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

Frequently Asked Questions

• What are the cheapest flights from Raleigh to San Juan (RDU-SJU)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$93 on Cheapest nonstop routes (e.g. RDU to SJU on Tue, May 26), while Frontier Airlines offers Cheapest nonstop round-trips from US$211 departing on Sun, May 17 and returning on Sat, May 23.

• Which airlines offer flights from Raleigh to San Juan?

  At the moment, several airlines serve connecting flights from Raleigh to San Juan, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• How long is a flight from Raleigh to San Juan?

  It takes about 3 hours 32 minutes to fly from Raleigh to San Juan.

• When is the best time to book flights from Raleigh to San Juan?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Raleigh to San Juan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Raleigh to San Juan?

  To find best deals on flights from Raleigh to San Juan, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, May 26, with one-way flights priced at just US$93.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Juan travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Raleigh (RDU) to San Juan (SJU) the cheapest?

  The cheapest months to fly from Raleigh to San Juan is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Raleigh to San Juan on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Raleigh to San Juan on May 18, 2026 with Frontier Airlines, with prices starting at US$176.

• Which airports can I fly to for San Juan from Raleigh?

  You can land at any one of the following hubs in San Juan, with Raleigh-Durham International Airport to Luis Munoz Marin International Airport (RDU-SJU) is by far the most common option on this route: Fernando Luis Ribas Dominicci Airport (SIG) Luis Munoz Marin International Airport (SJU).

• Is there any time difference between Raleigh and San Juan?

  The time difference between San Juan and Raleigh is 1h.

• How do I change or cancel my ticket from Raleigh to San Juan?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.