$101 Cheap Flights from Raleigh (RDU) to San Juan (SJU)

View $101 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)

Cheap Flights from Raleigh to San Juan (RDU-SJU)

Prices were available within the past 7 days and start at $101 for one-way flights and $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jan 12 - Thu, Jan 15
RDU
Raleigh
SJU
San Juan
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 12 from Raleigh to San Juan, returning Thu, Jan 15, priced at $186 just found
Frontier Airlines
Sun, Nov 16 - Mon, Nov 24
RDU
Raleigh
SJU
San Juan
$189 Roundtrip, found 17 hours ago
$189
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sun, Nov 16 from Raleigh to San Juan, returning Mon, Nov 24, priced at $189 found 17 hours ago
Frontier Airlines
Thu, Nov 27 - Fri, Dec 12
RDU
Raleigh
SJU
San Juan
$193 Roundtrip, found 18 hours ago
$193
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Nov 27 from Raleigh to San Juan, returning Fri, Dec 12, priced at $193 found 18 hours ago
Frontier Airlines
Sun, Dec 7 - Fri, Dec 12
RDU
Raleigh
SJU
San Juan
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Raleigh to San Juan, returning Fri, Dec 12, priced at $193 just found
Frontier Airlines
Mon, Jan 12 - Sun, Jan 18
RDU
Raleigh
SJU
San Juan
$195 Roundtrip, found 6 hours ago
$195
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Raleigh to San Juan, returning Sun, Jan 18, priced at $195 found 6 hours ago
Frontier Airlines
Sun, Jan 18 - Thu, Jan 22
RDU
Raleigh
SJU
San Juan
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Jan 18 from Raleigh to San Juan, returning Thu, Jan 22, priced at $197 found 2 hours ago
JetBlue Airways
Sat, Jan 31 - Wed, Feb 4
RDU
Raleigh
SJU
San Juan
$282 Roundtrip, just found
$282
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Jan 31 from Raleigh to San Juan, returning Wed, Feb 4, priced at $282 just found
Delta
Sat, Mar 21 - Sat, Mar 28
RDU
Raleigh
SJU
San Juan
$282 Roundtrip, found 1 hour ago
$282
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Mar 21 from Raleigh to San Juan, returning Sat, Mar 28, priced at $282 found 1 hour ago
United
Mon, Dec 8 - Tue, Dec 9
RDU
Raleigh
SJU
San Juan
$286 Roundtrip, found 4 hours ago
$286
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Dec 8 from Raleigh to San Juan, returning Tue, Dec 9, priced at $286 found 4 hours ago
Southwest Airlines
Tue, Jan 27 - Wed, Jan 28
RDU
Raleigh
SJU
San Juan
$286 Roundtrip, found 9 hours ago
$286
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Jan 27 from Raleigh to San Juan, returning Wed, Jan 28, priced at $286 found 9 hours ago

Find the cheapest month to fly from Raleigh (RDU) to San Juan (SJU)

November is typically the cheapest month to fly

From $120 - $361 per traveler.

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $309
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $309

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU) cost?
Secure a cheap one-way flight from $101 or cheap return flight from $186 from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
Flying in January is a good way to save, as it's the cheapest month for flights between RDU and SJU. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
When flying out of Raleigh - Durham Intl. Airport (RDU), you can get on a nonstop flight to Luis Munoz Marin Intl. Airport (SJU) with JetBlue Airways.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
To find the cheapest airline flying from RDU to SJU, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
On average, there's only 1 direct flight taking off from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU) each day. If this doesn't work with your itinerary, think about flights with layovers. Just customize your search results on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
Flights between RDU and SJU are busiest at 11 AM. If you want a quieter trip and potentially cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from RDU to SJU?
Jet off on a Wednesday if you're after the best selection of flights from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU).
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
Catch the earliest flight at around 11:38AM UTC-5, leaving from Raleigh - Durham Intl. Airport (RDU). You'll be in the air for around 3h 27m, touching down at Luis Munoz Marin Intl. Airport (SJU) at approximately 4:05PM UTC-4.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
The average flight time from RDU to SJU is 3 hours and 27 minutes, covering a total distance of 1,450 mi.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
To arrive at Luis Munoz Marin Intl. Airport (SJU) on time, opt for a flight that leaves from Raleigh - Durham Intl. Airport (RDU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Juan from Raleigh - Durham Intl. Airport (RDU)?
If you've booked a direct flight from Raleigh - Durham Intl. Airport (RDU) to San Juan, Luis Munoz Marin Intl. Airport (SJU) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Booking your ticket from RDU to SJU right before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Luis Munoz Marin Intl. Airport (SJU)?
Typically, you're able to reschedule or cancel your RDU to SJU flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$186
Distance
1435 mi
Average flight time
2 hours 23 mins

Book with confidence

Raleigh to San Juan Flights

The cheapest times to fly from Raleigh to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to San Juan are during the month of January. You can find some of the cheapest flights from Raleigh to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to San Juan

Sunday is one of the best days to book for cheap flights from Raleigh to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $101 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to San Juan Flights

Explore a world of travel with Expedia

*Available to One Key members.