HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$100+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SJU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 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 July 3, 2025.

Round-trip from

$141
(Priceline)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$260
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. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 6/30. 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.
Thu 9/186:25 amRDU - SJU
1 stop7h 46mFrontier
Sun 9/217:50 pmSJU - RDU
1 stop22h 40mFrontier
Deal found 6/30$141
This Priceline deal was found by Cheapflights users on 6/30. 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.
Mon 7/143:30 pmRDU - SJU
1 stop8h 29mMultiple Airlines
Thu 7/1710:14 pmSJU - RDU
1 stop10h 01mMultiple Airlines
Deal found 6/30$186
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Sun 7/209:10 amRDU - SJU
1 stop11h 59mSpirit Airlines
Thu 7/241:37 amSJU - RDU
1 stop14h 35mSpirit Airlines
Deal found 7/3$211

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 July 3, 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 9/18

6:25 am-2:11 pm

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Sun 9/21

7:50 pm-6:30 pm

1 stop22h 40m

$141

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 7/14

3:30 pm-11:59 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Thu 7/17

10:14 pm-8:15 am

1 stop10h 01m

$186

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sun 7/20

9:10 am-9:09 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

Thu 7/24

1:37 am-4:12 pm

1 stop14h 35m

$211

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Sat 8/30

7:00 pm-2:50 am

1 stop7h 50m

$100

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Mon 8/4

9:10 am-9:09 pm

1 stop11h 59m

$101

RaleighSan Juan

RDU - SJU

RDUSJU

Raleigh-Durham

Tue 7/15

9:19 am-7:35 pm

1 stop10h 16m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 27, 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 July 3, 2025.

It’s optimal to fly from Raleigh to San Juan in the evening. By choosing this option you can save up to 36% 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.

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 July 3, 2025.
See what other customers who have flown with JetBlue, Spirit Airlines, and Frontier 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.
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
JetBlue
7.3
Good
2,916 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
Spirit Airlines
6.3
Okay
8,086 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.
Frontier
5.9
Fair
3,286 reviews
JetBlue
7.3
Good
2,916 reviews

Entertainment

7.3

Crew

8.0

Food

6.7

Comfort

7.6

Boarding

7.5

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Geri,May 2025

RSW - BOS

Full flight, even thought I had priority A boarding, the flight was more than 1/2 full with Mint & Mosaic members, before I could board and get overhead space.

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 ($141), and Spirit Airlines ($211) offers the cheapest pricing from Raleigh to San Juan. Frontier is priced at 52% 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 $100. Users have also found prices from $101 and $161 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 $85. While the most popular route (Raleigh-Durham - San Juan Luis Munoz Marin Intl) can be booked for $212 on average our data indicates $232 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

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
Raleigh to Aguadilla flights
Greensboro to Luis Munoz Marin Intl flights
Knoxville to Luis Munoz Marin Intl flights
Asheville to Luis Munoz Marin Intl flights
Myrtle Beach to Luis Munoz Marin Intl flights
Wilmington to Luis Munoz Marin Intl flights
Fayetteville to Luis Munoz Marin Intl flights
Raleigh to Culebra flights
Blountville to Luis Munoz Marin Intl flights
Charlotte to Culebra flights
Raleigh to Ponce flights
New Bern to Luis Munoz Marin Intl flights
Charlotte to Vieques flights
Charlotte to Aguadilla flights
Charlotte to Ponce flights
Jacksonville to Luis Munoz Marin Intl flights
Myrtle Beach to Mayagüez flights
Charlotte to Mayagüez flights
Norfolk to Vieques flights
Norfolk to Aguadilla 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$244FlexibilityNo cancel feeOn-time65%
FrontierCheapest$93Average$263FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$179Average$366FlexibilityNo cancel feeOn-time62%
DeltaCheapest$184Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$384FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$459FlexibilityNo 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.