San Juan

$95+ Cheap flights from Raleigh (RDU) to San Juan

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
ene. 7 — ene. 141
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Cheapflights Tip: The best prices from Raleigh-Durham to San Juan are usually found in February or October, booked 77 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Raleigh to San Juan

Cheapest flights from Raleigh to San Juan
Explore the most affordable flight options available from Raleigh to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 8, 2025.

This eDestinos deal was found by Cheapflights users on 12/7. 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.
mar. 12/308:14 pmRDU - SJU
1 stop23h 13mFrontier
jue. 1/810:47 pmSJU - RDU
1 stop17h 03mFrontier
Deal found 12/7$174
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
mar. 12/306:14 pmRDU - SJU
1 stop7h 25mFrontier
mié. 1/73:28 pmSJU - RDU
1 stop24h 22mFrontier
Deal found 12/6$199
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
sáb. 12/138:14 pmRDU - SJU
1 stop18h 45mFrontier
lun. 12/229:37 pmSJU - RDU
1 stop11h 37mFrontier
Deal found 12/6$208
This Mytrip deal was found by Cheapflights users on 12/7. 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.
lun. 12/85:50 pmRDU - SJU
1 stop5h 55mSpirit Airlines
jue. 12/114:10 amSJU - RDU
1 stop13h 45mSpirit Airlines
Deal found 12/7$217
This eDestinos deal was found by Cheapflights users on 12/7. 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.
mié. 12/108:14 pmRDU - SJU
1 stop18h 45mFrontier
lun. 12/153:55 amSJU - RDU
1 stop13h 49mFrontier
Deal found 12/7$220
This Trip.com deal was found by Cheapflights users on 12/7. 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.
lun. 12/85:50 pmRDU - SJU
1 stop5h 55mMultiple Airlines
mié. 12/103:55 amSJU - RDU
1 stop7h 36mMultiple Airlines
Deal found 12/7$225
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
sáb. 12/138:14 pmRDU - SJU
1 stop18h 45mFrontier
jue. 12/184:21 pmSJU - RDU
1 stop8h 52mFrontier
Deal found 12/6$226
This Frontier deal was found by Cheapflights users on 12/8. 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.
lun. 12/153:03 pmRDU - SJU
1 stop7h 53mFrontier
lun. 12/229:37 pmSJU - RDU
1 stop11h 37mFrontier
Deal found 12/8$231
This Frontier deal was found by Cheapflights users on 12/8. 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.
dom. 12/143:47 pmRDU - SJU
Nonstop3h 21mFrontier
lun. 12/229:37 pmSJU - RDU
1 stop11h 37mFrontier
Deal found 12/8$232
This Justfly.com deal was found by Cheapflights users on 12/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:50 pmRDU - SJU
1 stop5h 55mMultiple Airlines
mié. 12/104:31 pmSJU - RDU
1 stop8h 41mMultiple Airlines
Deal found 12/5$235

Find flight deals from Raleigh to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to San Juan (PR1). 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 diciembre 8, 2025.

Round-trip from

$173
(Super.com)

One-way from

$95
(Super.com)

Popular in

December

Cheapest in

February

Average price

$392
From Raleigh-Durham to San Juan
One-way flight from Raleigh-Durham to San Juan
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to San Juan 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 diciembre 8, 2025.
Use the filters below to find and compare flights from Raleigh to San Juan that are best for you.

Fly from

Raleigh

Fly to

San Juan

Route

Depart

Return

Price

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

vie. 12/19

10:30 am-2:50 pm

Nonstop3h 20m

San Juan Luis Munoz Marin Intl

lun. 1/5

7:00 am-9:44 am

Nonstop3h 44m

$252

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

mar. 1/20

12:03 pm-4:30 pm

Nonstop3h 27m

San Juan Luis Munoz Marin Intl

vie. 2/13

7:56 am-10:40 am

Nonstop3h 44m

$267

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

mar. 2/10

6:00 am-9:00 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

sáb. 2/14

7:45 am-3:40 pm

1 stop8h 55m

$310

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

lun. 1/12

11:38 am-4:05 pm

Nonstop3h 27m

San Juan Luis Munoz Marin Intl

mié. 1/21

8:20 am-11:04 am

Nonstop3h 44m

$317

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

dom. 12/28

10:30 am-2:50 pm

Nonstop3h 20m

San Juan Luis Munoz Marin Intl

jue. 1/8

8:03 am-10:47 am

Nonstop3h 44m

$322

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

jue. 1/29

11:50 am-12:35 am

2 stops11h 45m

San Juan Luis Munoz Marin Intl

jue. 2/5

5:35 am-4:00 pm

2 stops11h 25m

$333

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

sáb. 2/14

10:40 am-2:58 pm

Nonstop3h 18m

San Juan Luis Munoz Marin Intl

sáb. 2/21

4:12 pm-6:55 pm

Nonstop3h 43m

$342

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

lun. 1/12

6:00 am-9:00 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

mié. 1/21

8:35 am-5:04 pm

1 stop9h 29m

$351

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

mié. 1/28

11:50 am-12:35 am

2 stops11h 45m

San Juan Luis Munoz Marin Intl

lun. 2/2

10:20 am-8:35 pm

2 stops11h 15m

$356

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

sáb. 12/13

3:30 pm-12:30 am

2 stops8h 00m

San Juan Luis Munoz Marin Intl

mar. 12/16

8:55 am-5:50 pm

2 stops9h 55m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 24 results
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Best time to book a flight from Raleigh to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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

How far ahead should I book a flight from Raleigh to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to San Juan. Price data was last updated on December 5, 2025.

The price you pay for your flight from Raleigh to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Raleigh to San Juan?

Currently, February is the cheapest month in which you can book a flight from Raleigh to San Juan (average of $99). Flying from Raleigh to San Juan in October is currently the most expensive (average of $214). 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 8, 2025.

It’s optimal to fly from Raleigh to San Juan in the evening. By choosing this option you can save up to 45% 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?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to San Juan flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Raleigh to San Juan

Explore weekly flight availability from Raleigh to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 8, 2025.

The most flights from RDU to PR1 are scheduled on a Sunday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Raleigh to San Juan delayed?

About 21% of weekly flights between Raleigh and San Juan have experienced delays in the past year, with the average delay time being 143 minutes.

What is the most punctual flight time for Raleigh to San Juan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Raleigh to San Juan flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 18% of flights being delayed.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated diciembre 8, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Raleigh to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Raleigh to San Juan. 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?

    For a flight from Raleigh to San Juan, you will be flying from Raleigh-Durham. Raleigh-Durham (RDU) is just 11.1 mi from the center of the city. Raleigh-Durham is the only Raleigh airport and it handles 1 outbound flight to San Juan per day. 7 airlines have flights to San Juan from Raleigh-Durham on a regular basis.

  • How long is the flight from Raleigh to San Juan?

    Airlines like JetBlue and United Airlines fly from Raleigh to San Juan in about 3h 20m. The time it takes to get you to your destination can typically vary by up to 10h 40m. Raleigh and San Juan are separated by a distance of 1435 mi. 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 to San Juan round-trip?

    According to our current data, Spirit Airlines ($73), Frontier ($99), and Delta ($156) offers the cheapest pricing from Raleigh to San Juan. Spirit Airlines is priced at 77% 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 one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $41. Users have also found prices from $58 and $116 on Frontier and United Airlines, respectively.

  • What are the cheapest flights from Raleigh to San Juan?

    Looking at all options, your cheapest flight can be booked for $65. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $167 on average, our data indicates $275 when flying from Raleigh to San Juan.

  • Can I find deals for flights from Raleigh to San Juan that include hotel bookings?

    Yes. In addition to deals on Raleigh to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to San Juan.

  • Can I find deals for business class flights from Raleigh to San Juan?

    Yes. Cheapflights offers flight deals from Raleigh to San Juan 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?

    Currently, February is the cheapest month in which you can book a flight from Raleigh to San Juan (average of $99). Flying from Raleigh to San Juan in October is currently the most expensive (average of $214). 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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Top 7 airlines flying from Raleigh to San Juan

Discover the top 7 airlines that operate flights from Raleigh to San Juan. 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 diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$236FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$264FlexibilityNo cancel feeOn-time62%
DeltaCheapest$156Average$330FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$215Average$577FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$247Average$346FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$272Average$415FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$431FlexibilityNo cancel feeOn-time63%

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