Luis Munoz Marin Intl

$140+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Jul 15 — Jul 221
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Find cheap flights from Raleigh to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Raleigh-Durham to San Juan Luis Munoz Marin Intl are usually found in February or October, booked 40 days in advance, depart on a Saturday or Wednesday and return on a Sunday

Cheap 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 June 15, 2026.

This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Tue 8/258:00 am
SJU
-
RDU
Nonstop3h 43m
Frontier
Deal found 6/11$268
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Tue 8/113:36 pm
SJU
-
RDU
Nonstop3h 52m
Frontier
Deal found 6/9$271
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Tue 7/143:00 pm
SJU
-
RDU
1 stop17h 48m
Frontier
Deal found 6/10$273
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 8/48:23 pm
RDU
-
SJU
Nonstop3h 44m
Multiple Airlines
Wed 8/126:00 am
SJU
-
RDU
2 stops27h 45m
Multiple Airlines
Deal found 6/13$277
This eDestinos deal was found by Cheapflights users on 6/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Mon 7/1310:48 pm
SJU
-
RDU
1 stop10h 37m
Frontier
Deal found 6/13$278
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:09 am
RDU
-
SJU
1 stop9h 27m
Multiple Airlines
Thu 8/277:00 am
SJU
-
RDU
1 stop15h 28m
Multiple Airlines
Deal found 6/11$279
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:09 am
RDU
-
SJU
1 stop9h 27m
Frontier
Thu 8/278:00 am
SJU
-
RDU
Nonstop3h 43m
Frontier
Deal found 6/11$280
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 8/48:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Thu 8/136:00 am
SJU
-
RDU
1 stop11h 15m
Frontier
Deal found 6/13$282
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:03 pm
RDU
-
SJU
1 stop10h 54m
Multiple Airlines
Tue 8/258:00 am
SJU
-
RDU
Nonstop3h 43m
Multiple Airlines
Deal found 6/11$283
This Frontier deal was found by Cheapflights users on 6/13. 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.
Tue 7/78:23 pm
RDU
-
SJU
Nonstop3h 44m
Frontier
Tue 7/143:36 pm
SJU
-
RDU
Nonstop3h 52m
Frontier
Deal found 6/13$284
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:35 pm
RDU
-
SJU
1 stop19h 54m
Multiple Airlines
Wed 8/266:41 pm
SJU
-
RDU
1 stop12h 40m
Multiple Airlines
Deal found 6/11$285

Find 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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$268
(Super.com)

One-way from

$140
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$376

Good round-trip deal

$355 or less

Good one-way deal

$157 or less
Provider with most accurate pricing for Raleigh-Durham-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Raleigh-Durham-San Juan Luis Munoz Marin Intl flights.
From Raleigh-Durham to San Juan Luis Munoz Marin Intl
One-way flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl.

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 June 15, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 11/7

5:35 pm-9:57 pm

Nonstop3h 22m

San Juan Luis Munoz Marin Intl

Thu 11/12

2:00 pm-4:40 pm

Nonstop3h 40m

$317

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 8/21

2:40 pm-10:50 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Tue 8/25

8:20 am-6:10 pm

2 stops9h 50m

$326

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 10/9

1:20 pm-11:10 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Thu 10/15

6:30 am-5:25 pm

2 stops10h 55m

$349

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 8/23

1:55 pm-12:30 am

2 stops10h 35m

San Juan Luis Munoz Marin Intl

Fri 8/28

11:35 am-9:05 pm

2 stops9h 30m

$387

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 9/5

6:20 am-4:40 pm

2 stops10h 20m

San Juan Luis Munoz Marin Intl

Sat 9/12

10:25 am-8:45 pm

2 stops10h 20m

$402

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 10/1

6:15 am-4:30 pm

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Sat 10/17

5:30 am-1:00 pm

1 stop7h 30m

$402

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 8/13

1:15 pm-10:10 pm

2 stops8h 55m

San Juan Luis Munoz Marin Intl

Tue 8/18

8:20 am-6:10 pm

2 stops9h 50m

$449

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 8/14

1:15 pm-10:10 pm

2 stops8h 55m

San Juan Luis Munoz Marin Intl

Mon 8/17

6:30 am-4:10 pm

2 stops9h 40m

$459

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 12/4

2:20 pm-6:43 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Sat 12/12

11:45 am-2:25 pm

Nonstop3h 40m

$463

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 6/24

7:40 pm-11:17 pm

Nonstop3h 37m

San Juan Luis Munoz Marin Intl

Fri 7/3

11:50 am-8:33 pm

1 stop8h 43m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Raleigh 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 Raleigh to Luis Munoz Marin Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 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 Raleigh-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 Raleigh-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 Raleigh-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 Raleigh-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 Raleigh-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 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?

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 39 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, February is the cheapest month in which you can book a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport (average of $289). Flying from Raleigh to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $418). 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 June 15, 2026.

It’s optimal to fly from Raleigh to San Juan Luis Munoz Marin Intl Airport in the afternoon. By choosing this option you can save up to 9% 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 June 13, 2026.

Travelers seeking maximum savings on their Raleigh to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Friday 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?

The best insider tips for Raleigh to San Juan Luis Munoz Marin Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
John Walton

John Walton

Expert on RDU

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.

Brandon Schultz

Brandon Schultz

Expert on SJU

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.

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 June 15, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican 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.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 is 1 flight from Raleigh-Durham to San Juan Luis Munoz Marin Intl per day from 6 different airlines.

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

    JetBlue and Southwest can get you from Raleigh to San Juan Luis Munoz Marin Intl Airport in just under 3h 22m. Your travel time can differ by up to 4h 48m. 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 $134, Frontier will fly you from Raleigh to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $151 and $220, respectively. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Raleigh to San Juan Luis Munoz Marin Intl Airport one-way?

    One-way options have recently been found by users for as low as $81 on Frontier. Other airlines that offer cheap prices include JetBlue from $130 and United Airlines from $130 one-way.

  • What are the most reliable airlines from Raleigh to San Juan Luis Munoz Marin Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Raleigh to San Juan Luis Munoz Marin Intl Airport on time: JetBlue (91%), Frontier (69%), Delta (50%).

  • 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 $307, our data shows the cheapest flight currently is $112. When looking at the most popular route, (Raleigh-Durham - San Juan Luis Munoz Marin Intl), you can expect to pay $277 for that flight.

  • 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, February is the cheapest month in which you can book a flight from Raleigh to San Juan Luis Munoz Marin Intl Airport (average of $289). Flying from Raleigh to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $418). 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
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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Top 6 airlines flying from Raleigh to Luis Munoz Marin Intl

Discover the top 6 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$301FlexibilityNo cancel feeOn-time62%
DeltaCheapest$151Average$297FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$380FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$252Average$325FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$281Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$400FlexibilityNo cancel feeOn-time63%

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