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$102+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to San Juan are usually found in September or October, booked 77 days in advance, depart on a Monday or Friday and return on a Friday

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 June 12, 2025.

Round-trip from

$167
(Kiwi.com)

One-way from

$102
(Priceline)

Popular in

December

Cheapest in

September

Average price

$301
From Raleigh-Durham to San Juan
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One-way flight from Raleigh-Durham to San Juan
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Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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 10/316:10 amRDU - SJU
1 stop8h 05mFrontier
Mon 11/33:59 amSJU - RDU
1 stop10h 04mFrontier
Deal found 6/10$167
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/309:20 amRDU - SJU
1 stop9h 59mMultiple Airlines
Tue 8/1212:59 amSJU - RDU
1 stop12h 25mMultiple Airlines
Deal found 6/10$189
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:00 amRDU - SJU
1 stop5h 45mJetBlue
Mon 10/2011:55 amSJU - RDU
Nonstop3h 39mJetBlue
Deal found 6/11$280
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/138:24 pmRDU - SJU
2 stops29h 11mSpirit Airlines
Sat 7/194:30 pmSJU - RDU
2 stops23h 42mSpirit Airlines
Deal found 6/11$288
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:20 amRDU - SJU
1 stop6h 20mDelta
Thu 12/113:30 pmSJU - RDU
1 stop8h 09mDelta
Deal found 6/10$321

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 June 12, 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

Fri 10/31

6:10 am-2:15 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Mon 11/3

3:59 am-1:03 pm

1 stop10h 04m

$167

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 6/30

9:20 am-7:19 pm

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Tue 8/12

12:59 am-1:24 pm

1 stop12h 25m

$189

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 6/26

10:35 am-7:19 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Sun 6/29

8:24 pm-6:21 pm

2 stops21h 57m

$263

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 6/24

3:15 pm-6:51 pm

Nonstop3h 36m

San Juan Luis Munoz Marin Intl

Wed 8/6

10:45 am-2:25 pm

Nonstop3h 40m

$278

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 12/2

5:20 am-12:40 pm

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Thu 12/11

3:30 pm-10:39 pm

1 stop8h 09m

$321

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 7/15

8:00 am-2:39 am

1 stop18h 39m

$102

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 7/10

7:13 pm-11:00 pm

1 stop27h 47m

$120

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 7/1

5:44 pm-12:54 am

1 stop7h 10m

$123

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 9/9

6:00 am-6:14 pm

2 stops12h 14m

$144

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 8/12

11:40 am-10:45 pm

2 stops11h 05m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 results
1
2

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 June 9, 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, September is the cheapest month in which you can book a flight from Raleigh to San Juan (average of $254). Flying from Raleigh to San Juan in June is currently the most expensive (average of $339). 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 June 12, 2025.

It’s optimal to fly from Raleigh to San Juan in the evening. By choosing this option you can save up to 37% 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 Monday evenings when fares are most often at their lowest. Saturday mornings 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 June 12, 2025.

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

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 June 12, 2025.
See what other customers who have flown with Southwest, United Airlines and JetBlue from Raleigh to San Juan have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Overall

8.0

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    According to our current data, Frontier ($167), JetBlue ($280), and Spirit Airlines ($288) offers the cheapest pricing from Raleigh to San Juan. Frontier is priced at 43% 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 Frontier. According to our data, you can fly for as low as $102. Users have also found prices from $120 and $123 on Spirit Airlines and JetBlue, respectively.

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

    Looking at all options, your cheapest flight can be booked for $87. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $206 on average our data indicates $218 when flying from Raleigh to San Juan.

  • Where are the most common layover locations when flying from Raleigh to San Juan?

    Most of the time, Raleigh to San Juan flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    Orlando travelers tend to visit Walt Disney World Resort, Universal Orlando Resort, and International Drive more than anywhere else. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be accessed by traveling approximately 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers can rent a car at Orlando for an average daily rate of $24 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Raleigh to San Juan flights?

    Flights departing from Raleigh and landing in San Juan layover in Charlotte least frequently.

  • 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, September is the cheapest month in which you can book a flight from Raleigh to San Juan (average of $254). Flying from Raleigh to San Juan in June is currently the most expensive (average of $339). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$93Average$261FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$239FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$178Average$363FlexibilityNo cancel feeOn-time62%
DeltaCheapest$184Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$387FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$466FlexibilityNo cancel feeOn-time63%

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