$263+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SJU
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City to Puerto Rico with Cheapflights
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
Cheapest
Best
Last-minute
One-way
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 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 -
2 stops19h 45m
Tue 12/811:34 am -
2 stops12h 58m
Deal found 10/22![American Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/16:00 am -
2 stops13h 22m
Tue 12/88:25 am -
2 stops11h 48m
Deal found 10/21![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/289:35 pm -
1 stop17h 50m
Sat 12/58:25 am -
2 stops14h 21m
Deal found 10/21![United Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/281:14 pm -
2 stops17h 24m
Sat 12/57:20 am -
2 stops17h 12m
Deal found 10/21![American Airlines logo]()
$806
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/296:00 am -
1 stop15h 13m
Sun 12/66:00 am -
2 stops18h 32m
Deal found 10/24![American Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/295:00 am -
1 stop10h 25m
Sun 12/62:21 pm -
1 stop9h 17m
Deal found 10/24![United Airlines logo]()
$885
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 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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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 2/106:00 am -
2 stops13h 22m
Wed 2/172:21 pm -
1 stop11h 09m
Deal found 10/22![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/16:00 am -
2 stops13h 22m
Tue 12/82:21 pm -
1 stop9h 47m
Deal found 10/21![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Mon 4/197:05 am -
1 stop8h 33m
Wed 4/211:00 am -
2 stops13h 30m
Deal found 10/20![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 2/85:00 am -
1 stop10h 25m
Thu 2/112:21 pm -
1 stop9h 09m
Deal found 10/24![United Airlines logo]()
$626
Last-minute flights from Rapid City to Puerto RicoDiscover last-minute flight deals from Rapid City to Puerto Rico. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Puerto Rico. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/289:35 pm -
1 stop17h 50m
Sat 12/58:25 am -
2 stops14h 21m
Deal found 10/21![United Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/281:14 pm -
2 stops17h 24m
Sat 12/57:20 am -
2 stops17h 12m
Deal found 10/21![American Airlines logo]()
$806
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/296:00 am -
1 stop15h 13m
Sun 12/66:00 am -
2 stops18h 32m
Deal found 10/24![American Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/295:00 am -
1 stop10h 25m
Sun 12/62:21 pm -
1 stop9h 17m
Deal found 10/24![United Airlines logo]()
$885
One-way flights from Rapid City to Puerto RicoSearch for one-way flight options from Rapid City to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Rapid City to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:11 am -
2 stops13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$263
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 25, 2026.
Round-trip from | $506 (United Airlines) |
|---|---|
One-way from | $263 (American Airlines) |
Popular in | May |
Cheapest in | January |
Average price | $486 |
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 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
Quickest round-trip
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Mon 12/7
6:11 am-10:35 pm
2 stops13h 24m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$263
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Wed 2/10
6:00 am-10:22 pm
2 stops13h 22m
San Juan Luis Munoz Marin Intl
Wed 2/17
2:21 pm-10:30 pm
1 stop11h 09m
$506
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Tue 12/1
6:00 am-10:22 pm
2 stops13h 22m
San Juan Luis Munoz Marin Intl
Tue 12/8
2:21 pm-9:08 pm
1 stop9h 47m
$616
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Mon 4/19
7:05 am-5:38 pm
1 stop8h 33m
San Juan Luis Munoz Marin Intl
Wed 4/21
1:00 am-12:30 pm
2 stops13h 30m
$626
Rapid CitySan Juan
RAP Rapid City - SJU San Juan Luis Munoz Marin Intl
RAPSJU
Rapid City
Mon 2/8
5:00 am-6:25 pm
1 stop10h 25m
San Juan Luis Munoz Marin Intl
Thu 2/11
2:21 pm-8:30 pm
1 stop9h 09m
$626
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 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
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.3
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.
Search flights from Rapid City to Puerto Rico by cabin class
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 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$396 | Average$735 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$556 | Average$590 | FlexibilityNo cancel fee | On-time71% |