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San Juan

$103+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to San Juan are usually found in September or May, booked 21 days in advance, depart on a Monday or Tuesday 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 April 22, 2025.

Round-trip from

$211
(Kiwi.com)

One-way from

$103
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$262
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. 14% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Frontier deal was found by Cheapflights users on 4/22. 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.
Sat 5/104:07 pmRDU - SJU
Nonstop3h 22mFrontier
Fri 5/1611:25 amSJU - RDU
Nonstop3h 42mFrontier
Deal found 4/22$196
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/149:15 pmRDU - SJU
Nonstop3h 25mMultiple Airlines
Thu 6/198:24 pmSJU - RDU
1 stop11h 56mMultiple Airlines
Deal found 4/22$219
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/85:05 pmRDU - SJU
1 stop5h 48mSpirit Airlines
Thu 6/198:24 pmSJU - RDU
1 stop11h 56mSpirit Airlines
Deal found 4/22$229
This JetBlue deal was found by Cheapflights users on 4/22. 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.
Fri 5/93:15 pmRDU - SJU
Nonstop3h 26mJetBlue
Tue 5/132:45 pmSJU - RDU
1 stop7h 35mJetBlue
Deal found 4/22$272
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:36 amRDU - SJU
1 stop9h 11mAmerican Airlines
Tue 9/231:55 pmSJU - RDU
1 stop5h 43mAmerican Airlines
Deal found 4/22$301
This Delta deal was found by Cheapflights users on 4/21. 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.
Fri 10/245:25 amRDU - SJU
1 stop6h 22mDelta
Wed 10/297:30 amSJU - RDU
1 stop6h 37mDelta
Deal found 4/21$311
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:30 amRDU - SJU
1 stop8h 14mUnited Airlines
Tue 5/61:05 amSJU - RDU
1 stop8h 05mUnited Airlines
Deal found 4/22$319

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 April 22, 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

Sat 5/10

4:07 pm-7:29 pm

Nonstop3h 22m

San Juan Luis Munoz Marin Intl

Fri 5/16

11:25 am-3:07 pm

Nonstop3h 42m

$196

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 6/14

9:15 pm-12:40 am

Nonstop3h 25m

San Juan Luis Munoz Marin Intl

Thu 6/19

8:24 pm-8:20 am

1 stop11h 56m

$219

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 6/8

5:05 pm-10:53 pm

1 stop5h 48m

San Juan Luis Munoz Marin Intl

Thu 6/19

8:24 pm-8:20 am

1 stop11h 56m

$229

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 5/9

3:15 pm-6:41 pm

Nonstop3h 26m

San Juan Luis Munoz Marin Intl

Tue 5/13

2:45 pm-10:20 pm

1 stop7h 35m

$272

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 9/17

5:36 am-2:47 pm

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Tue 9/23

1:55 pm-7:38 pm

1 stop5h 43m

$301

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 5/19

5:25 am-11:40 am

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Wed 5/28

5:43 pm-12:19 am

1 stop6h 36m

$311

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Fri 5/2

6:30 am-2:44 pm

1 stop8h 14m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:05 am-9:10 am

1 stop8h 05m

$319

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Wed 5/28

1:42 pm-5:04 pm

Nonstop3h 22m

$103

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Thu 5/8

5:05 pm-10:53 pm

1 stop5h 48m

$137

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 5/6

7:45 am-4:15 pm

1 stop8h 30m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 15 results
1
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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 April 18, 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 21 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 December is currently the most expensive (average of $336). 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 April 22, 2025.

It’s optimal to fly from Raleigh to San Juan in the evening. By choosing this option you can save up to 30% 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. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 22, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines 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
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,683 reviews
Southwest
8.0
Very good
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,923 reviews
Southwest
8.0
Very good
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Food

7.1

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

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

    According to our current data, Frontier ($211), Spirit Airlines ($229), and JetBlue ($272) offers the cheapest pricing from Raleigh to San Juan. Frontier is priced at 24% 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 $103. Users have also found prices from $137 and $143 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 $118. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $217 on average our data indicates $256 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 $26 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 December is currently the most expensive (average of $336). 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$93Average$255FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$246FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$175Average$358FlexibilityNo cancel feeOn-time62%
DeltaCheapest$184Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$464FlexibilityNo cancel feeOn-time63%

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