Cheap Flights from Raleigh (RDU) to San Juan (SIG)

Popular airlines from Raleigh-Durham International Airport (RDU) to San Juan (SIG-Fernando Luis Ribas Dominicci)

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Flights from Raleigh (RDU) to San Juan (SIG)
Origin airport
Raleigh - Durham Intl.
Destination airport
Fernando Luis Ribas Dominicci
Distance
1430 mi

Raleigh to San Juan Flights

The cheapest times to fly from Raleigh to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to San Juan are during the month of . You can find some of the cheapest flights from Raleigh to San Juan with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Raleigh to San Juan

Sunday is one of the best days to book for cheap flights from Raleigh to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Raleigh to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from RDU to SIG last minute?
Being spontaneous is an amazing way to see the world, but it’s not always the best method to score a bargain plane ticket. Consider booking your Raleigh–Durham Airport to Fernando Luis Ribas Dominicci Airport (SIG) journey ahead of time instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you reach Fernando Luis Ribas Dominicci Airport (SIG)!
What airports do you fly into for San Juan from Raleigh?
With Fernando Luis Ribas Dominicci Airport (SIG), Luis Munoz Marin Intl. Airport (SJU) and Mercedita Airport (PSE) to pick from, flying from Raleigh to San Juan is a cinch. The city’s main hub, Fernando Luis Ribas Dominicci Airport (SIG), is around 1 mi southeast of the center. Along with ticket prices, consider factors like transportation options from the airport and the distance to your hotel before making your choice. Get your San Juan trip off to an awesome start by exploring San Juan Gate and La Fortaleza.
Can I change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
You can quickly make changes to your RDU to Fernando Luis Ribas Dominicci Airport flight by logging in to the Expedia Trips portal. Before making any amendments, look over the rules and restrictions in your itinerary to find out what the carrier will allow you to do and if charges apply. Some carriers have a change fee per person, on top of any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also swing by our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.

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