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Puerto Rico

$287+ Cheap flights from Rapid City (RAP) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SJU
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Rapid City to Puerto Rico

Cheapest flights from Rapid City to Puerto Rico
Explore the most affordable flight options available from Rapid City to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:09 pm
RAP
-
SJU
2 stops18h 26m
American Airlines
Tue 12/88:18 am
SJU
-
RAP
2 stops15h 57m
American Airlines
Deal found 7/27$446
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:05 am
RAP
-
SJU
1 stop8h 33m
United Airlines
Thu 10/11:00 am
SJU
-
RAP
2 stops12h 55m
United Airlines
Deal found 7/23$526
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:09 pm
RAP
-
SJU
1 stop8h 07m
American Airlines
Thu 11/196:55 pm
SJU
-
RAP
2 stops20h 54m
American Airlines
Deal found 7/25$551
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:09 pm
RAP
-
SJU
1 stop8h 07m
American Airlines
Tue 11/176:28 am
SJU
-
RAP
1 stop9h 11m
American Airlines
Deal found 7/25$656
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:48 pm
RAP
-
SJU
1 stop21h 37m
United Airlines
Tue 12/82:25 pm
SJU
-
RAP
1 stop9h 08m
United Airlines
Deal found 7/24$685

Find flight deals from Rapid City to Puerto Rico

Keep the following information in mind while searching for Rapid City to Puerto Rico flight deals. Data was last updated July 29, 2026.

Round-trip from

$446
(American Airlines)

One-way from

$287
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$396
From Rapid City to Puerto Rico
Search Deals
One-way flight from Rapid City to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 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

Tue 1/19

6:55 am-11:50 pm

2 stops13h 55m

San Juan Luis Munoz Marin Intl

Fri 1/29

3:20 pm-10:39 pm

1 stop10h 19m

$446

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

8:18 am-9:15 pm

2 stops15h 57m

$446

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 1/19

2:08 pm-12:32 pm

2 stops19h 24m

San Juan Luis Munoz Marin Intl

Fri 1/29

5:51 pm-1:34 pm

2 stops22h 43m

$471

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 11/5

1:09 pm-10:44 am

2 stops18h 35m

San Juan Luis Munoz Marin Intl

Tue 11/17

6:55 pm-12:39 pm

2 stops20h 44m

$511
Quickest round-trip

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 9/29

7:05 am-5:38 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Thu 10/1

1:00 am-11:55 am

2 stops12h 55m

$526
Cheapest one-way

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sat 8/8

4:40 pm-5:29 am

2 stops10h 49m

$345

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 8/9

7:00 am-5:38 pm

1 stop8h 38m

$345

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sat 8/8

5:25 pm-4:11 pm

3 stops20h 46m

$425
Quickest one-way

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sat 8/8

1:16 pm-11:43 pm

1 stop8h 27m

$440

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 8/7

11:20 am-12:04 pm

3 stops22h 44m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first

Best time to book a flight from Rapid City to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Puerto Rico

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated July 29, 2026.
Read through reviews of airlines operating flights from Rapid City to Puerto Rico, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,046 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,839 reviews
United Airlines
7.4
Good
10,046 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Puerto Rico?

    Most people fly from Rapid City (RAP) if they book a flight from Rapid City to Puerto Rico. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • How long is the flight from Rapid City to Puerto Rico?

    There are many flights that can get you from Rapid City to Puerto Rico in 13h 55m. Fly via Delta or American Airlines to get the fastest option. There are 2774 mi between Rapid City and Puerto Rico. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Rapid City to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Rapid City to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Puerto Rico.

  • Can I find deals for business class flights from Rapid City to Puerto Rico?

    Yes. Cheapflights offers flight deals from Rapid City to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Rapid City to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Rapid City to Port Au Prince flights

Top 2 airlines flying from Rapid City to Puerto Rico

Discover the top 2 airlines that operate flights from Rapid City to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$356Average$728FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$525Average$590FlexibilityNo cancel feeOn-time71%

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