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Luis Munoz Marin Intl

$101+ Cheap flights from Raleigh (RDU) 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to San Juan Luis Munoz Marin Intl are usually found in October or February, booked 77 days in advance, depart on a Monday or Friday and return on a Friday

Cheap flight deals from Raleigh to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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 September 19, 2025.

Round-trip from

$232
(Frontier)

One-way from

$101
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$316

Good round-trip deal

$272 or less

Good one-way deal

$147 or less
From Raleigh-Durham to San Juan Luis Munoz Marin Intl
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One-way flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl.
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Find flight deals from Raleigh to Luis Munoz Marin Intl

Cheapest flights from Raleigh to Luis Munoz Marin Intl
Explore the most affordable flight options available from Raleigh to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Frontier deal was found by Cheapflights users on 9/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:15 pmRDU - SJU
2 stops17h 01mFrontier
Sat 11/15:51 pmSJU - RDU
2 stops25h 11mFrontier
Deal found 9/18$232
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:30 amRDU - SJU
1 stop20h 00mFrontier
Fri 10/101:59 amSJU - RDU
1 stop29h 52mFrontier
Deal found 9/17$233
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/63:15 pmRDU - SJU
1 stop10h 43mMultiple Airlines
Fri 10/101:59 amSJU - RDU
1 stop29h 52mMultiple Airlines
Deal found 9/18$234
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:20 pmRDU - SJU
Nonstop3h 30mJetBlue
Fri 10/2411:45 amSJU - RDU
Nonstop3h 39mJetBlue
Deal found 9/17$238
This Frontier deal was found by Cheapflights users on 9/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:30 amRDU - SJU
2 stops13h 59mFrontier
Tue 11/49:00 amSJU - RDU
1 stop11h 18mFrontier
Deal found 9/17$239
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:39 pmRDU - SJU
2 stops17h 13mMultiple Airlines
Sun 12/144:20 pmSJU - RDU
Nonstop3h 52mMultiple Airlines
Deal found 9/17$240
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:49 pmRDU - SJU
1 stop28h 09mMultiple Airlines
Sat 10/412:28 amSJU - RDU
1 stop7h 21mMultiple Airlines
Deal found 9/17$241
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:42 pmRDU - SJU
2 stops17h 19mFrontier
Tue 9/309:26 pmSJU - RDU
2 stops23h 11mFrontier
Deal found 9/16$242
This Priceline deal was found by Cheapflights users on 9/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:07 pmRDU - SJU
Nonstop3h 21mFrontier
Sat 12/61:59 amSJU - RDU
1 stop12h 23mFrontier
Deal found 9/18$243
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:15 pmRDU - SJU
1 stop10h 47mMultiple Airlines
Sat 11/17:30 amSJU - RDU
2 stops15h 28mMultiple Airlines
Deal found 9/18$244
This Trip.com deal was found by Cheapflights users on 9/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:00 pmRDU - SJU
Nonstop3h 23mJetBlue
Tue 10/284:05 amSJU - RDU
1 stop7h 42mJetBlue
Deal found 9/18$246
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:45 amRDU - SJU
2 stops27h 07mMultiple Airlines
Sat 10/44:51 pmSJU - RDU
1 stop15h 23mMultiple Airlines
Deal found 9/17$247

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 September 19, 2025.
Use the filters below to find and compare flights from Raleigh to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Raleigh

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 10/2

4:20 pm-7:53 pm

Nonstop3h 33m

San Juan Luis Munoz Marin Intl

Sun 10/5

11:45 am-3:24 pm

Nonstop3h 39m

$252

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 10/24

4:20 pm-7:50 pm

Nonstop3h 30m

San Juan Luis Munoz Marin Intl

Tue 10/28

4:05 am-11:47 am

1 stop7h 42m

$254

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 10/18

1:45 pm-11:45 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Sat 10/25

5:45 am-5:10 pm

1 stop11h 25m

$261

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 11/3

2:17 pm-6:40 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Fri 11/7

5:05 am-11:47 am

1 stop7h 42m

$269

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 10/20

6:00 am-12:34 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Tue 10/21

1:05 am-8:27 am

1 stop7h 22m

$271

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 11/19

12:35 pm-10:04 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Mon 11/24

5:21 pm-11:51 pm

1 stop7h 30m

$281

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 10/6

3:59 pm-9:59 pm

1 stop6h 00m

San Juan Luis Munoz Marin Intl

Sat 10/11

7:15 am-2:54 pm

1 stop7h 39m

$296

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 10/21

6:15 am-2:44 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Wed 10/22

1:05 am-8:27 am

1 stop7h 22m

$315

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 11/16

2:17 pm-6:40 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Sat 11/22

9:54 am-12:34 pm

Nonstop3h 40m

$322

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 11/19

12:35 pm-10:04 pm

1 stop8h 29m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 18 results
1
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The best insider tips for Raleigh to San Juan Luis Munoz Marin Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to San Juan Luis Munoz Marin Intl Airport trip
Airports
RDU

RDU offers free Wi-Fi throughout the terminals. Connect to the 'RDU Free WiFi' network for seamless browsing before your flight.

Read more about RDUby John Walton
SJU

For a quick ride from SJU, Uber is available outside arrivals. It's often cheaper than taxis and handles payments through the app.

Read more about SJUby Brandon Schultz
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Raleigh to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Raleigh 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 Raleigh to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Luis Munoz Marin Intl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Raleigh 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.

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

Find hourly flight availability from Raleigh to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

It’s optimal to fly from Raleigh to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Luis Munoz Marin Intl. Price data was last updated on September 14, 2025.

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

How much does it cost to fly round-trip from Raleigh to San Juan Luis Munoz Marin Intl Airport?

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 September 19, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Raleigh 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,911 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,171 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    If you book a flight to San Juan Luis Munoz Marin Intl from Raleigh, you will be flying from Raleigh-Durham, which is the city’s only airport. Raleigh-Durham (RDU) is located 11.1 mi from the center of Raleigh. There are 0 flights from Raleigh-Durham to San Juan Luis Munoz Marin Intl per day from 7 different airlines.

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

    JetBlue, Southwest, and United Airlines can get you from Raleigh to San Juan Luis Munoz Marin Intl Airport in just under 3h 33m. Your travel time can differ by up to 6h 27m. There are 1435 mi between Raleigh and San Juan Luis Munoz Marin Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $78, Spirit Airlines will fly you from Raleigh to San Juan Luis Munoz Marin Intl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $100 and $184, respectively. Spirit Airlines is priced at 75% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Raleigh to San Juan Luis Munoz Marin Intl Airport?

    While on average a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport is generally $255, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Raleigh-Durham - San Juan Luis Munoz Marin Intl), you can expect to pay $205 for that flight.

  • Where are the most common layover locations when flying from Raleigh to San Juan Luis Munoz Marin Intl Airport?

    Of the flights from Raleigh to San Juan Luis Munoz Marin Intl Airport that have layovers, most of them stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be accessed by traveling approximately 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers can book a car rental at Orlando for about $27 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Raleigh to San Juan Luis Munoz Marin Intl Airport flights?

    Raleigh to San Juan Luis Munoz Marin Intl Airport flights have a layover in Charlotte least often.

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

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

  • How can I find direct flights from Raleigh 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 Raleigh to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Raleigh 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

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
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Top 7 airlines flying from Raleigh to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Raleigh 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$246FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$254FlexibilityNo cancel feeOn-time62%
DeltaCheapest$184Average$354FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$199Average$369FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$220Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$272Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$438FlexibilityNo cancel feeOn-time63%

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