Menu

Cheap flights from Raleigh-Durham Intl (RDU) to San Juan (SIG)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Raleigh-Durham Intl to San Juan are usually found in August or July, booked 17 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
Raleigh-Durham Intl (RDU) to San Juan (SIG)

RDU - PR1
Price
$170 - $476
PR1
Temperature
82.4 - 89.6 °F
PR1
Rainfall
1.3 - 5.8 inches

Popular in

December

High demand for flights, 48% potential price rise

Cheapest in

August

Best time to find cheap flights, 32% potential price drop

Round-trip from

$170

From Raleigh-Durham Intl to San Juan

One-way from

$64

One-way flight from Raleigh-Durham Intl to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Raleigh-Durham Intl to San Juan?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 32% when planning your travel around this day of the week.

When is the cheapest time to fly from Raleigh-Durham Intl to San Juan (RDU - PR1)?

A simple way to save on the total cost of your ticket is to fly from Raleigh-Durham Intl to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

Cheap flights from Raleigh-Durham Intl to San Juan in December, January 2021

The best prices found for RDU to SIG flights for December, January
14 Jan - 17 Jan
$60pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
RDU
Raleigh Raleigh-Durham
14 Jan - 21 Jan
$63pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
RDU
Raleigh Raleigh-Durham
14 Dec - 18 Dec
$64pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
RDU
Raleigh Raleigh-Durham

Raleigh-Durham Intl to San Juan 2021 flight deals

Cheap flights to San Juan from Raleigh-Durham Intl found for this year
14 Dec - 18 Dec
$64pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
RDU
Raleigh Raleigh-Durham
14 Dec - 17 Dec
$77pp
RDU
Raleigh Raleigh-Durham
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham
10 Dec - 14 Dec
$81pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham

Non-stop flights to San Juan from Raleigh-Durham Intl

Save time with Raleigh-Durham Intl to San Juan direct flight deals
10 Dec - 14 Dec
$95pp
RDU
Raleigh Raleigh-Durham
Frontier
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham
10 Dec - 14 Dec
$117pp
RDU
Raleigh Raleigh-Durham
Frontier
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham
13 Dec - 20 Dec
$119pp
RDU
Raleigh Raleigh-Durham
Frontier
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham

Last minute flights from Raleigh-Durham Intl to San Juan

Late deals on round-trip flights to San Juan from Raleigh-Durham Intl, departing today and this week
10 Dec - 14 Dec
$81pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham
10 Dec - 14 Dec
$82pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
Non-Stop
RDU
Raleigh Raleigh-Durham
11 Dec - 13 Dec
$83pp
RDU
Raleigh Raleigh-Durham
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
RDU
Raleigh Raleigh-Durham

One-way flights to San Juan from Raleigh-Durham Intl

The cheapest one-way flights from Raleigh-Durham Intl to San Juan
4:21 am - 3:45 pm
Multiple Airlines
2 Stops
34h 24m
RDU - SJU
Multiple Airlines
$64
SmartFares
3:29 pm - 9:47 pm
Frontier
1 Stop
29h 18m
RDU - SJU
Frontier
$74
Kiwi.com
8:00 am - 6:28 am
Spirit Airlines
2 Stops
21h 28m
RDU - SJU
Spirit Airlines
$75
KAYAK

Related info for your journey

Useful info, stats and facts about Raleigh-Durham Intl to San Juan flights.

Flight FAQs

From Raleigh-Durham Intl to San Juan

Are flight prices decreasing from Raleigh-Durham Intl to San Juan due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Raleigh-Durham Intl and San Juan for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Raleigh Raleigh-Durham to San Juan to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Raleigh Raleigh-Durham to San Juan are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Raleigh Raleigh-Durham to San Juan have flexible cancellations due to COVID-19?

Frontier, Spirit Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Raleigh-Durham Intl to San Juan for under $100 on Cheapflights?

Yes, there are multiple flights from Raleigh-Durham Intl to San Juan for under $100. The cheapest flight booked recently is on Multiple Airlines for just $60, but on average you can expect to pay $80.

Are there nonstop flights from Raleigh-Durham Intl to San Juan for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Raleigh-Durham Intl to San Juan under $100. A good price for a nonstop flight from Raleigh-Durham Intl to San Juan is less than $156.

Are there last-minute flights available from Raleigh-Durham Intl to San Juan for under $100?

There are currently 20+ open flights from Raleigh-Durham Intl to San Juan within the next 7 days for less than $100.

Is Raleigh-Durham Intl weather warmer or cooler than San Juan?

We forecast the temperature to be around the 91 °F's in July, on average. The temperature in San Juan is generally colder than in Raleigh-Durham Intl. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Raleigh-Durham Intl to San Juan?

Departing from Raleigh-Durham Intl to San Juan will take you 3h 28m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Raleigh-Durham Intl to San Juan round-trip?

Frontier, at $77, was found to be the cheapest airline from Raleigh-Durham Intl to San Juan.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. These flights start at 69% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Raleigh-Durham Intl to San Juan one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $23. Frontier is not the only option available. At the moment, Spirit Airlines is another option, for $34.

Alternative routes for Raleigh-Durham Intl to San Juan

Destination information for San Juan

Things to know before you go. Useful info for your trip from Raleigh-Durham Intl to San Juan
Today's exchange rate
$1 = $1.00
Flight duration
3h 33m
Average temperature for December in San Juan
84.2 °F
Avg rainfall for December in San Juan
4.2 ″

Airports servicing Raleigh

Airports servicing San Juan

San Juan Isla Grande (SIG)
Luis Munoz Marin Intl (SJU)

Top 7 airlines from Raleigh-Durham Intl to San Juan

The chart below displays the airlines Cheapflights users traveling from Raleigh-Durham Intl to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Allegiant Air
$120 $235 No cancel fee 88%
Frontier
$97 $258 No cancel fee 62%
Spirit Airlines
$103 $302 No cancel fee 65%
United Airlines
$141 $330 No cancel fee 69%
Delta
$142 $351 No cancel fee N/A
JetBlue
$142 $380 No cancel fee 62%
American Airlines
$146 $445 No cancel fee 71%

Hourly flight availability from Raleigh-Durham Intl to San Juan

Afternoon Noon to 6 PM 100% of RDU to SIG departures
Early morning Midnight to 6 AM 0% of RDU to SIG departures
Morning 6 AM to noon 0% of RDU to SIG departures
Evening 6 PM to midnight 0% of RDU to SIG departures
Midnight
6 AM
Noon
6 PM
Home Caribbean Puerto Rico San Juan Cheap flights from Raleigh-Durham Intl to San Juan