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Cheap flights from Rapid City to Puerto Rico from $426

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 8/7. 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.
American Airlines Logo
5:07 pm - 2:38 pm
RAP
-
SJU
19h 31m
2 stops
American Airlines Logo
7:20 pm - 11:15 am
SJU
-
RAP
17h 55m
2 stops
$426American Airlines
Fri, Aug 7 - Sat, Aug 15
American Airlines Logo
5:07 pm - 2:53 pm
RAP
-
SJU
19h 46m
2 stops
American Airlines Logo
12:55 am - 11:15 am
SJU
-
RAP
12h 20m
1 stop
$479American Airlines
Fri, Aug 7 - Fri, Aug 14
American Airlines Logo
1:21 pm - 11:59 pm
RAP
-
SJU
8h 38m
1 stop
American Airlines Logo
12:55 am - 11:15 am
SJU
-
RAP
12h 20m
1 stop
$532American Airlines
Fri, Aug 7 - Fri, Aug 14
American Airlines Logo
12:41 pm - 9:45 am
RAP
-
SJU
19h 04m
2 stops
American Airlines Logo
4:53 pm - 9:49 am
SJU
-
RAP
18h 56m
2 stops
$558American Airlines
Thu, Jul 30 - Wed, Aug 5
American Airlines Logo
1:21 pm - 11:59 pm
RAP
-
SJU
8h 38m
1 stop
American Airlines Logo
12:55 am - 11:15 am
SJU
-
RAP
12h 20m
1 stop
$571American Airlines
Fri, Aug 7 - Fri, Aug 14
United Airlines Logo
11:20 am - 12:34 pm
RAP
-
SJU
23h 14m
3 stops
United Airlines Logo
2:05 am - 10:25 pm
SJU
-
RAP
22h 20m
2 stops
$866United Airlines
Thu, Jul 30 - Tue, Aug 4

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 7
RAP5:07 pmRapid City
19h 31m
2 stops
SJU2:38 pmSan Juan Luis Munoz Marin Intl
Aug 15
SJU7:20 pmSan Juan Luis Munoz Marin Intl
17h 55m
2 stops
RAP11:15 amRapid City
$426
American Airlines
Aug 7
RAP5:07 pmRapid City
19h 31m
2 stops
SJU2:38 pmSan Juan Luis Munoz Marin Intl
Aug 14
SJU12:55 amSan Juan Luis Munoz Marin Intl
12h 20m
1 stop
RAP11:15 amRapid City
$479
American Airlines
Aug 7
RAP1:21 pmRapid City
8h 38m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Aug 14
SJU12:55 amSan Juan Luis Munoz Marin Intl
12h 20m
1 stop
RAP11:15 amRapid City
$532

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 June 2, 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

Fri 8/7

5:07 pm-2:38 pm

2 stops19h 31m

San Juan Luis Munoz Marin Intl

Sat 8/15

7:20 pm-11:15 am

2 stops17h 55m

$426

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 8/7

5:07 pm-2:53 pm

2 stops19h 46m

San Juan Luis Munoz Marin Intl

Fri 8/14

12:55 am-11:15 am

1 stop12h 20m

$479
Quickest round-trip

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 8/7

1:21 pm-11:59 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 8/14

12:55 am-11:15 am

1 stop12h 20m

$532

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 7/30

12:41 pm-9:45 am

2 stops19h 04m

San Juan Luis Munoz Marin Intl

Wed 8/5

4:53 pm-9:49 am

2 stops18h 56m

$558

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 8/7

1:21 pm-11:59 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 8/14

12:55 am-11:15 am

1 stop12h 20m

$571

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 7/30

11:20 am-12:34 pm

3 stops23h 14m

San Juan Luis Munoz Marin Intl

Tue 8/4

2:05 am-10:25 pm

2 stops22h 20m

$866

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 38m

Direct flights

None
The fastest flight from Rapid City to Puerto Rico takes 8h 38m
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
9,778 reviews
Search United Airlines flights
American AirlinesPriceFrom $525Free CancellationRating
7.1
11,639 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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1 adult
Thu 7/2
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