$486+ 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
Nov 7 — Nov 141
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Rapid City to Puerto Rico
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Best
Last-minute
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 October 8, 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 October 8, 2026.
This American Airlines deal was found by Cheapflights users on 10/6. 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 12/11:19 pm -
1 stop7h 54m
Tue 12/86:28 am -
1 stop9h 11m
Deal found 10/6![American Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 12/21:09 pm -
2 stops17h 27m
Sun 12/66:00 am -
2 stops18h 32m
Deal found 10/4![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 10/8. 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 12/16:00 am -
2 stops13h 22m
Tue 12/88:25 am -
2 stops14h 26m
Deal found 10/8![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:05 am -
2 stops14h 45m
Tue 10/277:05 am -
2 stops14h 14m
Deal found 10/5![United Airlines logo]()
$647
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 October 8, 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 October 8, 2026.
This American Airlines deal was found by Cheapflights users on 10/4. 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 12/11:19 pm -
1 stop7h 54m
Tue 12/87:20 am -
2 stops17h 12m
Deal found 10/4![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:05 am -
2 stops14h 45m
Tue 10/277:05 am -
2 stops14h 14m
Deal found 10/5![United Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 12/21:09 pm -
2 stops17h 27m
Sun 12/66:00 am -
2 stops18h 32m
Deal found 10/4![American Airlines logo]()
$491
Last-minute flights from Rapid City to Puerto RicoDiscover last-minute flight deals from Rapid City to Puerto Rico. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Puerto Rico. Data last updated October 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:05 am -
2 stops14h 45m
Tue 10/277:05 am -
2 stops14h 14m
Deal found 10/5![United Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/215:04 pm -
2 stops20h 34m
Sun 10/254:17 pm -
1 stop19h 37m
Deal found 10/5![American Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/215:00 am -
1 stop10h 38m
Sun 10/251:21 pm -
1 stop11h 09m
Deal found 10/5![United Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Fri 10/231:37 pm -
2 stops22h 08m
Tue 10/273:55 pm -
2 stops22h 03m
Deal found 10/7![United Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 10/7. 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 11/56:11 am -
1 stop15h 05m
Mon 11/166:55 pm -
2 stops20h 44m
Deal found 10/7![American Airlines logo]()
$797
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 11/55:00 am -
1 stop10h 25m
Mon 11/162:21 pm -
1 stop9h 22m
Deal found 10/7![United Airlines logo]()
$938
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 October 8, 2026.
Round-trip from | $486 (American Airlines) |
|---|---|
Popular in | May |
Cheapest in | January |
Average price | $650 |
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 October 8, 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
Quickest round-trip
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Tue 12/1
1:19 pm-12:13 am
1 stop7h 54m
San Juan Luis Munoz Marin Intl
Tue 12/8
7:20 am-9:32 pm
2 stops17h 12m
$486
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Wed 12/2
1:09 pm-9:36 am
2 stops17h 27m
San Juan Luis Munoz Marin Intl
Sun 12/6
6:00 am-9:32 pm
2 stops18h 32m
$491
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Tue 10/20
7:05 am-11:50 pm
2 stops14h 45m
San Juan Luis Munoz Marin Intl
Tue 10/27
7:05 am-7:19 pm
2 stops14h 14m
$647
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 October 8, 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
Comfort
7.3
Boarding
7.7
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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
See prices for flight routes from nearby airports that may be better suited for you.
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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Find flights from Rapid City to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Rapid City and Puerto Rico flights
Browse other Rapid City and Puerto Rico flight options. Last updated on October 8, 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 October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$396 | Average$728 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$556 | Average$590 | FlexibilityNo cancel fee | On-time71% |