HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$129+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to San Juan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Raleigh-Durham to San Juan are usually found in February or October, booked 67 days in advance, depart on a Monday or Friday and return on a Sunday

Find 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 October 14, 2025.

This Frontier deal was found by Cheapflights users on 10/12. 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.
Thu 11/66:00 amRDU - SJU
2 stops18h 32mFrontier
Fri 11/214:30 pmSJU - RDU
Nonstop3h 39mFrontier
Deal found 10/12$231
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/286:10 amRDU - SJU
2 stops19h 34mMultiple Airlines
Wed 10/295:51 pmSJU - RDU
1 stop14h 23mMultiple Airlines
Deal found 10/13$233
This Frontier deal was found by Cheapflights users on 10/13. 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.
Mon 10/271:51 pmRDU - SJU
1 stop6h 05mFrontier
Sat 11/13:31 pmSJU - RDU
1 stop7h 27mFrontier
Deal found 10/13$234
This Frontier deal was found by Cheapflights users on 10/12. 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.
Sun 10/266:15 amRDU - SJU
1 stop7h 54mFrontier
Wed 10/295:51 pmSJU - RDU
2 stops24h 11mFrontier
Deal found 10/12$235
This Frontier deal was found by Cheapflights users on 10/12. 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 11/256:00 amRDU - SJU
1 stop8h 00mFrontier
Fri 12/54:20 pmSJU - RDU
Nonstop3h 52mFrontier
Deal found 10/12$236
This Frontier deal was found by Cheapflights users on 10/12. 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.
Mon 11/39:35 pmRDU - SJU
1 stop12h 44mFrontier
Thu 11/134:31 pmSJU - RDU
2 stops16h 05mFrontier
Deal found 10/12$237
This Frontier deal was found by Cheapflights users on 10/12. 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.
Sun 11/163:55 pmRDU - SJU
1 stop8h 37mFrontier
Sat 11/224:30 pmSJU - RDU
Nonstop3h 39mFrontier
Deal found 10/12$238
This Frontier deal was found by Cheapflights users on 10/12. 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.
Mon 11/1010:06 pmRDU - SJU
2 stops18h 48mFrontier
Thu 11/206:05 amSJU - RDU
Nonstop3h 39mFrontier
Deal found 10/12$239
This Frontier deal was found by Cheapflights users on 10/12. 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 12/58:07 pmRDU - SJU
Nonstop3h 21mFrontier
Mon 12/153:59 pmSJU - RDU
1 stop8h 34mFrontier
Deal found 10/12$241
This Priceline deal was found by Cheapflights users on 10/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:53 amRDU - SJU
1 stop15h 55mJetBlue
Wed 11/198:05 amSJU - RDU
1 stop9h 10mJetBlue
Deal found 10/13$242
This Frontier deal was found by Cheapflights users on 10/12. 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.
Sun 12/78:07 pmRDU - SJU
Nonstop3h 21mFrontier
Thu 1/82:30 pmSJU - RDU
Nonstop3h 52mFrontier
Deal found 10/12$243

Cheap 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 October 14, 2025.

Round-trip from

$231
(Frontier)

One-way from

$129
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$300
From Raleigh-Durham to San Juan
Search Deals
One-way flight from Raleigh-Durham to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 14, 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

Thu 12/11

6:00 am-3:22 pm

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Tue 12/16

10:00 am-4:15 pm

1 stop7h 15m

$242

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 1/25

11:20 am-3:47 pm

Nonstop3h 27m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:45 pm-9:30 pm

1 stop7h 45m

$258

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 12/19

7:15 am-6:54 pm

1 stop10h 39m

San Juan Luis Munoz Marin Intl

Sat 12/27

1:59 am-8:59 am

1 stop8h 00m

$260

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 10/27

7:22 am-4:33 pm

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Thu 10/30

5:43 pm-12:17 am

1 stop6h 34m

$261

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 11/15

2:17 pm-6:40 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Wed 11/19

8:05 am-4:15 pm

1 stop9h 10m

$262

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 11/9

2:17 pm-6:40 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Thu 11/20

7:00 am-9:36 am

Nonstop3h 36m

$282

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 2/9

6:00 am-9:00 pm

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Fri 2/13

5:50 pm-11:44 pm

1 stop6h 54m

$299

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 3/2

11:27 am-3:45 pm

Nonstop3h 18m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:00 am-11:56 am

1 stop6h 56m

$303

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 12/2

2:20 pm-6:43 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Tue 12/16

8:02 am-4:15 pm

1 stop9h 13m

$318

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 3/1

5:55 pm-1:12 am

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Fri 3/6

1:59 am-7:46 am

1 stop6h 47m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 21 results
1
2
3

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 October 10, 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 67 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 $95). Flying from Raleigh to San Juan in September is currently the most expensive (average of $190). 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 October 14, 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.

How much does it cost to fly round-trip from Raleigh to San Juan?

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 October 14, 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.
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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
7,973 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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
11,043 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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
2,905 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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
3,135 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

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 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 0 outbound flights 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 Delta fly from Raleigh to San Juan in about 8h 22m. The time it takes to get you to your destination can typically vary by up to 49m. 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 ($78), Frontier ($106), and Delta ($161) offers the cheapest pricing from Raleigh to San Juan. Spirit Airlines is priced at 76% 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 United Airlines. According to our data, you can fly for as low as $131. Users have also found prices from $137 and $146 on Frontier and Southwest, respectively.

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $241 on average, our data indicates $271 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 $95). Flying from Raleigh to San Juan in September is currently the most expensive (average of $190). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Raleigh to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Raleigh to Luis Munoz Marin Intl flights
Charlotte to Luis Munoz Marin Intl flights
Norfolk to Luis Munoz Marin Intl flights
Asheville to Luis Munoz Marin Intl flights
Greensboro to Luis Munoz Marin Intl flights
Knoxville to Luis Munoz Marin Intl flights
Raleigh to Aguadilla flights
Fayetteville to Luis Munoz Marin Intl flights
Wilmington to Luis Munoz Marin Intl flights
Myrtle Beach to Luis Munoz Marin Intl flights
Charlotte to Ponce flights
Blountville to Luis Munoz Marin Intl flights
Raleigh to Ponce flights
New Bern to Luis Munoz Marin Intl flights
Jacksonville to Luis Munoz Marin Intl flights
Charlotte to Aguadilla flights
Norfolk to Vieques flights
Charlotte to Culebra flights
Charlotte to Mayagüez flights
Charlotte to Vieques flights
Norfolk to Aguadilla flights
Raleigh to Culebra flights
Myrtle Beach to Mayagüez flights
Myrtle Beach to Aguadilla flights
Greensboro to Aguadilla flights
Asheville to Vieques flights

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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$246FlexibilityNo cancel feeOn-time65%
FrontierCheapest$106Average$259FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$345FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$208Average$389FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$220Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$269Average$409FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$438FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.