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Cheap Flights from Durham (RDU) to San Juan (SJUA)

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Flight deals from Raleigh / Durham to San Juan

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham to San Juan? Find the lowest prices on one-way and return tickets right here.
San Juan.$328 per passenger.Departing Thu, 21 Aug, returning Fri, 22 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Thu, 21 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 22 Aug, arriving in Raleigh / Durham.Price includes taxes and charges.From $328, select.
San Juan.$328 per passenger.Departing Thu, 2 Oct, returning Sun, 5 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Thu, 2 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 5 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From $328, select.
San Juan.$328 per passenger.Departing Tue, 2 Sep, returning Sun, 7 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Tue, 2 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 7 Sep, arriving in Raleigh / Durham.Price includes taxes and charges.From $328, select.
San Juan.$330 per passenger.Departing Fri, 26 Sep, returning Fri, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Fri, 26 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 3 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From $330, select.
San Juan.$330 per passenger.Departing Thu, 28 Aug, returning Tue, 2 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Thu, 28 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 2 Sep, arriving in Raleigh / Durham.Price includes taxes and charges.From $330, select.
San Juan.$336 per passenger.Departing Wed, 6 Aug, returning Wed, 13 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Wed, 6 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 13 Aug, arriving in Raleigh / Durham.Price includes taxes and charges.From $336, select.
San Juan.$336 per passenger.Departing Mon, 30 Jun, returning Fri, 4 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Mon, 30 Jun, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 4 Jul, arriving in Raleigh / Durham.Price includes taxes and charges.From $336, select.
San Juan.$349 per passenger.Departing Sat, 21 Jun, returning Wed, 25 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Sat, 21 Jun, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 25 Jun, arriving in Raleigh / Durham.Price includes taxes and charges.From $349, select.

Find the cheapest month to fly from Raleigh / Durham to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to San Juan flights are currently cheapest in August.
Jun
from $349
Jul
from $349
Aug
from $328
Sep
from $328
Oct
from $328
Nov
from $479
Dec
from $473
Jan
from $937
Feb
from $787
Mar
from $734
Apr
Find prices
May
Find prices

Direct flights from Raleigh / Durham to San Juan

Alternative Raleigh / Durham to San Juan routes

Looking for the cheapest, fastest or easiest route from Raleigh / Durham to San Juan? You could fly into the following airports instead.

Durham to San Juan: Flight information

The things to know before you go.
Cheapest flight found$328
Cheapest month to flyAugust
Average flight time3 hrs, 29 mins
Most popular airlinejetBlue
Average flights per week12

Finding cheap flights from Raleigh / Durham to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Raleigh / Durham to San Juan is $328. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 29 minutes is the average flight time from Raleigh / Durham to San Juan.
jetBlue, Frontier Airlines and Delta fly direct from Raleigh / Durham to San Juan.
As of June 2025, there are 12 flights per week flying from Raleigh / Durham to San Juan.
The cheapest month to fly from Raleigh / Durham to San Juan is usually June 2025.
If you're flying from Raleigh / Durham Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from $328.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to San Juan on Thursday, 21 August 2025.
Yes – the average flight time is 3 hours and 29 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Frontier Airlines offers the cheapest flight tickets to San Juan.

Travelling from Raleigh-Durham International Airport (RDU) to San Juan: what you need to know

  • Approximately 3 hours 40 minutes is how long you'll be travelling on a direct flight from Raleigh-Durham International Airport to San Juan.

  • Durham (the location of Raleigh-Durham International Airport) and San Juan follow the same timezone — UTC-4.

  • Raleigh-Durham International Airport (RDU) to Luis Munoz Marin International Airport (SJU) is the most traveled route, with eight flights a week to choose from. You can travel from RDU to SJU at 06:00 with JetBlue Airways.

  • Leave plenty of time to catch your RDU to San Juan flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Heading away during a peak period like school or public holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • You can book a direct Raleigh-Durham International Airport to San Juan ticket. Start your trip at RDU and touch down at Luis Munoz Marin International Airport (SJU).

  • Book your ticket with JetBlue Airways. This airline operates direct flights from Raleigh-Durham International Airport to San Juan.

  • A stopover is the ideal opportunity to break up your journey and possibly even tick a new city off your list. When browsing for flight tickets from RDU to San Juan, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Orlando International Airport (MCO)

  • RDU is around 16 kilometres from central Durham. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 1 hour 10 minutes.

  • Searching for a hotel close to RDU? If you're catching an early flight from Raleigh-Durham International Airport to San Juan, these accommodation options will put you moments from your departure gate:

  • 80.09% of flights leaving Raleigh-Durham International Airport touch down at their destination as planned. Given its strong performance rating, delays are unlikely when taking off from RDU.

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to San Juan

  • $164 is the cheapest price we've seen for a one-way Raleigh-Durham International Airport to San Juan flight. A return flight ticket right now is $328. Depending on when you want to go and the availability, these fares could change.

  • Get cheap flights from RDU to San Juan by booking one month ahead. Based on our research, that's the best time for landing a bargain.

  • Schedule your trip for May. That's the best month for scoring a bargain on Raleigh-Durham International Airport to San Juan tickets. If you're flexible with your dates, use the 'Whole month' tool to find the lowest price across every month.

  • Cut down on the time spent looking for cheap flights from RDU to San Juan by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Find a cheap flight from Raleigh-Durham International Airport to San Juan with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is around 8 kilometres from the centre of San Juan. If you're grabbing a cab or a ride-share, the drive takes roughly 10 minutes.

  • Travelling on public transport will take you around 55 minutes.

  • Book a hotel close to SJU if you're coming in on a late flight from Raleigh-Durham International Airport to San Juan. Settle into one of these options and make arrival day easier:

  • Go where the road takes you with a Luis Munoz Marin International Airport rental car. Pick up a set of wheels from Sixt, Ace Rent a Car or U-Save and chase adventure across San Juan and beyond.

  • Lock in the best possible rate by reserving your vehicle from Luis Munoz Marin International Airport around two weeks before your flight from RDU to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Central San Juan is around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Raleigh-Durham International Airport to San Juan has landed and you've made your way through the terminal, the drive should take about 15 minutes.

  • The trip will take about 1 hour on public transport.

  • Place the 'Do not disturb' sign on your door and relax at a hotel close to SIG. Here are a few options where you can kick back after your RDU to San Juan flight:

Best time to go to San Juan

  • Carefully consider your dates before booking your flight from Raleigh-Durham International Airport to San Juan. The city buzzes in peak season, but prices are usually higher and major attractions can get crowded. Plan your trip to San Juan in low season if you want a quieter vibe.

  • Lock in a Raleigh-Durham International Airport to San Juan flight ticket with a departure in September if you want to explore the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 33ºC (91ºF).

  • February sees average temperatures of between 20ºC (68ºF) and 28ºC (82ºF). Search for a cheap ticket from RDU to San Juan around that time if you like travelling in cooler conditions.

More about San Juan

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in San Juan right here. Check out these hotels once you've locked in your flight from Raleigh-Durham International Airport to San Juan:

  • There are so many things to do and see in this city it can be hard to know where to begin. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are highlights which should be on every San Juan itinerary.

Explore more of Puerto Rico

  • San Juan has plenty to offer, but there are so many other parts of Puerto Rico you should also see. About 113 kilometres west of San Juan, a visit to Aguadilla will keep your itinerary busy. Don't miss top attractions like El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • If you're eager to discover another great destination in Puerto Rico, consider Isabela, roughly 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are the start of reasons to visit.

Plan the rest of your trip from Durham to San Juan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.