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San Juan

$122+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Fri 12/55:50 pmRDU - SJU
2 stops21h 05mMultiple Airlines
Wed 12/107:10 amSJU - RDU
1 stop13h 09mMultiple Airlines
Deal found 11/6$220
This eDestinos deal was found by Cheapflights users on 11/5. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:53 pmRDU - SJU
Nonstop3h 21mFrontier
Wed 12/104:31 pmSJU - RDU
1 stop8h 41mFrontier
Deal found 11/5$221
This Frontier deal was found by Cheapflights users on 11/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:47 pmRDU - SJU
Nonstop3h 21mFrontier
Sun 12/712:00 pmSJU - RDU
Nonstop3h 52mFrontier
Deal found 11/6$222
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:10 amRDU - SJU
1 stop17h 56mFrontier
Sat 12/2010:09 pmSJU - RDU
1 stop18h 03mFrontier
Deal found 11/5$223
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Tue 11/256:00 amRDU - SJU
2 stops10h 21mMultiple Airlines
Thu 11/276:05 amSJU - RDU
Nonstop3h 39mMultiple Airlines
Deal found 11/6$224
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 11/1710:06 pmRDU - SJU
2 stops18h 48mFrontier
Sat 11/224:30 pmSJU - RDU
Nonstop3h 39mFrontier
Deal found 11/6$225
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Wed 11/266:00 amRDU - SJU
2 stops10h 21mMultiple Airlines
Thu 11/276:05 amSJU - RDU
Nonstop3h 39mMultiple Airlines
Deal found 11/6$226
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:50 pmRDU - SJU
2 stops27h 59mFrontier
Sun 12/219:06 pmSJU - RDU
1 stop11h 30mFrontier
Deal found 11/5$227
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 11/172:14 pmRDU - SJU
1 stop12h 19mMultiple Airlines
Fri 11/214:30 pmSJU - RDU
Nonstop3h 39mMultiple Airlines
Deal found 11/6$229
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/72:59 pmRDU - SJU
1 stop17h 38mFrontier
Sat 12/137:10 amSJU - RDU
2 stops29h 58mFrontier
Deal found 11/4$231
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:47 pmRDU - SJU
Nonstop3h 21mMultiple Airlines
Fri 12/124:10 amSJU - RDU
2 stops21h 02mMultiple Airlines
Deal found 11/5$232
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Sat 11/228:04 pmRDU - SJU
Nonstop3h 23mFrontier
Mon 11/243:23 pmSJU - RDU
2 stops17h 52mFrontier
Deal found 11/6$234

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 November 6, 2025.

Round-trip from

$220
(Kiwi.com)

One-way from

$122
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$326
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 ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 6, 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

Tue 1/20

11:20 am-3:47 pm

Nonstop3h 27m

San Juan Luis Munoz Marin Intl

Fri 2/13

7:56 am-10:40 am

Nonstop3h 44m

$282

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 12/8

2:20 pm-6:43 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Tue 12/16

4:55 pm-10:17 pm

1 stop6h 22m

$294

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 12/8

2:20 pm-6:43 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Wed 12/17

10:45 am-1:25 pm

Nonstop3h 40m

$302

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 12/6

3:45 pm-10:09 pm

1 stop5h 24m

San Juan Luis Munoz Marin Intl

Thu 12/18

1:09 pm-10:10 pm

1 stop10h 01m

$314

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 12/9

5:19 pm-3:48 am

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Wed 12/17

10:45 am-1:25 pm

Nonstop3h 40m

$323

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 12/9

5:19 pm-3:48 am

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Tue 12/16

10:45 am-1:25 pm

Nonstop3h 40m

$323

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 12/10

11:00 am-9:30 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Thu 12/18

5:40 am-3:30 pm

2 stops10h 50m

$331

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 12/10

6:00 am-5:57 pm

1 stop10h 57m

San Juan Luis Munoz Marin Intl

Thu 12/18

1:09 pm-10:10 pm

1 stop10h 01m

$334

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 11/16

2:17 pm-6:40 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Wed 11/19

1:59 am-10:14 am

1 stop9h 15m

$338

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 12/8

2:20 pm-6:43 pm

Nonstop3h 23m

San Juan Luis Munoz Marin Intl

Sat 12/20

6:25 am-9:09 am

Nonstop3h 44m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 23 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 October 31, 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 $97). 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 November 6, 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 November 6, 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
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
2,907 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
3,116 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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 fly from Raleigh to San Juan in about 3h 27m. The time it takes to get you to your destination is usually consistent. Raleigh and San Juan are separated by a distance of 1435 mi. Most flights are nonstop.

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

    According to our current data, Spirit Airlines ($78), Frontier ($109), 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 flights from Raleigh to San Juan?

    Looking at all options, your cheapest flight can be booked for $139. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $193 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 $97). 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

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Alternative routes for Raleigh to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$246FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$262FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$348FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$211Average$389FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$220Average$355FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$272Average$412FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$435FlexibilityNo cancel feeOn-time63%

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