$466+ Cheap flights from Rapid City (RAP) to Puerto Rico
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SJU
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Rapid City to Puerto RicoExplore 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 August 25, 2026.
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 August 25, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 -
2 stops18h 35m
Tue 12/86:28 am -
1 stop9h 11m
Deal found 8/21![American Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/21. 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 12/17:00 am -
1 stop8h 25m
Tue 12/82:25 pm -
1 stop9h 43m
Deal found 8/21![United Airlines logo]()
$581
Best flights from Rapid City to Puerto RicoDiscover carefully curated flight deals from Rapid City to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Rapid City to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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 -
2 stops18h 35m
Tue 12/86:28 am -
1 stop9h 11m
Deal found 8/21![American Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 8/21. 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 12/17:00 am -
1 stop8h 25m
Tue 12/82:25 pm -
1 stop9h 43m
Deal found 8/21![United Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:17 am -
1 stop14h 59m
Thu 2/186:50 am -
1 stop18h 08m
Deal found 8/24![American Airlines logo]()
$466
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 August 25, 2026.
Round-trip from | $466 (American Airlines) |
|---|---|
Popular in | December |
Cheapest in | November |
Average price | $556 |
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 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Tue 12/1
1:09 pm-10:44 am
2 stops18h 35m
San Juan Luis Munoz Marin Intl
Tue 12/8
6:28 am-12:39 pm
1 stop9h 11m
$466
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Mon 2/8
6:17 am-12:16 am
1 stop14h 59m
San Juan Luis Munoz Marin Intl
Thu 2/18
6:50 am-9:58 pm
1 stop18h 08m
$466
Quickest round-trip
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Tue 12/1
7:00 am-6:25 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Tue 12/8
2:25 pm-9:08 pm
1 stop9h 43m
$581
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.
RAP-SJU
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
RAP-PR0
RAP-SJU
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 August 25, 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.
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Rapid City to Puerto Rico
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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
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Rapid City and Puerto Rico flights
Browse other Rapid City and Puerto Rico flight options. Last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$373 | Average$735 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$525 | Average$590 | FlexibilityNo cancel fee | On-time71% |