Cheap Flights from Raleigh / Durham to San Juan

Compare Raleigh / Durham to San Juan flight deals

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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 Airport to San Juan? If you want to travel next month, return fares start from Rs74,270. Find the lowest prices on one-way and return tickets right here.

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 July.

Direct flights from Raleigh / Durham to San Juan

Durham to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs33,100
Cheapest month to flyJuly
Average flight time3 hrs, 29 mins
Most popular airlinejetBlue
Average flights per week13

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 Rs66,202. 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 2026, there are 13 flights per week flying from Raleigh / Durham to San Juan.
The cheapest month to fly from Raleigh / Durham to San Juan is usually August.
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 Rs66,202.
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, 6 August 2026.
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.

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

  • Expect to be travelling for 3 hours 40 minutes. That's the average duration of a direct flight from Raleigh-Durham International Airport to San Juan.

  • Raleigh-Durham International Airport is located in Durham. Based in the UTC-4 timezone, San Juan is one hour ahead of Durham.

  • There are seven services a week between Raleigh-Durham International Airport (RDU) and Luis Munoz Marin International Airport (SJU). This is the most popular flight route.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your RDU to San Juan flight.

  • Travelling over a peak time such as June? School holidays and other popular seasons can mean longer lines at check-in and security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

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

  • Well-known airlines that operate direct flights from Raleigh-Durham International Airport to San Juan include:

  • Stopovers are the perfect opportunity to break up your trip and perhaps even visit a new city. When searching for plane tickets from RDU to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Orlando International Airport (MCO)

  • RDU is about 16 kilometres from central Durham. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 45 minutes.

  • Planning to catch an early flight from Raleigh-Durham International Airport to San Juan? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near RDU:

  • 78% of flights that take off from Raleigh-Durham International Airport touch down at their destination on schedule.

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

  • The best price we've seen for a one-way Raleigh-Durham International Airport to San Juan flight is Rs33,100. The cheapest price for a return flight is Rs66,202. Keep in mind fares may change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to land cheap flights from RDU to San Juan if you book early. Airlines often have some excellent early bird rates.

  • The 'Whole month' tool will show you the cheapest tickets from Raleigh-Durham International Airport to San Juan throughout the entire month. It's a good way to snap up a bargain if your travel plans are flexible.

  • Cut down on the time spent looking for cheap flights from RDU to San Juan by setting up a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

  • Save on your flight from Raleigh-Durham International Airport to San Juan with the help of our filters. Choose your preferred times, airlines and number of stops, 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) to central San Juan takes about 20 minutes by car. The centre is roughly 11 kilometres away.

  • It'll take around 1 hour when travelling by public transport.

  • If you have a late flight from Raleigh-Durham International Airport to San Juan, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near SJU:

  • For the best deal, reserve your vehicle from Luis Munoz Marin International Airport around two weeks in advance of your flight from RDU to San Juan.

Best time to go to San Juan

  • It's time to figure out your travel dates for your flight from Raleigh-Durham International Airport to San Juan. March is the most popular month to travel to San Juan. If you want a more low-key vibe, go in December.

  • When booking your Raleigh-Durham International Airport to San Juan plane ticket, think about what kind of weather works for you. August is the warmest month in San Juan, with temperatures ranging from 24ºC to 32ºC.

  • February sees average temperatures of between 21ºC and 28ºC. Search for a cheap ticket from RDU to San Juan around that time if you want to travel when it's cooler.

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Raleigh-Durham International Airport to San Juan, explore our range of hotels including:

  • Esperanza Beach and Balneario El Escambron are just the start of the major attractions to put on your San Juan itinerary. Keep the sightseeing going at Escambron Green.

Explore more of Puerto Rico

  • San Juan has plenty going for it, but there are so many other corners of Puerto Rico just waiting to be discovered. About 113 kilometres west of San Juan, a visit to Aguadilla will keep your itinerary packed. Start with popular sights like Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

  • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. Start your sightseeing at Playa montones, Shore Island Beach and Guajataca Forest Reserve.

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