Mon 8/31

7:14 pm-5:40 pm

2 stops24h 26m

$599

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 8/26

5:02 pm-2:38 pm

2 stops19h 36m

San Juan Luis Munoz Marin Intl

Mon 8/31

7:14 pm-5:40 pm

2 stops24h 26m

$604

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 5/27

5:00 am-11:50 pm

3 stops16h 50m

San Juan Luis Munoz Marin Intl

Fri 5/29

1:00 am-12:29 pm

2 stops13h 29m

$611

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 7/1

12:41 pm-9:43 am

2 stops19h 02m

San Juan Luis Munoz Marin Intl

Wed 7/8

6:00 am-9:31 pm

2 stops17h 31m

$617

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 8/25

6:00 am-11:50 pm

2 stops15h 50m

San Juan Luis Munoz Marin Intl

Wed 9/2

4:55 pm-9:17 am

2 stops18h 22m

$636

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

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

You could potentially save up to 11% 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

10h 18m

Direct flights

None
The fastest flight from Rapid City to Puerto Rico takes 10h 18m
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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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 $356Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
American AirlinesPriceFrom $416Free CancellationRating
7.1
11,604 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.

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