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

Currently priced at $479, American Airlines will fly you from Rapid City to San Juan Luis Munoz Marin Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $655. American Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Rapid City to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Rapid City to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest day to fly round-trip from Rapid City to San Juan Luis Munoz Marin Intl Airport?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Juan Luis Munoz Marin Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Rapid City to San Juan Luis Munoz Marin Intl Airport?

The best pricing can be found in the month of April. Prices to San Juan Luis Munoz Marin Intl Airport from Rapid City average $626. You can even find prices in April for less than $626, as users have found deals to San Juan Luis Munoz Marin Intl Airport from as low as $242. The month of December appears to be one of the more expensive times to travel to San Juan Luis Munoz Marin Intl Airport from Rapid City. Flying in the targeted month can save you up to 108%.

What is the cheapest time of day to fly from RAP to SJU?

When flying from Rapid City to San Juan Luis Munoz Marin Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 22% versus a flight at noon.

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.

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.

$479+ Flights from Rapid City to San Juan Luis Munoz Marin Intl Airport

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Cheap flight deals from Rapid City to Luis Munoz Marin Intl

Round-trip from	$479 (American Airlines)
Popular in	December
Cheapest in	April
Average price	$654

From Rapid City to San Juan Luis Munoz Marin Intl

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($247 potential increase over avg. RT price).

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Cheapest flight prices on average. 10% potential price decrease ($62 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find 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 July 3, 2025.

Fri 7/116:01 pmRAP - SJU

2 stops18h 53mAmerican Airlines

Fri 7/187:00 pmSJU - RAP

2 stops19h 17mAmerican Airlines

Deal found 7/3

$479

Fri 7/47:00 amRAP - SJU

2 stops15h 02mUnited Airlines

Sat 7/51:10 amSJU - RAP

2 stops13h 36mUnited Airlines

Deal found 6/30

$609

Fri 7/44:46 pmRAP - SJU

2 stops26h 18mMultiple Airlines

Sun 7/68:24 pmSJU - RAP

3 stops22h 03mMultiple Airlines

Deal found 6/30

$858

Best flights from Rapid City to Luis Munoz Marin Intl
Discover carefully curated flight deals from Rapid City to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 7/1812:03 pmRAP - SJU

1 stop9h 22mAmerican Airlines

Tue 7/226:15 amSJU - RAP

1 stop16h 51mAmerican Airlines

Deal found 7/3

$479

Wed 10/85:30 amRAP - SJU

1 stop10h 00mUnited Airlines

Wed 10/152:00 pmSJU - RAP

1 stop8h 34mUnited Airlines

Deal found 7/1

$655

Last-minute flights from Rapid City to Luis Munoz Marin Intl
Discover last-minute flight deals from Rapid City to Luis Munoz Marin Intl. Data last updated July 3, 2025 and is based on user searches.

Fri 7/47:00 amRAP - SJU

1 stop8h 30mUnited Airlines

Sat 7/51:10 amSJU - RAP

2 stops13h 36mUnited Airlines

Deal found 6/30

$609

Fri 7/44:46 pmRAP - SJU

2 stops26h 18mMultiple Airlines

Sun 7/68:24 pmSJU - RAP

3 stops22h 03mMultiple Airlines

Deal found 6/30

$858

Fri 7/116:01 pmRAP - SJU

2 stops18h 53mAmerican Airlines

Fri 7/187:00 pmSJU - RAP

2 stops19h 17mAmerican Airlines

Deal found 7/3

$479

Fri 7/1111:16 amRAP - SJU

2 stops10h 38mUnited Airlines

Thu 7/171:10 amSJU - RAP

2 stops12h 26mUnited Airlines

Deal found 7/3

$789

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Fri 7/18

12:03 pm-11:25 pm

1 stop9h 22m

San Juan Luis Munoz Marin Intl

Tue 7/22

6:15 am-9:06 pm

1 stop16h 51m

$479

Rapid CitySan Juan

RAP - SJU

RAPSJU

Rapid City

Wed 10/8

5:30 am-5:30 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Wed 10/15

2:00 pm-8:34 pm

1 stop8h 34m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Rapid City to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Luis Munoz Marin Intl

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

8,845 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,845 reviews

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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.
What are the cheapest airlines flying from Rapid City to San Juan Luis Munoz Marin Intl Airport round-trip?
Currently priced at $479, American Airlines will fly you from Rapid City to San Juan Luis Munoz Marin Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $655. American Airlines is priced at 23% 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.
What is the cheapest month to book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Rapid City to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$328	Average$809	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$375	Average$445	FlexibilityNo cancel fee	On-time71%

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$479+ Cheap flights from Rapid City (RAP) to Luis Munoz Marin Intl (SJU)

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Luis Munoz Marin Intl with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Rapid City to Luis Munoz Marin Intl

Round-trip from

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Find flight deals from Rapid City to Luis Munoz Marin Intl

Cheapest flights from Rapid City to Luis Munoz Marin IntlExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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.

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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

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.

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?

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

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

How can I 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?

What is the cheapest month to book a flight from Rapid City to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near Rapid City?

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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.

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

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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 July 3, 2025.