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)

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG) cost?
Get a cheap one-way flight or cheap return flight from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
The cheapest month to fly from RDU to SIG is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
To find the cheapest airline flying from RDU to SIG, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
There aren't any daily nonstop flights departing from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from RDU to SIG?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
To avoid possible delays on the Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG) last-minute?
Last-minute bookings from RDU to SIG are generally more expensive. For the best rates, start searching for flights early. That said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your trip.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Fernando Luis Ribas Dominicci Airport (SIG)?
If you reserved your RDU to SIG flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Fernando Luis Ribas Dominicci
Distance
1430 mi

Book with confidence

Book with confidence

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.

 

Raleigh to San Juan Flights

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*Available to One Key members.