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Luis Munoz Marin Intl

$277+ Cheap flights from Rapid City (RAP) to Luis Munoz Marin Intl (SJU)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SJU
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Rapid City to Luis Munoz Marin Intl

Cheapest flights from Rapid City to Luis Munoz Marin Intl
Explore the most affordable flight options available from Rapid City to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. 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 10/287:05 am
RAP
-
SJU
1 stop8h 20m
United Airlines
Sat 10/317:30 am
SJU
-
RAP
2 stops11h 33m
United Airlines
Deal found 2/9$366
This United Airlines deal was found by Cheapflights users on 2/11. 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 10/247:05 am
RAP
-
SJU
2 stops11h 33m
United Airlines
Tue 10/271:25 pm
SJU
-
RAP
1 stop10h 43m
United Airlines
Deal found 2/11$423
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/312:21 pm
RAP
-
SJU
2 stops20h 32m
American Airlines
Mon 4/66:01 pm
SJU
-
RAP
2 stops20h 37m
American Airlines
Deal found 2/11$448
This United Airlines deal was found by Cheapflights users on 2/11. 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 10/277:05 am
RAP
-
SJU
2 stops12h 17m
United Airlines
Wed 10/286:45 am
SJU
-
RAP
2 stops14h 23m
United Airlines
Deal found 2/11$451
This United Airlines deal was found by Cheapflights users on 2/9. 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 10/277:05 am
RAP
-
SJU
1 stop8h 20m
United Airlines
Fri 10/301:25 pm
SJU
-
RAP
1 stop9h 08m
United Airlines
Deal found 2/9$456
This American Airlines deal was found by Cheapflights users on 2/9. 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 10/254:34 pm
RAP
-
SJU
2 stops25h 36m
American Airlines
Thu 10/298:35 am
SJU
-
RAP
2 stops15h 26m
American Airlines
Deal found 2/9$472
This United Airlines deal was found by Cheapflights users on 2/9. 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 10/317:05 am
RAP
-
SJU
2 stops12h 17m
United Airlines
Tue 11/32:25 pm
SJU
-
RAP
1 stop9h 08m
United Airlines
Deal found 2/9$489
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/112:21 pm
RAP
-
SJU
2 stops16h 39m
American Airlines
Wed 3/184:18 pm
SJU
-
RAP
2 stops23h 33m
American Airlines
Deal found 2/9$491
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/52:21 pm
RAP
-
SJU
2 stops20h 32m
American Airlines
Wed 3/111:30 am
SJU
-
RAP
1 stop14h 21m
American Airlines
Deal found 2/9$492
This American Airlines deal was found by Cheapflights users on 2/10. 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 8/136:10 pm
RAP
-
SJU
2 stops18h 45m
American Airlines
Thu 8/208:00 am
SJU
-
RAP
2 stops11h 40m
American Airlines
Deal found 2/10$502
This American Airlines deal was found by Cheapflights users on 2/9. 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 10/264:34 pm
RAP
-
SJU
2 stops21h 36m
American Airlines
Sat 10/318:35 am
SJU
-
RAP
2 stops15h 26m
American Airlines
Deal found 2/9$507

Find flight deals from Rapid City to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$448
(American Airlines)

One-way from

$277
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$695
Provider with most accurate pricing for Rapid City-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Rapid City to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Rapid City to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Luis Munoz Marin Intl 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 February 12, 2026.
Use the filters below to find and compare flights from Rapid City to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Rapid City

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 3/31

2:21 pm-12:53 pm

2 stops20h 32m

San Juan Luis Munoz Marin Intl

Mon 4/6

6:01 pm-12:38 pm

2 stops20h 37m

$448

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 3/11

2:21 pm-9:00 am

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Wed 3/18

4:18 pm-1:51 pm

2 stops23h 33m

$491

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 5/5

5:20 am-8:38 pm

2 stops13h 18m

San Juan Luis Munoz Marin Intl

Thu 5/7

1:00 am-1:09 pm

2 stops14h 09m

$528

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Mon 2/23

5:20 am-9:26 pm

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:30 am-8:44 pm

2 stops15h 14m

$541

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Sun 3/15

5:55 pm-2:17 pm

3 stops42h 22m

$292

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 3/19

5:55 pm-9:34 pm

3 stops49h 39m

$317

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Tue 3/17

2:21 pm-5:28 am

1 stop13h 07m

$341

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Thu 3/19

5:32 am-9:00 am

2 stops25h 28m

$347

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 3/18

2:21 pm-12:53 pm

2 stops20h 32m

$364

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 3/20

11:37 am-6:55 pm

3 stops53h 18m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
1
2

Compare providers for flights from Rapid City to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Luis Munoz Marin Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated February 12, 2026.
See what other customers who have flown with United Airlines and American Airlines from Rapid City to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,279 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,279 reviews
United Airlines
7.4
Good
9,279 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,271 reviews
United Airlines
7.4
Good
9,279 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

    Located just 9.0 mi from the city center, Rapid City is the airport most travelers will use when flying to San Juan Luis Munoz Marin Intl from Rapid City. Booking flights from Rapid City (RAP) to San Juan Luis Munoz Marin Intl should be relatively easy as there are 0 daily outbound flights to San Juan Luis Munoz Marin Intl from 2 different airlines.

  • How long is the flight from Rapid City to San Juan Luis Munoz Marin Intl Airport?

    Airlines like American Airlines and United Airlines fly from Rapid City to San Juan Luis Munoz Marin Intl Airport in about 13h 18m. The time it takes to get you to your destination can typically vary by up to 7h 14m. Airlines will cover a distance of 2774 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Rapid City to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $373, United Airlines will fly you from Rapid City to San Juan Luis Munoz Marin Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $416. United Airlines is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Rapid City to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Rapid City to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Rapid City to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Rapid City to Luis Munoz Marin Intl 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rapid City to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Luis Munoz Marin Intl flights

Top 2 airlines flying from Rapid City to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Rapid City to Luis Munoz Marin Intl. 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$373Average$758FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$416Average$590FlexibilityNo cancel feeOn-time71%

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